Merge from develop into feature/vnode

.travis.yml

@@ -13,7 +13,7 @@ branches:
 
 matrix:
   - os: linux
-    dist: bionic
+    dist: focal
     language: c
 
     git:
@@ -28,8 +28,6 @@ matrix:
           - build-essential
           - cmake
           - net-tools
-          - python-pip
-          - python-setuptools
           - python3-pip
           - python3-setuptools
           - valgrind
@@ -54,13 +52,19 @@ matrix:
           cd ${TRAVIS_BUILD_DIR}/debug
           make install > /dev/null || travis_terminate $?
 
-          pip install numpy
-          pip install --user ${TRAVIS_BUILD_DIR}/src/connector/python/linux/python2/
           pip3 install numpy
           pip3 install --user ${TRAVIS_BUILD_DIR}/src/connector/python/linux/python3/
 
           cd ${TRAVIS_BUILD_DIR}/tests
           ./test-all.sh smoke || travis_terminate $?
+          sleep 1
+
+          cd ${TRAVIS_BUILD_DIR}/tests/pytest
+          pkill -TERM -x taosd
+          fuser -k -n tcp 6030
+          sleep 1
+          ./crash_gen.sh -a -p -t 4 -s 25|| travis_terminate $?
+          sleep 1
 
           cd ${TRAVIS_BUILD_DIR}/tests/pytest
           ./valgrind-test.sh 2>&1 > mem-error-out.log
@@ -160,7 +164,7 @@ matrix:
 
     script:
       - cmake .. > /dev/null
-      - make > /dev/null
+      - make
 
   - os: linux
     dist: bionic

src/client/inc/tscUtil.h

@@ -87,6 +87,16 @@ typedef struct SVgroupTableInfo {
   SArray*       itemList;   //SArray<STableIdInfo>
 } SVgroupTableInfo;
 
+static FORCE_INLINE SQueryInfo* tscGetQueryInfoDetail(SSqlCmd* pCmd, int32_t subClauseIndex) {
+  assert(pCmd != NULL && subClauseIndex >= 0 && subClauseIndex < TSDB_MAX_UNION_CLAUSE);
+
+  if (pCmd->pQueryInfo == NULL || subClauseIndex >= pCmd->numOfClause) {
+    return NULL;
+  }
+
+  return pCmd->pQueryInfo[subClauseIndex];
+}
+
 int32_t tscCreateDataBlock(size_t initialSize, int32_t rowSize, int32_t startOffset, const char* name,
                            STableMeta* pTableMeta, STableDataBlocks** dataBlocks);
 void tscDestroyDataBlock(STableDataBlocks* pDataBlock);

src/client/src/tscAsync.c

@@ -477,7 +477,13 @@ void tscTableMetaCallBack(void *param, TAOS_RES *res, int code) {
           tscDebug("%p redo parse sql string to build submit block", pSql);
 
           pCmd->parseFinished = false;
-          if ((code = tsParseSql(pSql, true)) == TSDB_CODE_SUCCESS) {
+          code = tsParseSql(pSql, true);
+
+          if (code == TSDB_CODE_TSC_ACTION_IN_PROGRESS) {
+            return;
+          }
+
+          if (code == TSDB_CODE_SUCCESS) {
             /*
              * Discard previous built submit blocks, and then parse the sql string again and build up all submit blocks,
              * and send the required submit block according to index value in supporter to server.

src/client/src/tscFunctionImpl.c

@@ -340,13 +340,12 @@ bool stableQueryFunctChanged(int32_t funcId) {
  */
 void resetResultInfo(SResultInfo *pResInfo) { pResInfo->initialized = false; }
 
-void setResultInfoBuf(SResultInfo *pResInfo, int32_t size, bool superTable) {
+void setResultInfoBuf(SResultInfo *pResInfo, int32_t size, bool superTable, char* buf) {
   assert(pResInfo->interResultBuf == NULL);
   
   pResInfo->bufLen = size;
   pResInfo->superTableQ = superTable;
-  
-  pResInfo->interResultBuf = calloc(1, (size_t)size);
+  pResInfo->interResultBuf = buf;
 }
 
 // set the query flag to denote that query is completed

src/client/src/tscParseInsert.c

@@ -1310,6 +1310,11 @@ int tsParseSql(SSqlObj *pSql, bool initial) {
     tscDebug("%p resume to parse sql: %s", pSql, pCmd->curSql);
   }
   
+  ret = tscAllocPayload(&pSql->cmd, TSDB_DEFAULT_PAYLOAD_SIZE);
+  if (TSDB_CODE_SUCCESS != ret) {
+    return ret;
+  }
+
   if (tscIsInsertData(pSql->sqlstr)) {
     /*
      * Set the fp before parse the sql string, in case of getTableMeta failed, in which
@@ -1326,11 +1331,6 @@ int tsParseSql(SSqlObj *pSql, bool initial) {
     
     ret = tsParseInsertSql(pSql);
   } else {
-    ret = tscAllocPayload(&pSql->cmd, TSDB_DEFAULT_PAYLOAD_SIZE);
-    if (TSDB_CODE_SUCCESS != ret) {
-      return ret;
-    }
-
     SSqlInfo SQLInfo = qSQLParse(pSql->sqlstr);
     ret = tscToSQLCmd(pSql, &SQLInfo);
     SQLInfoDestroy(&SQLInfo);

src/client/src/tscUtil.c

@@ -1464,16 +1464,6 @@ STableMetaInfo* tscGetMetaInfo(SQueryInfo* pQueryInfo, int32_t tableIndex) {
   return pQueryInfo->pTableMetaInfo[tableIndex];
 }
 
-SQueryInfo* tscGetQueryInfoDetail(SSqlCmd* pCmd, int32_t subClauseIndex) {
-  assert(pCmd != NULL && subClauseIndex >= 0 && subClauseIndex < TSDB_MAX_UNION_CLAUSE);
-
-  if (pCmd->pQueryInfo == NULL || subClauseIndex >= pCmd->numOfClause) {
-    return NULL;
-  }
-
-  return pCmd->pQueryInfo[subClauseIndex];
-}
-
 int32_t tscGetQueryInfoDetailSafely(SSqlCmd* pCmd, int32_t subClauseIndex, SQueryInfo** pQueryInfo) {
   int32_t ret = TSDB_CODE_SUCCESS;
 
@@ -2097,7 +2087,7 @@ void tscTryQueryNextClause(SSqlObj* pSql, void (*queryFp)()) {
 }
 
 void tscGetResultColumnChr(SSqlRes* pRes, SFieldInfo* pFieldInfo, int32_t columnIndex) {
-  SFieldSupInfo* pInfo = taosArrayGet(pFieldInfo->pSupportInfo, columnIndex);//tscFieldInfoGetSupp(pFieldInfo, columnIndex);
+  SFieldSupInfo* pInfo = taosArrayGet(pFieldInfo->pSupportInfo, columnIndex);
   assert(pInfo->pSqlExpr != NULL);
 
   int32_t type = pInfo->pSqlExpr->resType;
@@ -2112,7 +2102,7 @@ void tscGetResultColumnChr(SSqlRes* pRes, SFieldInfo* pFieldInfo, int32_t column
     if (isNull(pData, type)) {
       pRes->tsrow[columnIndex] = NULL;
     } else {
-      pRes->tsrow[columnIndex] = pData + VARSTR_HEADER_SIZE;
+      pRes->tsrow[columnIndex] = ((tstr*)pData)->data;
     }
   
     if (realLen < pInfo->pSqlExpr->resBytes - VARSTR_HEADER_SIZE) { // todo refactor

src/common/src/tglobal.c

@@ -124,7 +124,7 @@ int32_t tsMnodeEqualVnodeNum = 4;
 int32_t  tsEnableHttpModule = 1;
 int32_t  tsRestRowLimit = 10240;
 uint16_t tsHttpPort = 6020;  // only tcp, range tcp[6020]
-int32_t  tsHttpCacheSessions = 100;
+int32_t  tsHttpCacheSessions = 1000;
 int32_t  tsHttpSessionExpire = 36000;
 int32_t  tsHttpMaxThreads = 2;
 int32_t  tsHttpEnableCompress = 0;

src/connector/jdbc/buildTDengine.sh

-#!/bin/bash
-ulimit -c unlimited
-
-function buildTDengine {    
-	cd /root/TDengine
-
-	git remote update
-	REMOTE_COMMIT=`git rev-parse --short remotes/origin/develop`
-	LOCAL_COMMIT=`git rev-parse --short @`
-
-	echo " LOCAL: $LOCAL_COMMIT"
-	echo "REMOTE: $REMOTE_COMMIT"
-	if [ "$LOCAL_COMMIT" == "$REMOTE_COMMIT" ]; then
-		echo "repo up-to-date"
-	else
-		echo "repo need to pull"        
-		git pull
-
-		LOCAL_COMMIT=`git rev-parse --short @`        
-		cd /root/TDengine/debug        
-		rm -rf /root/TDengine/debug/*        
-		cmake ..
-		make > /dev/null
-		make install
-	fi
-}
-
-function restartTaosd {
-	systemctl stop taosd
-	pkill -KILL -x taosd
-	sleep 10
-	
-    	logDir=`grep 'logDir' /etc/taos/taos.cfg|awk 'END{print $2}'`
-    	dataDir=`grep 'dataDir' /etc/taos/taos.cfg|awk '{print $2}'`    
-    
-	rm -rf $logDir/*
-	rm -rf $dataDir/*
-	
-	taosd 2>&1 > /dev/null &
-	sleep 10
-}
-
-buildTDengine
-restartTaosd

src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDNode.java

+package com.taosdata.jdbc.utils;
+
+import java.io.File;
+import java.util.*;
+import java.util.concurrent.TimeUnit;
+
+public class TDNode {
+    
+    private int index;
+    private int running;
+    private int deployed;
+    private boolean testCluster;    
+    private String path;    
+    private String cfgDir;
+    private String dataDir;
+    private String logDir;
+    private String cfgPath;
+
+    public TDNode(int index) {
+        this.index = index;
+        running = 0;
+        deployed = 0;
+        testCluster = false;            
+    }
+
+    public void setPath(String path) {
+        this.path = path;
+    }
+
+    public void setTestCluster(boolean testCluster) {
+        this.testCluster = testCluster;
+    }
+
+    public void searchTaosd(File dir, ArrayList<String> taosdPath) {        
+        File[] fileList = dir.listFiles();
+        
+        if(fileList == null || fileList.length == 0) {
+            return;
+        }
+        
+        for(File file : fileList) {
+            if(file.isFile()) {
+                if(file.getName().equals("taosd")) {                        
+                    taosdPath.add(file.getAbsolutePath());
+                }
+            } else {
+                searchTaosd(file, taosdPath);
+            } 
+        }        
+    }
+
+    public void start() {
+        String selfPath = System.getProperty("user.dir");
+        String binPath = "";
+        String projDir = selfPath + "/../../../../";
+
+        try {
+            ArrayList<String> taosdPath = new ArrayList<>();
+            
+            File dir = new File(projDir);
+            String realProjDir = dir.getCanonicalPath();
+            dir = new File(realProjDir);
+            System.out.println("project Dir: " + projDir);
+            searchTaosd(dir, taosdPath);
+                        
+            if(taosdPath.size() == 0) {
+                System.out.println("The project path doens't exist");
+                return;
+            } else {
+                for(String p : taosdPath) {
+                    if(!p.contains("packing")) {
+                        binPath = p;
+                    }
+                }
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        if(binPath.isEmpty()) {
+            System.out.println("taosd not found");
+            return;
+        } else {
+            System.out.println("taosd found in " + binPath);
+        }
+
+        if(this.deployed == 0) {
+            System.out.println("dnode" + index + "is not deployed");
+            return;
+        }
+
+        String cmd = "nohup " + binPath + " -c " + cfgDir + " > /dev/null 2>&1 & "; 
+        System.out.println("start taosd cmd: " + cmd);
+        
+        try{
+            Runtime.getRuntime().exec(cmd);  
+            TimeUnit.SECONDS.sleep(5);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        
+        this.running = 1;        
+    }
+
+    public void stop() {
+        String toBeKilled = "taosd";
+
+        if (this.running != 0) {
+            String killCmd = "pkill -kill -x " + toBeKilled;
+            String[] killCmds = {"sh", "-c", killCmd};
+            try {                                
+                Runtime.getRuntime().exec(killCmds).waitFor();
+
+                for(int port = 6030; port < 6041; port ++) {
+                    String fuserCmd = "fuser -k -n tcp " + port;
+                    Runtime.getRuntime().exec(fuserCmd).waitFor();
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+
+            this.running = 0;
+            System.out.println("dnode:" + this.index + " is stopped by pkill");
+        }
+    }
+
+    public void startIP() {
+        try{
+            String cmd = "sudo ifconfig lo:" + index + "192.168.0." + index + " up";        
+            Runtime.getRuntime().exec(cmd).waitFor();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void stopIP() {
+        try{
+            String cmd = "sudo ifconfig lo:" + index + "192.168.0." + index + " down";            
+            Runtime.getRuntime().exec(cmd).waitFor();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void setCfgConfig(String option, String value) {
+        try{
+            String cmd = "echo " + option + " " + value + " >> " + this.cfgPath;
+            String[] cmdLine = {"sh", "-c", cmd};
+            Process ps = Runtime.getRuntime().exec(cmdLine);
+            ps.waitFor();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public String getDnodeRootDir() {
+        String dnodeRootDir = this.path + "/sim/psim/dnode" + this.index;
+        return dnodeRootDir;
+    }
+
+    public String getDnodesRootDir() {
+        String dnodesRootDir = this.path + "/sim/psim" + this.index;
+        return dnodesRootDir;
+    }
+
+    public void deploy() {
+        this.logDir = this.path + "/sim/dnode" + this.index + "/log";
+        this.dataDir = this.path + "/sim/dnode" + this.index + "/data";
+        this.cfgDir = this.path + "/sim/dnode" + this.index + "/cfg";
+        this.cfgPath = this.path + "/sim/dnode" + this.index + "/cfg/taos.cfg";
+
+        try {        
+            String cmd = "rm -rf " + this.logDir;
+            Runtime.getRuntime().exec(cmd).waitFor();
+            
+            cmd = "rm -rf " + this.cfgDir;
+            Runtime.getRuntime().exec(cmd).waitFor();
+
+            cmd = "rm -rf " + this.dataDir;
+            Runtime.getRuntime().exec(cmd).waitFor();
+
+            cmd = "mkdir -p " + this.logDir;
+            Runtime.getRuntime().exec(cmd).waitFor();
+
+            cmd = "mkdir -p " + this.cfgDir;
+            Runtime.getRuntime().exec(cmd).waitFor();
+
+            cmd = "mkdir -p " + this.dataDir;
+            Runtime.getRuntime().exec(cmd).waitFor();
+
+            cmd = "touch " + this.cfgPath;
+            Runtime.getRuntime().exec(cmd).waitFor();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }        
+
+        if(this.testCluster) {
+            startIP();
+            setCfgConfig("masterIp", "192.168.0.1");
+            setCfgConfig("secondIp", "192.168.0.2");
+            setCfgConfig("publicIp", "192.168.0." + this.index);
+            setCfgConfig("internalIp", "192.168.0." + this.index);
+            setCfgConfig("privateIp", "192.168.0." + this.index);
+        }
+        setCfgConfig("dataDir", this.dataDir);
+        setCfgConfig("logDir", this.logDir);
+        setCfgConfig("numOfLogLines", "1000000/00");
+        setCfgConfig("mnodeEqualVnodeNum", "0");
+        setCfgConfig("walLevel", "1");
+        setCfgConfig("statusInterval", "1");
+        setCfgConfig("numOfTotalVnodes", "64");
+        setCfgConfig("numOfMnodes", "3");
+        setCfgConfig("numOfThreadsPerCore", "2.0");
+        setCfgConfig("monitor", "0");
+        setCfgConfig("maxVnodeConnections", "30000");
+        setCfgConfig("maxMgmtConnections", "30000");
+        setCfgConfig("maxMeterConnections", "30000");
+        setCfgConfig("maxShellConns", "30000");
+        setCfgConfig("locale", "en_US.UTF-8");
+        setCfgConfig("charset", "UTF-8");
+        setCfgConfig("asyncLog", "0");
+        setCfgConfig("anyIp", "0");
+        setCfgConfig("dDebugFlag", "135");
+        setCfgConfig("mDebugFlag", "135");
+        setCfgConfig("sdbDebugFlag", "135");
+        setCfgConfig("rpcDebugFlag", "135");
+        setCfgConfig("tmrDebugFlag", "131");
+        setCfgConfig("cDebugFlag", "135");
+        setCfgConfig("httpDebugFlag", "135");
+        setCfgConfig("monitorDebugFlag", "135");
+        setCfgConfig("udebugFlag", "135");
+        setCfgConfig("jnidebugFlag", "135");
+        setCfgConfig("qdebugFlag", "135"); 
+        this.deployed = 1;
+    }
+}
\ No newline at end of file

src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/TDNodes.java

+package com.taosdata.jdbc.utils;
+
+import java.io.File;
+import java.util.*;
+
+public class TDNodes {
+    private ArrayList<TDNode> tdNodes; 
+    private boolean testCluster;     
+
+    public TDNodes () {
+        tdNodes = new ArrayList<>();
+        for(int i = 1; i < 11; i ++) {            
+            tdNodes.add(new TDNode(i));
+        }               
+    }
+
+    public void setPath(String path) {
+        try {
+            String killCmd = "pkill -kill -x taosd";
+            String[] killCmds = {"sh", "-c", killCmd};
+            Runtime.getRuntime().exec(killCmds).waitFor();        
+
+            String binPath = System.getProperty("user.dir");
+            binPath += "/../../../debug";
+            System.out.println("binPath: " + binPath);
+        
+            File file = new File(path);
+            binPath = file.getCanonicalPath();
+            System.out.println("binPath real path: " + binPath);
+                
+            if(path.isEmpty()){
+                file = new File(path + "/../../");                
+                path = file.getCanonicalPath();
+            }            
+
+            for(int i = 0; i < tdNodes.size(); i++) {
+                tdNodes.get(i).setPath(path);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+    
+    public void setTestCluster(boolean testCluster) {
+        this.testCluster = testCluster;
+    }
+
+    public void check(int index) {
+        if(index < 1 || index > 10) {
+            System.out.println("index: " + index + " should on a scale of [1, 10]");
+            return;
+        }
+    } 
+
+    public void deploy(int index) {
+        try {     
+            File file = new File(System.getProperty("user.dir") + "/../../../");
+            String projectRealPath = file.getCanonicalPath();
+            check(index);        
+            tdNodes.get(index - 1).setTestCluster(this.testCluster);            
+            tdNodes.get(index - 1).setPath(projectRealPath); 
+            tdNodes.get(index - 1).deploy();
+        } catch (Exception e) {
+            e.printStackTrace();
+            System.out.println("deploy Test Exception");
+        }
+    }
+    
+    public void cfg(int index, String option, String value) {
+        check(index);
+        tdNodes.get(index - 1).setCfgConfig(option, value);
+    }
+    
+    public void start(int index) {
+        check(index);
+        tdNodes.get(index - 1).start();
+    }
+
+    public void stop(int index) {
+        check(index);
+        tdNodes.get(index - 1).stop();
+    }
+    
+    public void startIP(int index) {
+        check(index);
+        tdNodes.get(index - 1).startIP();
+    }
+
+    public void stopIP(int index) {
+        check(index);
+        tdNodes.get(index - 1).stopIP();
+    }
+
+}
\ No newline at end of file

src/connector/jdbc/src/test/java/com/taosdata/jdbc/BaseTest.java

 package com.taosdata.jdbc;
 
-import java.io.BufferedReader;
-import java.io.InputStreamReader;
+import java.io.File;
+import com.taosdata.jdbc.utils.TDNodes;
 
+import org.junit.AfterClass;
 import org.junit.BeforeClass;
 
 public class BaseTest {
 
+    private static boolean testCluster = false;
+    private static String deployPath = System.getProperty("user.dir");         
+    private static TDNodes tdNodes = new TDNodes();    
+    
+    
     @BeforeClass
     public static void setupEnv() {
         try{
-            String path = System.getProperty("user.dir");
-            String bashPath = path + "/buildTDengine.sh";
+            File file = new File(deployPath + "/../../../");
+            String rootPath = file.getCanonicalPath();
                        
-            Process ps = Runtime.getRuntime().exec(bashPath);
-            ps.waitFor();
+            tdNodes.setPath(rootPath);
+            tdNodes.setTestCluster(testCluster);            
+
+            tdNodes.deploy(1);
+            tdNodes.start(1);  
 
-            BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream()));
-            while(br.readLine() != null) {
-                System.out.println(br.readLine());
-            }            
         } catch (Exception e) {
             e.printStackTrace();
+            System.out.println("Base Test Exception");
+        }
     }
+
+    @AfterClass
+    public static void cleanUpEnv() {
+        tdNodes.stop(1);
     }
 }
\ No newline at end of file

src/dnode/inc/dnodeMgmt.h

@@ -22,6 +22,8 @@ extern "C" {
 
 int32_t dnodeInitMgmt();
 void    dnodeCleanupMgmt();
+int32_t dnodeInitMgmtTimer();
+void    dnodeCleanupMgmtTimer();
 void    dnodeDispatchToMgmtQueue(SRpcMsg *rpcMsg);
 
 void*   dnodeGetVnode(int32_t vgId);

src/dnode/src/dnodeMain.c

@@ -57,6 +57,7 @@ static const SDnodeComponent tsDnodeComponents[] = {
   {"server",  dnodeInitServer,     dnodeCleanupServer},
   {"mgmt",    dnodeInitMgmt,       dnodeCleanupMgmt},
   {"modules", dnodeInitModules,    dnodeCleanupModules},
+  {"mgmt-tmr",dnodeInitMgmtTimer,  dnodeCleanupMgmtTimer},
   {"shell",   dnodeInitShell,      dnodeCleanupShell}
 };
 

src/dnode/src/dnodeMgmt.c

@@ -147,6 +147,12 @@ int32_t dnodeInitMgmt() {
     return -1;
   }
 
+  dInfo("dnode mgmt is initialized");
+ 
+  return TSDB_CODE_SUCCESS;
+}
+
+int32_t dnodeInitMgmtTimer() {
   tsDnodeTmr = taosTmrInit(100, 200, 60000, "DND-DM");
   if (tsDnodeTmr == NULL) {
     dError("failed to init dnode timer");
@@ -155,13 +161,11 @@ int32_t dnodeInitMgmt() {
   }
 
   taosTmrReset(dnodeSendStatusMsg, 500, NULL, tsDnodeTmr, &tsStatusTimer);
-  
-  dInfo("dnode mgmt is initialized");
- 
+  dInfo("dnode mgmt timer is initialized");
   return TSDB_CODE_SUCCESS;
 }
 
-void dnodeCleanupMgmt() {
+void dnodeCleanupMgmtTimer() {
   if (tsStatusTimer != NULL) {
     taosTmrStopA(&tsStatusTimer);
     tsStatusTimer = NULL;
@@ -171,7 +175,10 @@ void dnodeCleanupMgmt() {
     taosTmrCleanUp(tsDnodeTmr);
     tsDnodeTmr = NULL;
   }
+}
 
+void dnodeCleanupMgmt() {
+  dnodeCleanupMgmtTimer();
   dnodeCloseVnodes();
 
   if (tsMgmtQset) taosQsetThreadResume(tsMgmtQset);

src/dnode/src/dnodeSystem.c

@@ -20,6 +20,7 @@
 #include "tglobal.h"
 #include "dnodeInt.h"
 #include "dnodeMain.h"
+#include "tfile.h"
 
 static void signal_handler(int32_t signum, siginfo_t *sigInfo, void *context);
 static sem_t exitSem;
@@ -67,6 +68,18 @@ int32_t main(int32_t argc, char *argv[]) {
         taosSetAllocMode(TAOS_ALLOC_MODE_DETECT_LEAK, NULL, true);
       }
     }
+#endif
+#ifdef TAOS_RANDOM_FILE_FAIL
+    else if (strcmp(argv[i], "--random-file-fail-factor") == 0) {
+      if ( (i+1) < argc ) {
+        int factor = atoi(argv[i+1]);
+        printf("The factor of random failure is %d\n", factor);
+        taosSetRandomFileFailFactor(factor);
+      } else {
+        printf("Please specify a number for random failure factor!");
+        exit(EXIT_FAILURE);
+      }
+    }
 #endif
   }
 

src/mnode/src/mnodeMain.c

@@ -41,7 +41,7 @@ typedef struct {
   void              (*cleanup)();
 } SMnodeComponent;
 
-void *tsMnodeTmr;
+void *tsMnodeTmr = NULL;
 static bool tsMgmtIsRunning = false;
 
 static const SMnodeComponent tsMnodeComponents[] = {

src/mnode/src/mnodeSdb.c

@@ -471,8 +471,8 @@ static int32_t sdbInsertHash(SSdbTable *pTable, SSdbOper *pOper) {
     atomic_add_fetch_32(&pTable->autoIndex, 1);
   }
 
-  sdbDebug("table:%s, insert record:%s to hash, rowSize:%d numOfRows:%" PRId64 " ver:%" PRIu64 ", msg:%p", pTable->tableName,
-           sdbGetKeyStrFromObj(pTable, pOper->pObj), pOper->rowSize, pTable->numOfRows, sdbGetVersion(), pOper->pMsg);
+  sdbDebug("table:%s, insert record:%s to hash, rowSize:%d numOfRows:%" PRId64 ", msg:%p", pTable->tableName,
+           sdbGetKeyStrFromObj(pTable, pOper->pObj), pOper->rowSize, pTable->numOfRows, pOper->pMsg);
 
   (*pTable->insertFp)(pOper);
   return TSDB_CODE_SUCCESS;
@@ -490,8 +490,8 @@ static int32_t sdbDeleteHash(SSdbTable *pTable, SSdbOper *pOper) {
   taosHashRemove(pTable->iHandle, key, keySize);
   atomic_sub_fetch_32(&pTable->numOfRows, 1);
   
-  sdbDebug("table:%s, delete record:%s from hash, numOfRows:%" PRId64 " ver:%" PRIu64 ", msg:%p", pTable->tableName,
-           sdbGetKeyStrFromObj(pTable, pOper->pObj), pTable->numOfRows, sdbGetVersion(), pOper->pMsg);
+  sdbDebug("table:%s, delete record:%s from hash, numOfRows:%" PRId64 ", msg:%p", pTable->tableName,
+           sdbGetKeyStrFromObj(pTable, pOper->pObj), pTable->numOfRows, pOper->pMsg);
 
   int8_t *updateEnd = pOper->pObj + pTable->refCountPos - 1;
   *updateEnd = 1;
@@ -501,8 +501,8 @@ static int32_t sdbDeleteHash(SSdbTable *pTable, SSdbOper *pOper) {
 }
 
 static int32_t sdbUpdateHash(SSdbTable *pTable, SSdbOper *pOper) {
-  sdbDebug("table:%s, update record:%s in hash, numOfRows:%" PRId64 " ver:%" PRIu64 ", msg:%p", pTable->tableName,
-           sdbGetKeyStrFromObj(pTable, pOper->pObj), pTable->numOfRows, sdbGetVersion(), pOper->pMsg);
+  sdbDebug("table:%s, update record:%s in hash, numOfRows:%" PRId64 ", msg:%p", pTable->tableName,
+           sdbGetKeyStrFromObj(pTable, pOper->pObj), pTable->numOfRows, pOper->pMsg);
 
   (*pTable->updateFp)(pOper);
   return TSDB_CODE_SUCCESS;
@@ -967,7 +967,11 @@ static void *sdbWorkerFp(void *param) {
       }
 
       int32_t code = sdbWrite(pOper, pHead, type);
-      if (pOper && code <= 0) pOper->retCode = code;
+      if (code > 0) code = 0;
+      if (pOper)
+        pOper->retCode = code;
+      else
+        pHead->len = code;  // hackway
     }
 
     walFsync(tsSdbObj.wal);
@@ -982,7 +986,8 @@ static void *sdbWorkerFp(void *param) {
         sdbDecRef(pOper->table, pOper->pObj);
         sdbConfirmForward(NULL, pOper, pOper->retCode);
       } else if (type == TAOS_QTYPE_FWD) {
-        syncConfirmForward(tsSdbObj.sync, pHead->version, TSDB_CODE_SUCCESS);
+        pHead = (SWalHead *)item;
+        syncConfirmForward(tsSdbObj.sync, pHead->version, pHead->len);
         taosFreeQitem(item);
       } else {
         taosFreeQitem(item);

src/mnode/src/mnodeShow.c

@@ -310,7 +310,8 @@ static int32_t mnodeProcessConnectMsg(SMnodeMsg *pMsg) {
     
     if (pDb->status != TSDB_DB_STATUS_READY) {
       mError("db:%s, status:%d, in dropping", pDb->name, pDb->status);
-      return TSDB_CODE_MND_DB_IN_DROPPING;
+      code = TSDB_CODE_MND_DB_IN_DROPPING;
+      goto connect_over;
     }
     mnodeDecDbRef(pDb);
   }
@@ -355,7 +356,7 @@ static int32_t mnodeProcessUseMsg(SMnodeMsg *pMsg) {
   int32_t code = TSDB_CODE_SUCCESS;
   if (pMsg->pDb == NULL) pMsg->pDb = mnodeGetDb(pUseDbMsg->db);
   if (pMsg->pDb == NULL) {
-    code = TSDB_CODE_MND_INVALID_DB;
+    return TSDB_CODE_MND_INVALID_DB;
   }
   
   if (pMsg->pDb->status != TSDB_DB_STATUS_READY) {

src/mnode/src/mnodeVgroup.c

@@ -470,7 +470,6 @@ static int32_t mnodeCreateVgroupCb(SMnodeMsg *pMsg, int32_t code) {
           pVgroup->vnodeGid[i].dnodeId);
   }
 
-  mnodeIncVgroupRef(pVgroup);
   pMsg->expected = pVgroup->numOfVnodes;
   mnodeSendCreateVgroupMsg(pVgroup, pMsg);
 
@@ -492,6 +491,9 @@ int32_t mnodeCreateVgroup(SMnodeMsg *pMsg) {
     return TSDB_CODE_MND_NO_ENOUGH_DNODES;
   }
 
+  pMsg->pVgroup = pVgroup;
+  mnodeIncVgroupRef(pVgroup);
+
   SSdbOper oper = {
     .type = SDB_OPER_GLOBAL,
     .table = tsVgroupSdb,
@@ -501,8 +503,6 @@ int32_t mnodeCreateVgroup(SMnodeMsg *pMsg) {
     .cb = mnodeCreateVgroupCb
   };
 
-  pMsg->pVgroup = pVgroup;
-
   int32_t code = sdbInsertRow(&oper);
   if (code != TSDB_CODE_SUCCESS) {
     pMsg->pVgroup = NULL;
@@ -925,19 +925,20 @@ static int32_t mnodeProcessVnodeCfgMsg(SMnodeMsg *pMsg) {
     mDebug("dnode:%s, vgId:%d, invalid dnode", taosIpStr(pCfg->dnodeId), pCfg->vgId);
     return TSDB_CODE_MND_VGROUP_NOT_EXIST;
   }
-  mnodeDecDnodeRef(pDnode);
 
   SVgObj *pVgroup = mnodeGetVgroup(pCfg->vgId);
   if (pVgroup == NULL) {
     mDebug("dnode:%s, vgId:%d, no vgroup info", taosIpStr(pCfg->dnodeId), pCfg->vgId);
+    mnodeDecDnodeRef(pDnode);
     return TSDB_CODE_MND_VGROUP_NOT_EXIST;
   }
-  mnodeDecVgroupRef(pVgroup);
 
   mDebug("vgId:%d, send create vnode msg to dnode %s for vnode cfg msg", pVgroup->vgId, pDnode->dnodeEp);
   SRpcIpSet ipSet = mnodeGetIpSetFromIp(pDnode->dnodeEp);
   mnodeSendCreateVnodeMsg(pVgroup, &ipSet, NULL);
 
+  mnodeDecDnodeRef(pDnode);
+  mnodeDecVgroupRef(pVgroup);
   return TSDB_CODE_SUCCESS;
 }
 

src/plugins/http/inc/httpInt.h

@@ -206,7 +206,7 @@ typedef struct HttpThread {
   pthread_mutex_t threadMutex;
   bool            stop;
   int             pollFd;
-  int             numOfFds;
+  int             numOfContexts;
   int             threadId;
   char            label[HTTP_LABEL_SIZE];
   bool (*processData)(HttpContext *pContext);

src/plugins/http/src/httpContext.c

@@ -44,7 +44,7 @@ static void httpDestroyContext(void *data) {
   HttpThread *pThread = pContext->pThread;
   httpRemoveContextFromEpoll(pContext);
   httpReleaseSession(pContext);
-  atomic_sub_fetch_32(&pThread->numOfFds, 1);
+  atomic_sub_fetch_32(&pThread->numOfContexts, 1);
   
   pContext->pThread = 0;
   pContext->state = HTTP_CONTEXT_STATE_CLOSED;
@@ -171,38 +171,39 @@ bool httpInitContext(HttpContext *pContext) {
 
 void httpCloseContextByApp(HttpContext *pContext) {
   pContext->parsed = false;
-
   bool keepAlive = true;
+
   if (pContext->httpVersion == HTTP_VERSION_10 && pContext->httpKeepAlive != HTTP_KEEPALIVE_ENABLE) {
     keepAlive = false;
   } else if (pContext->httpVersion != HTTP_VERSION_10 && pContext->httpKeepAlive == HTTP_KEEPALIVE_DISABLE) {
     keepAlive = false;
-  } else {}
+  } else {
+  }
 
   if (keepAlive) {
     if (httpAlterContextState(pContext, HTTP_CONTEXT_STATE_HANDLING, HTTP_CONTEXT_STATE_READY)) {
-      httpDebug("context:%p, fd:%d, ip:%s, last state:handling, keepAlive:true, reuse connect",
-              pContext, pContext->fd, pContext->ipstr);
+      httpDebug("context:%p, fd:%d, ip:%s, last state:handling, keepAlive:true, reuse context", pContext, pContext->fd,
+                pContext->ipstr);
     } else if (httpAlterContextState(pContext, HTTP_CONTEXT_STATE_DROPPING, HTTP_CONTEXT_STATE_CLOSED)) {
       httpRemoveContextFromEpoll(pContext);
-      httpDebug("context:%p, fd:%d, ip:%s, last state:dropping, keepAlive:true, close connect",
-              pContext, pContext->fd, pContext->ipstr);
+      httpDebug("context:%p, fd:%d, ip:%s, last state:dropping, keepAlive:true, close connect", pContext, pContext->fd,
+                pContext->ipstr);
     } else if (httpAlterContextState(pContext, HTTP_CONTEXT_STATE_READY, HTTP_CONTEXT_STATE_READY)) {
-      httpDebug("context:%p, fd:%d, ip:%s, last state:ready, keepAlive:true, reuse connect",
-              pContext, pContext->fd, pContext->ipstr);
+      httpDebug("context:%p, fd:%d, ip:%s, last state:ready, keepAlive:true, reuse context", pContext, pContext->fd,
+                pContext->ipstr);
     } else if (httpAlterContextState(pContext, HTTP_CONTEXT_STATE_CLOSED, HTTP_CONTEXT_STATE_CLOSED)) {
       httpRemoveContextFromEpoll(pContext);
-      httpDebug("context:%p, fd:%d, ip:%s, last state:ready, keepAlive:true, close connect",
-                pContext, pContext->fd, pContext->ipstr);
+      httpDebug("context:%p, fd:%d, ip:%s, last state:ready, keepAlive:true, close connect", pContext, pContext->fd,
+                pContext->ipstr);
     } else {
       httpRemoveContextFromEpoll(pContext);
-      httpError("context:%p, fd:%d, ip:%s, last state:%s:%d, keepAlive:true, close connect",
-              pContext, pContext->fd, pContext->ipstr, httpContextStateStr(pContext->state), pContext->state);
+      httpError("context:%p, fd:%d, ip:%s, last state:%s:%d, keepAlive:true, close connect", pContext, pContext->fd,
+                pContext->ipstr, httpContextStateStr(pContext->state), pContext->state);
     }
   } else {
     httpRemoveContextFromEpoll(pContext);
-    httpDebug("context:%p, fd:%d, ip:%s, last state:%s:%d, keepAlive:false, close connect",
-              pContext, pContext->fd, pContext->ipstr, httpContextStateStr(pContext->state), pContext->state);
+    httpDebug("context:%p, fd:%d, ip:%s, last state:%s:%d, keepAlive:false, close context", pContext, pContext->fd,
+              pContext->ipstr, httpContextStateStr(pContext->state), pContext->state);
   }
 
   httpReleaseContext(pContext);
@@ -214,7 +215,7 @@ void httpCloseContextByServer(HttpContext *pContext) {
   } else if (httpAlterContextState(pContext, HTTP_CONTEXT_STATE_DROPPING, HTTP_CONTEXT_STATE_DROPPING)) {
     httpDebug("context:%p, fd:%d, ip:%s, epoll already finished, wait app finished", pContext, pContext->fd, pContext->ipstr);
   } else if (httpAlterContextState(pContext, HTTP_CONTEXT_STATE_READY, HTTP_CONTEXT_STATE_CLOSED)) {
-    httpDebug("context:%p, fd:%d, ip:%s, epoll finished, close context", pContext, pContext->fd, pContext->ipstr);
+    httpDebug("context:%p, fd:%d, ip:%s, epoll finished, close connect", pContext, pContext->fd, pContext->ipstr);
   } else if (httpAlterContextState(pContext, HTTP_CONTEXT_STATE_CLOSED, HTTP_CONTEXT_STATE_CLOSED)) {
     httpDebug("context:%p, fd:%d, ip:%s, epoll finished, will be closed soon", pContext, pContext->fd, pContext->ipstr);
   } else {

src/plugins/http/src/httpHandle.c

@@ -313,9 +313,9 @@ bool httpParseRequest(HttpContext* pContext) {
     return true;
   }
 
-  httpTraceL("context:%p, fd:%d, ip:%s, thread:%s, numOfFds:%d, read size:%d, raw data:\n%s", pContext, pContext->fd,
-            pContext->ipstr, pContext->pThread->label, pContext->pThread->numOfFds, pContext->parser.bufsize,
-            pContext->parser.buffer);
+  httpTraceL("context:%p, fd:%d, ip:%s, thread:%s, numOfContexts:%d, read size:%d, raw data:\n%s", pContext,
+             pContext->fd, pContext->ipstr, pContext->pThread->label, pContext->pThread->numOfContexts,
+             pContext->parser.bufsize, pContext->parser.buffer);
 
   if (!httpGetHttpMethod(pContext)) {
     return false;

src/plugins/http/src/httpServer.c

@@ -293,7 +293,7 @@ static void *httpAcceptHttpConnection(void *arg) {
 
     totalFds = 1;
     for (int i = 0; i < pServer->numOfThreads; ++i) {
-      totalFds += pServer->pThreads[i].numOfFds;
+      totalFds += pServer->pThreads[i].numOfContexts;
     }
 
     if (totalFds > tsHttpCacheSessions * 100) {
@@ -332,9 +332,9 @@ static void *httpAcceptHttpConnection(void *arg) {
     }
 
     // notify the data process, add into the FdObj list
-    atomic_add_fetch_32(&pThread->numOfFds, 1);
-    httpDebug("context:%p, fd:%d, ip:%s, thread:%s numOfFds:%d totalFds:%d, accept a new connection", pContext, connFd,
-              pContext->ipstr, pThread->label, pThread->numOfFds, totalFds);
+    atomic_add_fetch_32(&pThread->numOfContexts, 1);
+    httpDebug("context:%p, fd:%d, ip:%s, thread:%s numOfContexts:%d totalFds:%d, accept a new connection", pContext,
+              connFd, pContext->ipstr, pThread->label, pThread->numOfContexts, totalFds);
 
     // pick up next thread for next connection
     threadId++;

src/query/inc/qExecutor.h

@@ -172,6 +172,7 @@ typedef struct SQueryRuntimeEnv {
   bool                 topBotQuery;      // false
   bool                 groupbyNormalCol; // denote if this is a groupby normal column query
   bool                 hasTagResults;    // if there are tag values in final result or not
+  int32_t              interBufSize;     // intermediate buffer sizse
   int32_t              prevGroupId;      // previous executed group id
   SDiskbasedResultBuf* pResultBuf;       // query result buffer based on blocked-wised disk file
 } SQueryRuntimeEnv;

src/query/inc/qUtil.h

@@ -15,6 +15,8 @@
 #ifndef TDENGINE_QUERYUTIL_H
 #define TDENGINE_QUERYUTIL_H
 
+int32_t getOutputInterResultBufSize(SQuery* pQuery);
+
 void clearTimeWindowResBuf(SQueryRuntimeEnv* pRuntimeEnv, SWindowResult* pOneOutputRes);
 void copyTimeWindowResBuf(SQueryRuntimeEnv* pRuntimeEnv, SWindowResult* dst, const SWindowResult* src);
 
@@ -35,7 +37,7 @@ SWindowResult *getWindowResult(SWindowResInfo *pWindowResInfo, int32_t slot);
 #define curTimeWindow(_winres)  ((_winres)->curIndex)
 bool isWindowResClosed(SWindowResInfo *pWindowResInfo, int32_t slot);
 
-void createQueryResultInfo(SQuery *pQuery, SWindowResult *pResultRow, bool isSTableQuery, SPosInfo *posInfo);
+void createQueryResultInfo(SQuery *pQuery, SWindowResult *pResultRow, bool isSTableQuery, SPosInfo *posInfo, size_t interBufSize);
 
 char *getPosInResultPage(SQueryRuntimeEnv *pRuntimeEnv, int32_t columnIndex, SWindowResult *pResult);
 

src/query/inc/tsqlfunction.h

@@ -272,7 +272,7 @@ bool top_bot_datablock_filter(SQLFunctionCtx *pCtx, int32_t functionId, char *mi
 bool stableQueryFunctChanged(int32_t funcId);
 
 void resetResultInfo(SResultInfo *pResInfo);
-void setResultInfoBuf(SResultInfo *pResInfo, int32_t size, bool superTable);
+void setResultInfoBuf(SResultInfo *pResInfo, int32_t size, bool superTable, char* buf);
 
 static FORCE_INLINE void initResultInfo(SResultInfo *pResInfo) {
   pResInfo->initialized = true;  // the this struct has been initialized flag

src/query/src/qExecutor.c

@@ -123,6 +123,14 @@ static void setQueryStatus(SQuery *pQuery, int8_t status);
 
 #define QUERY_IS_INTERVAL_QUERY(_q) ((_q)->intervalTime > 0)
 
+// previous time window may not be of the same size of pQuery->intervalTime
+#define GET_NEXT_TIMEWINDOW(_q, tw)                                   \
+  do {                                                                \
+    int32_t factor = GET_FORWARD_DIRECTION_FACTOR((_q)->order.order); \
+    (tw)->skey += ((_q)->slidingTime * factor);                       \
+    (tw)->ekey = (tw)->skey + ((_q)->intervalTime - 1);               \
+  } while (0)
+
 // todo move to utility
 static int32_t mergeIntoGroupResultImpl(SQInfo *pQInfo, SArray *group);
 
@@ -130,7 +138,6 @@ static void setWindowResOutputBuf(SQueryRuntimeEnv *pRuntimeEnv, SWindowResult *
 static void setWindowResOutputBufInitCtx(SQueryRuntimeEnv *pRuntimeEnv, SWindowResult *pResult);
 static void resetMergeResultBuf(SQuery *pQuery, SQLFunctionCtx *pCtx, SResultInfo *pResultInfo);
 static bool functionNeedToExecute(SQueryRuntimeEnv *pRuntimeEnv, SQLFunctionCtx *pCtx, int32_t functionId);
-static void getNextTimeWindow(SQuery *pQuery, STimeWindow *pTimeWindow);
 
 static void setExecParams(SQuery *pQuery, SQLFunctionCtx *pCtx, void* inputData, TSKEY *tsCol, SDataBlockInfo* pBlockInfo,
                           SDataStatis *pStatis, void *param, int32_t colIndex);
@@ -419,7 +426,7 @@ static SWindowResult *doSetTimeWindowFromKey(SQueryRuntimeEnv *pRuntimeEnv, SWin
 
         for (int32_t i = pWindowResInfo->capacity; i < newCap; ++i) {
           SPosInfo pos = {-1, -1};
-          createQueryResultInfo(pQuery, &pWindowResInfo->pResult[i], pRuntimeEnv->stableQuery, &pos);
+          createQueryResultInfo(pQuery, &pWindowResInfo->pResult[i], pRuntimeEnv->stableQuery, &pos, pRuntimeEnv->interBufSize);
         }
         pWindowResInfo->capacity = newCap;
       }
@@ -551,19 +558,29 @@ static SWindowStatus *getTimeWindowResStatus(SWindowResInfo *pWindowResInfo, int
 
 static int32_t getForwardStepsInBlock(int32_t numOfRows, __block_search_fn_t searchFn, TSKEY ekey, int16_t pos,
                                       int16_t order, int64_t *pData) {
-  int32_t endPos = searchFn((char *)pData, numOfRows, ekey, order);
   int32_t forwardStep = 0;
 
-  if (endPos >= 0) {
-    forwardStep = (order == TSDB_ORDER_ASC) ? (endPos - pos) : (pos - endPos);
-    assert(forwardStep >= 0);
+  if (order == TSDB_ORDER_ASC) {
+    int32_t end = searchFn((char*) &pData[pos], numOfRows - pos, ekey, order);
+    if (end >= 0) {
+      forwardStep = end;
 
-    // endPos data is equalled to the key so, we do need to read the element in endPos
-    if (pData[endPos] == ekey) {
+      if (pData[end + pos] == ekey) {
         forwardStep += 1;
       }
     }
+  } else {
+    int32_t end = searchFn((char *)pData, pos + 1, ekey, order);
+    if (end >= 0) {
+      forwardStep = pos - end;
 
+      if (pData[end] == ekey) {
+        forwardStep += 1;
+      }
+    }
+  }
+
+  assert(forwardStep > 0);
   return forwardStep;
 }
 
@@ -686,7 +703,7 @@ static int32_t getNumOfRowsInTimeWindow(SQuery *pQuery, SDataBlockInfo *pDataBlo
     }
   }
 
-  assert(num >= 0);
+  assert(num > 0);
   return num;
 }
 
@@ -736,59 +753,60 @@ static void doRowwiseApplyFunctions(SQueryRuntimeEnv *pRuntimeEnv, SWindowStatus
   }
 }
 
-static int32_t getNextQualifiedWindow(SQueryRuntimeEnv *pRuntimeEnv, STimeWindow *pNextWin,
-                                      SDataBlockInfo *pDataBlockInfo, TSKEY *primaryKeys,
-                                      __block_search_fn_t searchFn) {
+static int32_t getNextQualifiedWindow(SQueryRuntimeEnv *pRuntimeEnv, STimeWindow *pNext, SDataBlockInfo *pDataBlockInfo,
+    TSKEY *primaryKeys, __block_search_fn_t searchFn, int32_t prevPosition) {
   SQuery *pQuery = pRuntimeEnv->pQuery;
 
-  // tumbling time window query, a special case of sliding time window query
-  if (pQuery->slidingTime == pQuery->intervalTime) {
-    // todo opt
-  }
-
-  getNextTimeWindow(pQuery, pNextWin);
+  GET_NEXT_TIMEWINDOW(pQuery, pNext);
 
   // next time window is not in current block
-  if ((pNextWin->skey > pDataBlockInfo->window.ekey && QUERY_IS_ASC_QUERY(pQuery)) ||
-      (pNextWin->ekey < pDataBlockInfo->window.skey && !QUERY_IS_ASC_QUERY(pQuery))) {
+  if ((pNext->skey > pDataBlockInfo->window.ekey && QUERY_IS_ASC_QUERY(pQuery)) ||
+      (pNext->ekey < pDataBlockInfo->window.skey && !QUERY_IS_ASC_QUERY(pQuery))) {
     return -1;
   }
 
   TSKEY startKey = -1;
   if (QUERY_IS_ASC_QUERY(pQuery)) {
-    startKey = pNextWin->skey;
+    startKey = pNext->skey;
     if (startKey < pQuery->window.skey) {
       startKey = pQuery->window.skey;
     }
   } else {
-    startKey = pNextWin->ekey;
+    startKey = pNext->ekey;
     if (startKey > pQuery->window.skey) {
       startKey = pQuery->window.skey;
     }
   }
 
-  int32_t startPos = searchFn((char *)primaryKeys, pDataBlockInfo->rows, startKey, pQuery->order.order);
+  int32_t startPos = 0;
+  // tumbling time window query, a special case of sliding time window query
+  if (pQuery->slidingTime == pQuery->intervalTime && prevPosition != -1) {
+    int32_t factor = GET_FORWARD_DIRECTION_FACTOR(pQuery->order.order);
+    startPos = prevPosition + factor;
+  } else {
+    startPos = searchFn((char *)primaryKeys, pDataBlockInfo->rows, startKey, pQuery->order.order);
+  }
 
   /*
    * This time window does not cover any data, try next time window,
    * this case may happen when the time window is too small
    */
-  if (QUERY_IS_ASC_QUERY(pQuery) && primaryKeys[startPos] > pNextWin->ekey) {
+  if (QUERY_IS_ASC_QUERY(pQuery) && primaryKeys[startPos] > pNext->ekey) {
     TSKEY next = primaryKeys[startPos];
 
-    pNextWin->ekey += ((next - pNextWin->ekey + pQuery->slidingTime - 1)/pQuery->slidingTime) * pQuery->slidingTime;
-    pNextWin->skey = pNextWin->ekey - pQuery->intervalTime + 1;
-  } else if ((!QUERY_IS_ASC_QUERY(pQuery)) && primaryKeys[startPos] < pNextWin->skey) {
+    pNext->ekey += ((next - pNext->ekey + pQuery->slidingTime - 1)/pQuery->slidingTime) * pQuery->slidingTime;
+    pNext->skey = pNext->ekey - pQuery->intervalTime + 1;
+  } else if ((!QUERY_IS_ASC_QUERY(pQuery)) && primaryKeys[startPos] < pNext->skey) {
     TSKEY next = primaryKeys[startPos];
 
-    pNextWin->skey -= ((pNextWin->skey - next + pQuery->slidingTime - 1) / pQuery->slidingTime) * pQuery->slidingTime;
-    pNextWin->ekey = pNextWin->skey + pQuery->intervalTime - 1;
+    pNext->skey -= ((pNext->skey - next + pQuery->slidingTime - 1) / pQuery->slidingTime) * pQuery->slidingTime;
+    pNext->ekey = pNext->skey + pQuery->intervalTime - 1;
   }
 
   return startPos;
 }
 
-static TSKEY reviseWindowEkey(SQuery *pQuery, STimeWindow *pWindow) {
+static FORCE_INLINE TSKEY reviseWindowEkey(SQuery *pQuery, STimeWindow *pWindow) {
   TSKEY ekey = -1;
   if (QUERY_IS_ASC_QUERY(pQuery)) {
     ekey = pWindow->ekey;
@@ -924,20 +942,23 @@ static void blockwiseApplyFunctions(SQueryRuntimeEnv *pRuntimeEnv, SDataStatis *
       return;
     }
 
+    int32_t forwardStep = 0;
+    int32_t startPos = pQuery->pos;
+
     if (hasTimeWindow) {
       TSKEY   ekey = reviseWindowEkey(pQuery, &win);
-      int32_t forwardStep =
-          getNumOfRowsInTimeWindow(pQuery, pDataBlockInfo, tsCols, pQuery->pos, ekey, searchFn, true);
+      forwardStep = getNumOfRowsInTimeWindow(pQuery, pDataBlockInfo, tsCols, pQuery->pos, ekey, searchFn, true);
 
       SWindowStatus *pStatus = getTimeWindowResStatus(pWindowResInfo, curTimeWindow(pWindowResInfo));
-      doBlockwiseApplyFunctions(pRuntimeEnv, pStatus, &win, pQuery->pos, forwardStep, tsCols, pDataBlockInfo->rows);
+      doBlockwiseApplyFunctions(pRuntimeEnv, pStatus, &win, startPos, forwardStep, tsCols, pDataBlockInfo->rows);
     }
 
     int32_t     index = pWindowResInfo->curIndex;
     STimeWindow nextWin = win;
 
     while (1) {
-      int32_t startPos = getNextQualifiedWindow(pRuntimeEnv, &nextWin, pDataBlockInfo, tsCols, searchFn);
+      int32_t prevEndPos = (forwardStep - 1) * step + startPos;
+      startPos = getNextQualifiedWindow(pRuntimeEnv, &nextWin, pDataBlockInfo, tsCols, searchFn, prevEndPos);
       if (startPos < 0) {
         break;
       }
@@ -953,7 +974,7 @@ static void blockwiseApplyFunctions(SQueryRuntimeEnv *pRuntimeEnv, SDataStatis *
       }
 
       TSKEY ekey = reviseWindowEkey(pQuery, &nextWin);
-      int32_t forwardStep = getNumOfRowsInTimeWindow(pQuery, pDataBlockInfo, tsCols, startPos, ekey, searchFn, true);
+      forwardStep = getNumOfRowsInTimeWindow(pQuery, pDataBlockInfo, tsCols, startPos, ekey, searchFn, true);
 
       SWindowStatus* pStatus = getTimeWindowResStatus(pWindowResInfo, curTimeWindow(pWindowResInfo));
       doBlockwiseApplyFunctions(pRuntimeEnv, pStatus, &nextWin, startPos, forwardStep, tsCols, pDataBlockInfo->rows);
@@ -1224,7 +1245,7 @@ static void rowwiseApplyFunctions(SQueryRuntimeEnv *pRuntimeEnv, SDataStatis *pS
       int32_t     index = pWindowResInfo->curIndex;
 
       while (1) {
-        getNextTimeWindow(pQuery, &nextWin);
+        GET_NEXT_TIMEWINDOW(pQuery, &nextWin);
         if (/*pWindowResInfo->startTime > nextWin.skey ||*/
             (nextWin.skey > pQuery->window.ekey && QUERY_IS_ASC_QUERY(pQuery)) ||
             (nextWin.skey < pQuery->window.ekey && !QUERY_IS_ASC_QUERY(pQuery))) {
@@ -1236,7 +1257,7 @@ static void rowwiseApplyFunctions(SQueryRuntimeEnv *pRuntimeEnv, SDataStatis *pS
         }
 
         // null data, failed to allocate more memory buffer
-        bool hasTimeWindow = false;
+        hasTimeWindow = false;
         if (setWindowOutputBufByKey(pRuntimeEnv, pWindowResInfo, pDataBlockInfo->tid, &nextWin, masterScan, &hasTimeWindow) != TSDB_CODE_SUCCESS) {
           break;
         }
@@ -1459,11 +1480,13 @@ static void setCtxTagColumnInfo(SQueryRuntimeEnv *pRuntimeEnv, SQLFunctionCtx *p
   }
 }
 
-static FORCE_INLINE void setWindowResultInfo(SResultInfo *pResultInfo, SQuery *pQuery, bool isStableQuery) {
+static FORCE_INLINE void setWindowResultInfo(SResultInfo *pResultInfo, SQuery *pQuery, bool isStableQuery, char* buf) {
+  char* p = buf;
   for (int32_t i = 0; i < pQuery->numOfOutput; ++i) {
-    assert(pQuery->pSelectExpr[i].interBytes <= DEFAULT_INTERN_BUF_PAGE_SIZE);
+    int32_t size = pQuery->pSelectExpr[i].interBytes;
+    setResultInfoBuf(&pResultInfo[i], size, isStableQuery, p);
 
-    setResultInfoBuf(&pResultInfo[i], pQuery->pSelectExpr[i].interBytes, isStableQuery);
+    p += size;
   }
 }
 
@@ -1542,8 +1565,10 @@ static int32_t setupQueryRuntimeEnv(SQueryRuntimeEnv *pRuntimeEnv, int16_t order
     }
   }
 
+  char* buf = calloc(1, pRuntimeEnv->interBufSize);
+
   // set the intermediate result output buffer
-  setWindowResultInfo(pRuntimeEnv->resultInfo, pQuery, pRuntimeEnv->stableQuery);
+  setWindowResultInfo(pRuntimeEnv->resultInfo, pQuery, pRuntimeEnv->stableQuery, buf);
 
   // if it is group by normal column, do not set output buffer, the output buffer is pResult
   if (!isGroupbyNormalCol(pQuery->pGroupbyExpr) && !pRuntimeEnv->stableQuery) {
@@ -1581,9 +1606,9 @@ static void teardownQueryRuntimeEnv(SQueryRuntimeEnv *pRuntimeEnv) {
 
       tVariantDestroy(&pCtx->tag);
       tfree(pCtx->tagInfo.pTagCtxList);
-      tfree(pRuntimeEnv->resultInfo[i].interResultBuf);
     }
 
+    tfree(pRuntimeEnv->resultInfo[0].interResultBuf);
     tfree(pRuntimeEnv->resultInfo);
     tfree(pRuntimeEnv->pCtx);
   }
@@ -2017,14 +2042,6 @@ static bool needToLoadDataBlock(SQuery *pQuery, SDataStatis *pDataStatis, SQLFun
   return true;
 }
 
-// previous time window may not be of the same size of pQuery->intervalTime
-static void getNextTimeWindow(SQuery *pQuery, STimeWindow *pTimeWindow) {
-  int32_t factor = GET_FORWARD_DIRECTION_FACTOR(pQuery->order.order);
-
-  pTimeWindow->skey += (pQuery->slidingTime * factor);
-  pTimeWindow->ekey = pTimeWindow->skey + (pQuery->intervalTime - 1);
-}
-
 SArray *loadDataBlockOnDemand(SQueryRuntimeEnv *pRuntimeEnv, void* pQueryHandle, SDataBlockInfo* pBlockInfo, SDataStatis **pStatis) {
   SQuery *pQuery = pRuntimeEnv->pQuery;
 
@@ -2737,7 +2754,8 @@ int32_t mergeIntoGroupResultImpl(SQInfo *pQInfo, SArray *pGroup) {
     longjmp(pRuntimeEnv->env, TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
-  setWindowResultInfo(pResultInfo, pQuery, pRuntimeEnv->stableQuery);
+  char* buf = calloc(1, pRuntimeEnv->interBufSize);
+  setWindowResultInfo(pResultInfo, pQuery, pRuntimeEnv->stableQuery, buf);
   resetMergeResultBuf(pQuery, pRuntimeEnv->pCtx, pResultInfo);
 
   int64_t lastTimestamp = -1;
@@ -2823,11 +2841,9 @@ int32_t mergeIntoGroupResultImpl(SQInfo *pQInfo, SArray *pGroup) {
   tfree(pTree);
 
   pQInfo->offset = 0;
-  for (int32_t i = 0; i < pQuery->numOfOutput; ++i) {
-    tfree(pResultInfo[i].interResultBuf);
-  }
 
   tfree(pResultInfo);
+  tfree(buf);
   return pQInfo->numOfGroupResultPages;
 }
 
@@ -2980,14 +2996,16 @@ void switchCtxOrder(SQueryRuntimeEnv *pRuntimeEnv) {
   }
 }
 
-void createQueryResultInfo(SQuery *pQuery, SWindowResult *pResultRow, bool isSTableQuery, SPosInfo *posInfo) {
+void createQueryResultInfo(SQuery *pQuery, SWindowResult *pResultRow, bool isSTableQuery, SPosInfo *posInfo, size_t interBufSize) {
   int32_t numOfCols = pQuery->numOfOutput;
 
   pResultRow->resultInfo = calloc((size_t)numOfCols, sizeof(SResultInfo));
   pResultRow->pos = *posInfo;
 
+  char* buf = calloc(1, interBufSize);
+
   // set the intermediate result output buffer
-  setWindowResultInfo(pResultRow->resultInfo, pQuery, isSTableQuery);
+  setWindowResultInfo(pResultRow->resultInfo, pQuery, isSTableQuery, buf);
 }
 
 void resetCtxOutputBuf(SQueryRuntimeEnv *pRuntimeEnv) {
@@ -3365,7 +3383,7 @@ static STableQueryInfo *createTableQueryInfo(SQueryRuntimeEnv *pRuntimeEnv, void
 
   // set more initial size of interval/groupby query
   if (QUERY_IS_INTERVAL_QUERY(pQuery) || pRuntimeEnv->groupbyNormalCol) {
-    int32_t initialSize = 20;
+    int32_t initialSize = 16;
     int32_t initialThreshold = 100;
     initWindowResInfo(&pTableQueryInfo->windowResInfo, pRuntimeEnv, initialSize, initialThreshold, TSDB_DATA_TYPE_INT);
   } else { // in other aggregate query, do not initialize the windowResInfo
@@ -3591,20 +3609,7 @@ bool needPrimaryTimestampCol(SQuery *pQuery, SDataBlockInfo *pDataBlockInfo) {
   return loadPrimaryTS;
 }
 
-static int32_t getNumOfSubset(SQInfo *pQInfo) {
-  SQuery *pQuery = pQInfo->runtimeEnv.pQuery;
-
-  int32_t totalSubset = 0;
-  if (pQInfo->runtimeEnv.groupbyNormalCol || (QUERY_IS_INTERVAL_QUERY(pQuery))) {
-    totalSubset = numOfClosedTimeWindow(&pQInfo->runtimeEnv.windowResInfo);
-  } else {
-    totalSubset = GET_NUM_OF_TABLEGROUP(pQInfo);
-  }
-
-  return totalSubset;
-}
-
-static int32_t doCopyToSData(SQInfo *pQInfo, SWindowResult *result, int32_t orderType) {
+static int32_t doCopyToSData(SQInfo *pQInfo, SWindowResInfo *pResultInfo, int32_t orderType) {
   SQueryRuntimeEnv *pRuntimeEnv = &pQInfo->runtimeEnv;
   SQuery *          pQuery = pRuntimeEnv->pQuery;
 
@@ -3613,17 +3618,18 @@ static int32_t doCopyToSData(SQInfo *pQInfo, SWindowResult *result, int32_t orde
   int32_t step = -1;
 
   qDebug("QInfo:%p start to copy data from windowResInfo to query buf", pQInfo);
-  int32_t totalSubset = getNumOfSubset(pQInfo);
+  int32_t totalSet = numOfClosedTimeWindow(pResultInfo);
+  SWindowResult* result = pResultInfo->pResult;
 
   if (orderType == TSDB_ORDER_ASC) {
     startIdx = pQInfo->groupIndex;
     step = 1;
   } else {  // desc order copy all data
-    startIdx = totalSubset - pQInfo->groupIndex - 1;
+    startIdx = totalSet - pQInfo->groupIndex - 1;
     step = -1;
   }
 
-  for (int32_t i = startIdx; (i < totalSubset) && (i >= 0); i += step) {
+  for (int32_t i = startIdx; (i < totalSet) && (i >= 0); i += step) {
     if (result[i].numOfRows == 0) {
       pQInfo->offset = 0;
       pQInfo->groupIndex += 1;
@@ -3678,11 +3684,11 @@ static int32_t doCopyToSData(SQInfo *pQInfo, SWindowResult *result, int32_t orde
  * @param pQInfo
  * @param result
  */
-void copyFromWindowResToSData(SQInfo *pQInfo, SWindowResult *result) {
+void copyFromWindowResToSData(SQInfo *pQInfo, SWindowResInfo *pResultInfo) {
   SQuery *pQuery = pQInfo->runtimeEnv.pQuery;
 
   int32_t orderType = (pQuery->pGroupbyExpr != NULL) ? pQuery->pGroupbyExpr->orderType : TSDB_ORDER_ASC;
-  int32_t numOfResult = doCopyToSData(pQInfo, result, orderType);
+  int32_t numOfResult = doCopyToSData(pQInfo, pResultInfo, orderType);
 
   pQuery->rec.rows += numOfResult;
 
@@ -4013,7 +4019,7 @@ static bool skipTimeInterval(SQueryRuntimeEnv *pRuntimeEnv, TSKEY* start) {
       }
 
       STimeWindow tw = win;
-      getNextTimeWindow(pQuery, &tw);
+      GET_NEXT_TIMEWINDOW(pQuery, &tw);
 
       if (pQuery->limit.offset == 0) {
         if ((tw.skey <= blockInfo.window.ekey && QUERY_IS_ASC_QUERY(pQuery)) ||
@@ -4025,7 +4031,7 @@ static bool skipTimeInterval(SQueryRuntimeEnv *pRuntimeEnv, TSKEY* start) {
 
           tw = win;
           int32_t startPos =
-              getNextQualifiedWindow(pRuntimeEnv, &tw, &blockInfo, pColInfoData->pData, binarySearchForKey);
+              getNextQualifiedWindow(pRuntimeEnv, &tw, &blockInfo, pColInfoData->pData, binarySearchForKey, -1);
           assert(startPos >= 0);
 
           // set the abort info
@@ -4068,7 +4074,7 @@ static bool skipTimeInterval(SQueryRuntimeEnv *pRuntimeEnv, TSKEY* start) {
 
         tw = win;
         int32_t startPos =
-            getNextQualifiedWindow(pRuntimeEnv, &tw, &blockInfo, pColInfoData->pData, binarySearchForKey);
+            getNextQualifiedWindow(pRuntimeEnv, &tw, &blockInfo, pColInfoData->pData, binarySearchForKey, -1);
         assert(startPos >= 0);
 
         // set the abort info
@@ -4197,7 +4203,7 @@ int32_t doInitQInfo(SQInfo *pQInfo, STSBuf *pTsBuf, void *tsdb, int32_t vgId, bo
         type = TSDB_DATA_TYPE_INT;  // group id
       }
 
-      initWindowResInfo(&pRuntimeEnv->windowResInfo, pRuntimeEnv, 512, 4096, type);
+      initWindowResInfo(&pRuntimeEnv->windowResInfo, pRuntimeEnv, 32, 4096, type);
     }
 
   } else if (pRuntimeEnv->groupbyNormalCol || QUERY_IS_INTERVAL_QUERY(pQuery)) {
@@ -4469,6 +4475,8 @@ static void sequentialTableProcess(SQInfo *pQInfo) {
       }
 
       pRuntimeEnv->pQueryHandle = tsdbQueryTables(pQInfo->tsdb, &cond, &gp, pQInfo);
+      taosArrayDestroy(g1);
+      taosArrayDestroy(tx);
 
       SArray* s = tsdbGetQueriedTableList(pRuntimeEnv->pQueryHandle);
       assert(taosArrayGetSize(s) >= 1);
@@ -4505,7 +4513,7 @@ static void sequentialTableProcess(SQInfo *pQInfo) {
       pQInfo->groupIndex = 0;
 
       ensureOutputBufferSimple(pRuntimeEnv, pWindowResInfo->size);
-      copyFromWindowResToSData(pQInfo, pWindowResInfo->pResult);
+      copyFromWindowResToSData(pQInfo, pWindowResInfo);
 
       pQInfo->groupIndex = currentGroupIndex;  //restore the group index
       assert(pQuery->rec.rows == pWindowResInfo->size);
@@ -4520,7 +4528,7 @@ static void sequentialTableProcess(SQInfo *pQInfo) {
      * we need to return it to client in the first place.
      */
     if (pQInfo->groupIndex > 0) {
-      copyFromWindowResToSData(pQInfo, pRuntimeEnv->windowResInfo.pResult);
+      copyFromWindowResToSData(pQInfo, &pRuntimeEnv->windowResInfo);
       pQuery->rec.total += pQuery->rec.rows;
 
       if (pQuery->rec.rows > 0) {
@@ -4721,7 +4729,7 @@ static void multiTableQueryProcess(SQInfo *pQInfo) {
       displayInterResult(pQuery->sdata, pRuntimeEnv, pQuery->sdata[0]->num);
 #endif
     } else {
-      copyFromWindowResToSData(pQInfo, pRuntimeEnv->windowResInfo.pResult);
+      copyFromWindowResToSData(pQInfo, &pRuntimeEnv->windowResInfo);
     }
 
     qDebug("QInfo:%p current:%"PRId64", total:%"PRId64"", pQInfo, pQuery->rec.rows, pQuery->rec.total);
@@ -4772,7 +4780,7 @@ static void multiTableQueryProcess(SQInfo *pQInfo) {
 #endif
     }
   } else {  // not a interval query
-    copyFromWindowResToSData(pQInfo, pRuntimeEnv->windowResInfo.pResult);
+    copyFromWindowResToSData(pQInfo, &pRuntimeEnv->windowResInfo);
   }
 
   // handle the limitation of output buffer
@@ -4927,7 +4935,7 @@ static void tableIntervalProcess(SQInfo *pQInfo, STableQueryInfo* pTableInfo) {
     if (QUERY_IS_INTERVAL_QUERY(pQuery)) {
       pQInfo->groupIndex = 0;  // always start from 0
       pQuery->rec.rows = 0;
-      copyFromWindowResToSData(pQInfo, pRuntimeEnv->windowResInfo.pResult);
+      copyFromWindowResToSData(pQInfo, &pRuntimeEnv->windowResInfo);
 
       clearFirstNTimeWindow(pRuntimeEnv, pQInfo->groupIndex);
     }
@@ -4956,7 +4964,7 @@ static void tableIntervalProcess(SQInfo *pQInfo, STableQueryInfo* pTableInfo) {
   if (pRuntimeEnv->groupbyNormalCol) {  // todo refactor with merge interval time result
     pQInfo->groupIndex = 0;
     pQuery->rec.rows = 0;
-    copyFromWindowResToSData(pQInfo, pRuntimeEnv->windowResInfo.pResult);
+    copyFromWindowResToSData(pQInfo, &pRuntimeEnv->windowResInfo);
     clearFirstNTimeWindow(pRuntimeEnv, pQInfo->groupIndex);
   }
 
@@ -4988,7 +4996,7 @@ static void tableQueryImpl(SQInfo *pQInfo) {
       pQInfo->groupIndex = 0;  // always start from 0
 
       if (pRuntimeEnv->windowResInfo.size > 0) {
-        copyFromWindowResToSData(pQInfo, pRuntimeEnv->windowResInfo.pResult);
+        copyFromWindowResToSData(pQInfo, &pRuntimeEnv->windowResInfo);
         clearFirstNTimeWindow(pRuntimeEnv, pQInfo->groupIndex);
 
         if (pQuery->rec.rows > 0) {
@@ -5736,7 +5744,7 @@ static SQInfo *createQInfoImpl(SQueryTableMsg *pQueryMsg, SArray* pTableIdList,
   STimeWindow window = pQueryMsg->window;
   taosArraySort(pTableIdList, compareTableIdInfo);
 
-  // TODO optimize the STableQueryInfo malloc strategy
+  pQInfo->runtimeEnv.interBufSize = getOutputInterResultBufSize(pQuery);
   pQInfo->pBuf = calloc(pTableGroupInfo->numOfTables, sizeof(STableQueryInfo));
   int32_t index = 0;
 
@@ -5851,6 +5859,18 @@ _error:
   return code;
 }
 
+static void freeColumnFilterInfo(SColumnFilterInfo* pFilter, int32_t numOfFilters) {
+    if (pFilter == NULL) {
+      return;
+    }
+    for (int32_t i = 0; i < numOfFilters; i++) {
+      if (pFilter[i].filterstr) {
+        free((void*)(pFilter[i].pz));
+      }
+    }
+    free(pFilter);
+}
+
 static void freeQInfo(SQInfo *pQInfo) {
   if (!isValidQInfo(pQInfo)) {
     return;
@@ -5919,7 +5939,15 @@ static void freeQInfo(SQInfo *pQInfo) {
 
   tfree(pQuery->tagColList);
   tfree(pQuery->pFilterInfo);
+
+  if (pQuery->colList != NULL) {
+    for (int32_t i = 0; i < pQuery->numOfCols; i++) {
+      SColumnInfo* column = pQuery->colList + i;
+      freeColumnFilterInfo(column->filters, column->numOfFilters);
+    }
     tfree(pQuery->colList);
+  }
+
   tfree(pQuery->sdata);
 
   tfree(pQuery);
@@ -6116,6 +6144,11 @@ _over:
   free(pExprMsg);
   taosArrayDestroy(pTableIdList);
 
+  for (int32_t i = 0; i < pQueryMsg->numOfCols; i++) {
+    SColumnInfo* column = pQueryMsg->colList + i;
+    freeColumnFilterInfo(column->filters, column->numOfFilters);
+  }
+
   //pQInfo already freed in initQInfo, but *pQInfo may not pointer to null;
   if (code != TSDB_CODE_SUCCESS) {
     *pQInfo = NULL;

src/query/src/qUtil.c

@@ -17,15 +17,24 @@
 
 #include "hash.h"
 #include "taosmsg.h"
-#include "qextbuffer.h"
-#include "ttime.h"
-
-#include "qfill.h"
 #include "ttime.h"
 
 #include "qExecutor.h"
 #include "qUtil.h"
 
+int32_t getOutputInterResultBufSize(SQuery* pQuery) {
+  int32_t size = 0;
+
+  for (int32_t i = 0; i < pQuery->numOfOutput; ++i) {
+    assert(pQuery->pSelectExpr[i].interBytes <= DEFAULT_INTERN_BUF_PAGE_SIZE);
+    size += pQuery->pSelectExpr[i].interBytes;
+  }
+
+  assert(size > 0);
+
+  return size;
+}
+
 int32_t initWindowResInfo(SWindowResInfo *pWindowResInfo, SQueryRuntimeEnv *pRuntimeEnv, int32_t size,
                           int32_t threshold, int16_t type) {
   pWindowResInfo->capacity = size;
@@ -43,7 +52,7 @@ int32_t initWindowResInfo(SWindowResInfo *pWindowResInfo, SQueryRuntimeEnv *pRun
   pWindowResInfo->pResult = calloc(threshold, sizeof(SWindowResult));
   for (int32_t i = 0; i < pWindowResInfo->capacity; ++i) {
     SPosInfo posInfo = {-1, -1};
-    createQueryResultInfo(pRuntimeEnv->pQuery, &pWindowResInfo->pResult[i], pRuntimeEnv->stableQuery, &posInfo);
+    createQueryResultInfo(pRuntimeEnv->pQuery, &pWindowResInfo->pResult[i], pRuntimeEnv->stableQuery, &posInfo, pRuntimeEnv->interBufSize);
   }
   
   return TSDB_CODE_SUCCESS;
@@ -54,11 +63,7 @@ void destroyTimeWindowRes(SWindowResult *pWindowRes, int32_t nOutputCols) {
     return;
   }
 
-  // TODO opt malloc strategy
-  for (int32_t i = 0; i < nOutputCols; ++i) {
-    free(pWindowRes->resultInfo[i].interResultBuf);
-  }
-  
+  free(pWindowRes->resultInfo[0].interResultBuf);
   free(pWindowRes->resultInfo);
 }
 
@@ -241,10 +246,9 @@ void clearTimeWindowResBuf(SQueryRuntimeEnv *pRuntimeEnv, SWindowResult *pWindow
   }
   
   pWindowRes->numOfRows = 0;
-  //  pWindowRes->nAlloc = 0;
   pWindowRes->pos = (SPosInfo){-1, -1};
   pWindowRes->status.closed = false;
-  pWindowRes->window = (STimeWindow){0, 0};
+  pWindowRes->window = TSWINDOW_INITIALIZER;
 }
 
 /**
@@ -254,7 +258,6 @@ void clearTimeWindowResBuf(SQueryRuntimeEnv *pRuntimeEnv, SWindowResult *pWindow
  */
 void copyTimeWindowResBuf(SQueryRuntimeEnv *pRuntimeEnv, SWindowResult *dst, const SWindowResult *src) {
   dst->numOfRows = src->numOfRows;
-  //  dst->nAlloc = src->nAlloc;
   dst->window = src->window;
   dst->status = src->status;
   

src/rpc/src/rpcMain.c

@@ -1366,6 +1366,7 @@ static int32_t rpcCompressRpcMsg(char* pCont, int32_t contLen) {
   }
   
   int32_t compLen = LZ4_compress_default(pCont, buf, contLen, contLen + overhead);
+  tDebug("compress rpc msg, before:%d, after:%d, overhead:%d", contLen, compLen, overhead);
   
   /*
    * only the compressed size is less than the value of contLen - overhead, the compression is applied
@@ -1378,7 +1379,7 @@ static int32_t rpcCompressRpcMsg(char* pCont, int32_t contLen) {
     memcpy(pCont + overhead, buf, compLen);
     
     pHead->comp = 1;
-    //tDebug("compress rpc msg, before:%d, after:%d", contLen, compLen);
+    tDebug("compress rpc msg, before:%d, after:%d", contLen, compLen);
     finalLen = compLen + overhead;
   } else {
     finalLen = contLen;

src/util/inc/tfile.h

@@ -18,6 +18,7 @@
 
 #ifdef TAOS_RANDOM_FILE_FAIL
 
+void taosSetRandomFileFailFactor(int factor);
 ssize_t taos_tread(int fd, void *buf, size_t count);
 ssize_t taos_twrite(int fd, void *buf, size_t count);
 off_t taos_lseek(int fd, off_t offset, int whence);

src/util/src/tfile.c

@@ -26,40 +26,51 @@
 
 #include "os.h"
 
-#define RANDOM_FILE_FAIL_FACTOR 5
+#ifdef TAOS_RANDOM_FILE_FAIL
+
+static int random_file_fail_factor = 20;
+
+void taosSetRandomFileFailFactor(int factor)
+{
+  random_file_fail_factor = factor;
+}
+#endif
 
 ssize_t taos_tread(int fd, void *buf, size_t count)
 {
 #ifdef TAOS_RANDOM_FILE_FAIL
-  if (rand() % RANDOM_FILE_FAIL_FACTOR == 0) {
+  if (random_file_fail_factor > 0) {
+    if (rand() % random_file_fail_factor == 0) {
       errno = EIO;
       return -1;
     }
+  }
 #endif
-
   return tread(fd, buf, count);
 }
 
 ssize_t taos_twrite(int fd, void *buf, size_t count)
 {
 #ifdef TAOS_RANDOM_FILE_FAIL
-  if (rand() % RANDOM_FILE_FAIL_FACTOR == 0) {
+  if (random_file_fail_factor > 0) {
+    if (rand() % random_file_fail_factor == 0) {
       errno = EIO;
       return -1;
     }
+  }
 #endif
-
   return twrite(fd, buf, count);
 }
 
 off_t taos_lseek(int fd, off_t offset, int whence)
 {
 #ifdef TAOS_RANDOM_FILE_FAIL
-  if (rand() % RANDOM_FILE_FAIL_FACTOR == 0) {
+  if (random_file_fail_factor > 0) {
+    if (rand() % random_file_fail_factor == 0) {
       errno = EIO;
       return -1;
     }
+  }
 #endif
-
   return lseek(fd, offset, whence);
 }

src/wal/src/walMain.c

@@ -28,6 +28,7 @@
 #include "taoserror.h"
 #include "twal.h"
 #include "tqueue.h"
+#include "tfile.h"
 
 #define walPrefix "wal"
 
@@ -180,7 +181,7 @@ int walWrite(void *handle, SWalHead *pHead) {
   taosCalcChecksumAppend(0, (uint8_t *)pHead, sizeof(SWalHead));
   int contLen = pHead->len + sizeof(SWalHead);
 
-  if(write(pWal->fd, pHead, contLen) != contLen) {
+  if(twrite(pWal->fd, pHead, contLen) != contLen) {
     wError("wal:%s, failed to write(%s)", pWal->name, strerror(errno));
     terrno = TAOS_SYSTEM_ERROR(errno);
   } else {
@@ -325,7 +326,7 @@ static int walRestoreWalFile(SWal *pWal, void *pVnode, FWalWrite writeFp) {
   wDebug("wal:%s, start to restore", name);
 
   while (1) {
-    int ret = read(fd, pHead, sizeof(SWalHead));
+    int ret = tread(fd, pHead, sizeof(SWalHead));
     if ( ret == 0)  break;  
 
     if (ret != sizeof(SWalHead)) {
@@ -340,7 +341,7 @@ static int walRestoreWalFile(SWal *pWal, void *pVnode, FWalWrite writeFp) {
       break;
     } 
 
-    ret = read(fd, pHead->cont, pHead->len);
+    ret = tread(fd, pHead->cont, pHead->len);
     if ( ret != pHead->len) {
       wWarn("wal:%s, failed to read body, skip, len:%d ret:%d", name, pHead->len, ret);
       terrno = TAOS_SYSTEM_ERROR(errno);

tests/pytest/crash_gen.py

-#-----!/usr/bin/python3.7
+# -----!/usr/bin/python3.7
 ###################################################################
 #           Copyright (c) 2016 by TAOS Technologies, Inc.
 #                     All rights reserved.
@@ -11,7 +11,31 @@
 ###################################################################
 
 # -*- coding: utf-8 -*-
-from __future__ import annotations  # For type hinting before definition, ref: https://stackoverflow.com/questions/33533148/how-do-i-specify-that-the-return-type-of-a-method-is-the-same-as-the-class-itsel    
+# For type hinting before definition, ref:
+# https://stackoverflow.com/questions/33533148/how-do-i-specify-that-the-return-type-of-a-method-is-the-same-as-the-class-itsel
+from __future__ import annotations
+import taos
+import crash_gen
+from util.sql import *
+from util.cases import *
+from util.dnodes import *
+from util.log import *
+from queue import Queue, Empty
+from typing import IO
+from typing import Set
+from typing import Dict
+from typing import List
+from requests.auth import HTTPBasicAuth
+import textwrap
+import datetime
+import logging
+import time
+import random
+import threading
+import requests
+import copy
+import argparse
+import getopt
 
 import sys
 import os
@@ -22,33 +46,6 @@ import traceback
 if sys.version_info[0] < 3:
     raise Exception("Must be using Python 3")
 
-import getopt
-import argparse
-import copy
-import requests
-
-import threading
-import random
-import time
-import logging
-import datetime
-import textwrap
-import requests
-from requests.auth import HTTPBasicAuth
-
-from typing import List
-from typing import Dict
-from typing import Set
-from typing import IO
-from queue import Queue, Empty
-
-from util.log import *
-from util.dnodes import *
-from util.cases import *
-from util.sql import *
-
-import crash_gen
-import taos
 
 # Global variables, tried to keep a small number.
 
@@ -57,9 +54,11 @@ import taos
 gConfig = argparse.Namespace()  # Dummy value, will be replaced later
 logger = None
 
+
 def runThread(wt: WorkerThread):
     wt.run()
 
+
 class CrashGenError(Exception):
     def __init__(self, msg=None, errno=None):
         self.msg = msg
@@ -68,6 +67,7 @@ class CrashGenError(Exception):
     def __str__(self):
         return self.msg
 
+
 class WorkerThread:
     def __init__(self, pool: ThreadPool, tid,
                  tc: ThreadCoordinator,
@@ -82,9 +82,10 @@ class WorkerThread:
         self._stepGate = threading.Event()
 
         # Let us have a DB connection of our own
-        if ( gConfig.per_thread_db_connection ): # type: ignore
+        if (gConfig.per_thread_db_connection):  # type: ignore
             # print("connector_type = {}".format(gConfig.connector_type))
-            self._dbConn = DbConn.createNative() if (gConfig.connector_type == 'native') else DbConn.createRest()
+            self._dbConn = DbConn.createNative() if (
+                gConfig.connector_type == 'native') else DbConn.createRest()
 
         self._dbInUse = False  # if "use db" was executed already
 
@@ -98,7 +99,7 @@ class WorkerThread:
         return self._dbInUse
 
     def useDb(self):
-        if ( not self._dbInUse ):
+        if (not self._dbInUse):
             self.execSql("use db")
         self._dbInUse = True
 
@@ -113,51 +114,62 @@ class WorkerThread:
         # self.isSleeping = False
         logger.info("Starting to run thread: {}".format(self._tid))
 
-        if ( gConfig.per_thread_db_connection ): # type: ignore
+        if (gConfig.per_thread_db_connection):  # type: ignore
             logger.debug("Worker thread openning database connection")
             self._dbConn.open()
 
         self._doTaskLoop()
 
         # clean up
-        if ( gConfig.per_thread_db_connection ): # type: ignore 
+        if (gConfig.per_thread_db_connection):  # type: ignore
             self._dbConn.close()
 
-    def _doTaskLoop(self) :
+    def _doTaskLoop(self):
         # while self._curStep < self._pool.maxSteps:
         # tc = ThreadCoordinator(None)
         while True:
             tc = self._tc  # Thread Coordinator, the overall master
             tc.crossStepBarrier()  # shared barrier first, INCLUDING the last one
-            logger.debug("[TRD] Worker thread [{}] exited barrier...".format(self._tid))
+            logger.debug(
+                "[TRD] Worker thread [{}] exited barrier...".format(
+                    self._tid))
             self.crossStepGate()   # then per-thread gate, after being tapped
-            logger.debug("[TRD] Worker thread [{}] exited step gate...".format(self._tid))
+            logger.debug(
+                "[TRD] Worker thread [{}] exited step gate...".format(
+                    self._tid))
             if not self._tc.isRunning():
-                logger.debug("[TRD] Thread Coordinator not running any more, worker thread now stopping...")
+                logger.debug(
+                    "[TRD] Thread Coordinator not running any more, worker thread now stopping...")
                 break
 
             # Fetch a task from the Thread Coordinator
-            logger.debug("[TRD] Worker thread [{}] about to fetch task".format(self._tid))
+            logger.debug(
+                "[TRD] Worker thread [{}] about to fetch task".format(
+                    self._tid))
             task = tc.fetchTask()
 
             # Execute such a task
-            logger.debug("[TRD] Worker thread [{}] about to execute task: {}".format(self._tid, task.__class__.__name__))
+            logger.debug(
+                "[TRD] Worker thread [{}] about to execute task: {}".format(
+                    self._tid, task.__class__.__name__))
             task.execute(self)
             tc.saveExecutedTask(task)
-            logger.debug("[TRD] Worker thread [{}] finished executing task".format(self._tid))
+            logger.debug(
+                "[TRD] Worker thread [{}] finished executing task".format(
+                    self._tid))
 
             self._dbInUse = False  # there may be changes between steps
 
     def verifyThreadSelf(self):  # ensure we are called by this own thread
-        if ( threading.get_ident() != self._thread.ident ): 
+        if (threading.get_ident() != self._thread.ident):
             raise RuntimeError("Unexpectly called from other threads")
 
     def verifyThreadMain(self):  # ensure we are called by the main thread
-        if ( threading.get_ident() != threading.main_thread().ident ): 
+        if (threading.get_ident() != threading.main_thread().ident):
             raise RuntimeError("Unexpectly called from other threads")
 
     def verifyThreadAlive(self):
-        if ( not self._thread.is_alive() ):
+        if (not self._thread.is_alive()):
             raise RuntimeError("Unexpected dead thread")
 
     # A gate is different from a barrier in that a thread needs to be "tapped"
@@ -166,7 +178,9 @@ class WorkerThread:
         self.verifyThreadSelf()  # only allowed by ourselves
 
         # Wait again at the "gate", waiting to be "tapped"
-        logger.debug("[TRD] Worker thread {} about to cross the step gate".format(self._tid))
+        logger.debug(
+            "[TRD] Worker thread {} about to cross the step gate".format(
+                self._tid))
         self._stepGate.wait()
         self._stepGate.clear()
 
@@ -181,25 +195,25 @@ class WorkerThread:
         time.sleep(0)  # let the released thread run a bit
 
     def execSql(self, sql):  # TODO: expose DbConn directly
-        if ( gConfig.per_thread_db_connection ):
+        if (gConfig.per_thread_db_connection):
             return self._dbConn.execute(sql)
         else:
             return self._tc.getDbManager().getDbConn().execute(sql)
 
     def querySql(self, sql):  # TODO: expose DbConn directly
-        if ( gConfig.per_thread_db_connection ):
+        if (gConfig.per_thread_db_connection):
             return self._dbConn.query(sql)
         else:
             return self._tc.getDbManager().getDbConn().query(sql)
 
     def getQueryResult(self):
-        if ( gConfig.per_thread_db_connection ):
+        if (gConfig.per_thread_db_connection):
             return self._dbConn.getQueryResult()
         else:
             return self._tc.getDbManager().getDbConn().getQueryResult()
 
     def getDbConn(self):
-        if ( gConfig.per_thread_db_connection ):
+        if (gConfig.per_thread_db_connection):
             return self._dbConn
         else:
             return self._tc.getDbManager().getDbConn()
@@ -211,6 +225,8 @@ class WorkerThread:
     #         return self._tc.getDbState().getDbConn().query(sql)
 
 # The coordinator of all worker threads, mostly running in main thread
+
+
 class ThreadCoordinator:
     def __init__(self, pool: ThreadPool, dbManager):
         self._curStep = -1  # first step is 0
@@ -221,14 +237,15 @@ class ThreadCoordinator:
         self._executedTasks: List[Task] = []  # in a given step
         self._lock = threading.RLock()  # sync access for a few things
 
-        self._stepBarrier = threading.Barrier(self._pool.numThreads + 1) # one barrier for all threads
+        self._stepBarrier = threading.Barrier(
+            self._pool.numThreads + 1)  # one barrier for all threads
         self._execStats = ExecutionStats()
         self._runStatus = MainExec.STATUS_RUNNING
 
     def getTaskExecutor(self):
         return self._te
 
-    def getDbManager(self) -> DbManager :
+    def getDbManager(self) -> DbManager:
         return self._dbManager
 
     def crossStepBarrier(self):
@@ -247,50 +264,58 @@ class ThreadCoordinator:
         self._execStats.startExec()  # start the stop watch
         transitionFailed = False
         hasAbortedTask = False
-        while(self._curStep < maxSteps-1 and 
+        while(self._curStep < maxSteps - 1 and
               (not transitionFailed) and
-            (self._runStatus==MainExec.STATUS_RUNNING) and
+              (self._runStatus == MainExec.STATUS_RUNNING) and
                 (not hasAbortedTask)):  # maxStep==10, last curStep should be 9
 
             if not gConfig.debug:
-                print(".", end="", flush=True) # print this only if we are not in debug mode
+                # print this only if we are not in debug mode
+                print(".", end="", flush=True)
             logger.debug("[TRD] Main thread going to sleep")
 
             # Now main thread (that's us) is ready to enter a step
-            self.crossStepBarrier() # let other threads go past the pool barrier, but wait at the thread gate
+            # let other threads go past the pool barrier, but wait at the
+            # thread gate
+            self.crossStepBarrier()
             self._stepBarrier.reset()  # Other worker threads should now be at the "gate"
 
             # At this point, all threads should be pass the overall "barrier" and before the per-thread "gate"
-            # We use this period to do house keeping work, when all worker threads are QUIET.
+            # We use this period to do house keeping work, when all worker
+            # threads are QUIET.
             hasAbortedTask = False
-            for task in self._executedTasks :
-                if task.isAborted() :
+            for task in self._executedTasks:
+                if task.isAborted():
                     print("Task aborted: {}".format(task))
                     hasAbortedTask = True
                     break
 
-            if hasAbortedTask : # do transition only if tasks are error free
+            if hasAbortedTask:  # do transition only if tasks are error free
                 self._execStats.registerFailure("Aborted Task Encountered")
             else:
                 try:
                     sm = self._dbManager.getStateMachine()
                     logger.debug("[STT] starting transitions")
-                    sm.transition(self._executedTasks) # at end of step, transiton the DB state
+                    # at end of step, transiton the DB state
+                    sm.transition(self._executedTasks)
                     logger.debug("[STT] transition ended")
-                    # Due to limitation (or maybe not) of the Python library, we cannot share connections across threads
-                    if sm.hasDatabase() :
+                    # Due to limitation (or maybe not) of the Python library,
+                    # we cannot share connections across threads
+                    if sm.hasDatabase():
                         for t in self._pool.threadList:
                             logger.debug("[DB] use db for all worker threads")
                             t.useDb()
-                            # t.execSql("use db") # main thread executing "use db" on behalf of every worker thread
+                            # t.execSql("use db") # main thread executing "use
+                            # db" on behalf of every worker thread
                 except taos.error.ProgrammingError as err:
-                    if ( err.msg == 'network unavailable' ): # broken DB connection
+                    if (err.msg == 'network unavailable'):  # broken DB connection
                         logger.info("DB connection broken, execution failed")
                         traceback.print_stack()
                         transitionFailed = True
                         self._te = None  # Not running any more
                         self._execStats.registerFailure("Broken DB Connection")
-                        # continue # don't do that, need to tap all threads at end, and maybe signal them to stop
+                        # continue # don't do that, need to tap all threads at
+                        # end, and maybe signal them to stop
                     else:
                         raise
             # finally:
@@ -301,14 +326,20 @@ class ThreadCoordinator:
             # Get ready for next step
             logger.debug("<-- Step {} finished".format(self._curStep))
             self._curStep += 1  # we are about to get into next step. TODO: race condition here!
-            logger.debug("\r\n\n--> Step {} starts with main thread waking up".format(self._curStep)) # Now not all threads had time to go to sleep
+            # Now not all threads had time to go to sleep
+            logger.debug(
+                "\r\n\n--> Step {} starts with main thread waking up".format(self._curStep))
 
             # A new TE for the new step
             if not transitionFailed:  # only if not failed
                 self._te = TaskExecutor(self._curStep)
 
-            logger.debug("[TRD] Main thread waking up at step {}, tapping worker threads".format(self._curStep)) # Now not all threads had time to go to sleep            
-            self.tapAllThreads() # Worker threads will wake up at this point, and each execute it's own task
+            logger.debug(
+                "[TRD] Main thread waking up at step {}, tapping worker threads".format(
+                    self._curStep))  # Now not all threads had time to go to sleep
+            # Worker threads will wake up at this point, and each execute it's
+            # own task
+            self.tapAllThreads()
 
         logger.debug("Main thread ready to finish up...")
         if not transitionFailed:  # only in regular situations
@@ -336,21 +367,24 @@ class ThreadCoordinator:
     def tapAllThreads(self):  # in a deterministic manner
         wakeSeq = []
         for i in range(self._pool.numThreads):  # generate a random sequence
-            if Dice.throw(2) == 1 :
+            if Dice.throw(2) == 1:
                 wakeSeq.append(i)
             else:
                 wakeSeq.insert(0, i)
-        logger.debug("[TRD] Main thread waking up worker threads: {}".format(str(wakeSeq)))
+        logger.debug(
+            "[TRD] Main thread waking up worker threads: {}".format(
+                str(wakeSeq)))
         # TODO: set dice seed to a deterministic value
         for i in wakeSeq:
-            self._pool.threadList[i].tapStepGate() # TODO: maybe a bit too deep?!
+            # TODO: maybe a bit too deep?!
+            self._pool.threadList[i].tapStepGate()
             time.sleep(0)  # yield
 
     def isRunning(self):
-        return self._te != None
+        return self._te is not None
 
-    def fetchTask(self) -> Task :
-        if ( not self.isRunning() ): # no task
+    def fetchTask(self) -> Task:
+        if (not self.isRunning()):  # no task
             raise RuntimeError("Cannot fetch task when not running")
         # return self._wd.pickTask()
         # Alternatively, let's ask the DbState for the appropriate task
@@ -361,8 +395,11 @@ class ThreadCoordinator:
         # logger.debug(" (dice:{}/{}) ".format(i, nTasks))
         # # return copy.copy(tasks[i]) # Needs a fresh copy, to save execution results, etc.
         # return tasks[i].clone() # TODO: still necessary?
-        taskType = self.getDbManager().getStateMachine().pickTaskType() # pick a task type for current state
-        return taskType(self.getDbManager(), self._execStats) # create a task from it
+        # pick a task type for current state
+        taskType = self.getDbManager().getStateMachine().pickTaskType()
+        return taskType(
+            self.getDbManager(),
+            self._execStats)  # create a task from it
 
     def resetExecutedTasks(self):
         self._executedTasks = []  # should be under single thread
@@ -372,6 +409,8 @@ class ThreadCoordinator:
             self._executedTasks.append(task)
 
 # We define a class to run a number of threads in locking steps.
+
+
 class ThreadPool:
     def __init__(self, numThreads, maxSteps):
         self.numThreads = numThreads
@@ -394,6 +433,8 @@ class ThreadPool:
 
 # A queue of continguous POSITIVE integers, used by DbManager to generate continuous numbers
 # for new table names
+
+
 class LinearQueue():
     def __init__(self):
         self.firstIndex = 1  # 1st ever element
@@ -402,7 +443,8 @@ class LinearQueue():
         self.inUse = set()  # the indexes that are in use right now
 
     def toText(self):
-        return "[{}..{}], in use: {}".format(self.firstIndex, self.lastIndex, self.inUse)
+        return "[{}..{}], in use: {}".format(
+            self.firstIndex, self.lastIndex, self.inUse)
 
     # Push (add new element, largest) to the tail, and mark it in use
     def push(self):
@@ -418,12 +460,12 @@ class LinearQueue():
 
     def pop(self):
         with self._lock:
-            if ( self.isEmpty() ): 
+            if (self.isEmpty()):
                 # raise RuntimeError("Cannot pop an empty queue")
                 return False  # TODO: None?
 
             index = self.firstIndex
-            if ( index in self.inUse ):
+            if (index in self.inUse):
                 return False
 
             self.firstIndex += 1
@@ -441,8 +483,9 @@ class LinearQueue():
     def allocate(self, i):
         with self._lock:
             # logger.debug("LQ allocating item {}".format(i))
-            if ( i in self.inUse ):
-                raise RuntimeError("Cannot re-use same index in queue: {}".format(i))
+            if (i in self.inUse):
+                raise RuntimeError(
+                    "Cannot re-use same index in queue: {}".format(i))
             self.inUse.add(i)
 
     def release(self, i):
@@ -454,20 +497,21 @@ class LinearQueue():
         return self.lastIndex + 1 - self.firstIndex
 
     def pickAndAllocate(self):
-        if ( self.isEmpty() ):
+        if (self.isEmpty()):
             return None
         with self._lock:
             cnt = 0  # counting the interations
             while True:
                 cnt += 1
-                if ( cnt > self.size()*10 ): # 10x iteration already
+                if (cnt > self.size() * 10):  # 10x iteration already
                     # raise RuntimeError("Failed to allocate LinearQueue element")
                     return None
-                ret = Dice.throwRange(self.firstIndex, self.lastIndex+1)
-                if ( not ret in self.inUse ):
+                ret = Dice.throwRange(self.firstIndex, self.lastIndex + 1)
+                if (ret not in self.inUse):
                     self.allocate(ret)
                     return ret
 
+
 class DbConn:
     TYPE_NATIVE = "native-c"
     TYPE_REST = "rest-api"
@@ -480,7 +524,8 @@ class DbConn:
         elif connType == cls.TYPE_REST:
             return DbConnRest()
         else:
-            raise RuntimeError("Unexpected connection type: {}".format(connType))
+            raise RuntimeError(
+                "Unexpected connection type: {}".format(connType))
 
     @classmethod
     def createNative(cls):
@@ -495,18 +540,21 @@ class DbConn:
         self._type = self.TYPE_INVALID
 
     def open(self):
-        if ( self.isOpen ):
+        if (self.isOpen):
             raise RuntimeError("Cannot re-open an existing DB connection")
 
         # below implemented by child classes
         self.openByType()
 
-        logger.debug("[DB] data connection opened, type = {}".format(self._type))
+        logger.debug(
+            "[DB] data connection opened, type = {}".format(
+                self._type))
         self.isOpen = True
 
     def resetDb(self):  # reset the whole database, etc.
-        if ( not self.isOpen ):
-            raise RuntimeError("Cannot reset database until connection is open")
+        if (not self.isOpen):
+            raise RuntimeError(
+                "Cannot reset database until connection is open")
         # self._tdSql.prepare() # Recreate database, etc.
 
         self.execute('drop database if exists db')
@@ -515,34 +563,44 @@ class DbConn:
         # self._cursor.execute('use db')
         # tdSql.execute('show databases')
 
-    def queryScalar(self, sql) -> int :
+    def queryScalar(self, sql) -> int:
         return self._queryAny(sql)
 
-    def queryString(self, sql) -> str :
+    def queryString(self, sql) -> str:
         return self._queryAny(sql)
 
-    def _queryAny(self, sql) : # actual query result as an int
-        if ( not self.isOpen ):
-            raise RuntimeError("Cannot query database until connection is open")
+    def _queryAny(self, sql):  # actual query result as an int
+        if (not self.isOpen):
+            raise RuntimeError(
+                "Cannot query database until connection is open")
         nRows = self.query(sql)
-        if nRows != 1 :
-            raise RuntimeError("Unexpected result for query: {}, rows = {}".format(sql, nRows))
+        if nRows != 1:
+            raise RuntimeError(
+                "Unexpected result for query: {}, rows = {}".format(
+                    sql, nRows))
         if self.getResultRows() != 1 or self.getResultCols() != 1:
-            raise RuntimeError("Unexpected result set for query: {}".format(sql))
+            raise RuntimeError(
+                "Unexpected result set for query: {}".format(sql))
         return self.getQueryResult()[0][0]
 
     def execute(self, sql):
         raise RuntimeError("Unexpected execution, should be overriden")
+
     def openByType(self):
         raise RuntimeError("Unexpected execution, should be overriden")
+
     def getQueryResult(self):
         raise RuntimeError("Unexpected execution, should be overriden")
+
     def getResultRows(self):
         raise RuntimeError("Unexpected execution, should be overriden")
+
     def getResultCols(self):
         raise RuntimeError("Unexpected execution, should be overriden")
 
 # Sample: curl -u root:taosdata -d "show databases" localhost:6020/rest/sql
+
+
 class DbConnRest(DbConn):
     def __init__(self):
         super().__init__()
@@ -554,44 +612,50 @@ class DbConnRest(DbConn):
         pass  # do nothing, always open
 
     def close(self):
-        if ( not self.isOpen ):
-            raise RuntimeError("Cannot clean up database until connection is open")
+        if (not self.isOpen):
+            raise RuntimeError(
+                "Cannot clean up database until connection is open")
         # Do nothing for REST
         logger.debug("[DB] REST Database connection closed")
         self.isOpen = False
 
     def _doSql(self, sql):
         r = requests.post(self._url,
-            data = sql,
-            auth = HTTPBasicAuth('root', 'taosdata'))
+                          data=sql,
+                          auth=HTTPBasicAuth('root', 'taosdata'))
         rj = r.json()
         # Sanity check for the "Json Result"
-        if (not 'status' in rj):
+        if ('status' not in rj):
             raise RuntimeError("No status in REST response")
 
         if rj['status'] == 'error':  # clearly reported error
-            if (not 'code' in rj): # error without code
+            if ('code' not in rj):  # error without code
                 raise RuntimeError("REST error return without code")
             errno = rj['code']  # May need to massage this in the future
             # print("Raising programming error with REST return: {}".format(rj))
-            raise taos.error.ProgrammingError(rj['desc'], errno) # todo: check existance of 'desc'
+            raise taos.error.ProgrammingError(
+                rj['desc'], errno)  # todo: check existance of 'desc'
 
         if rj['status'] != 'succ':  # better be this
-            raise RuntimeError("Unexpected REST return status: {}".format(rj['status']))
+            raise RuntimeError(
+                "Unexpected REST return status: {}".format(
+                    rj['status']))
 
         nRows = rj['rows'] if ('rows' in rj) else 0
         self._result = rj
         return nRows
 
     def execute(self, sql):
-        if ( not self.isOpen ):
-            raise RuntimeError("Cannot execute database commands until connection is open")
+        if (not self.isOpen):
+            raise RuntimeError(
+                "Cannot execute database commands until connection is open")
         logger.debug("[SQL-REST] Executing SQL: {}".format(sql))
         nRows = self._doSql(sql)
-        logger.debug("[SQL-REST] Execution Result, nRows = {}, SQL = {}".format(nRows, sql))
+        logger.debug(
+            "[SQL-REST] Execution Result, nRows = {}, SQL = {}".format(nRows, sql))
         return nRows
 
-    def query(self, sql) :  # return rows affected
+    def query(self, sql):  # return rows affected
         return self.execute(sql)
 
     def getQueryResult(self):
@@ -606,6 +670,50 @@ class DbConnRest(DbConn):
         print(self._result)
         raise RuntimeError("TBD")
 
+    # Duplicate code from TDMySQL, TODO: merge all this into DbConnNative
+
+
+class MyTDSql:
+    def __init__(self):
+        self.queryRows = 0
+        self.queryCols = 0
+        self.affectedRows = 0
+
+    def init(self, cursor, log=True):
+        self.cursor = cursor
+        # if (log):
+        #     caller = inspect.getframeinfo(inspect.stack()[1][0])
+        #     self.cursor.log(caller.filename + ".sql")
+
+    def close(self):
+        self.cursor.close()
+
+    def query(self, sql):
+        self.sql = sql
+        try:
+            self.cursor.execute(sql)
+            self.queryResult = self.cursor.fetchall()
+            self.queryRows = len(self.queryResult)
+            self.queryCols = len(self.cursor.description)
+        except Exception as e:
+            # caller = inspect.getframeinfo(inspect.stack()[1][0])
+            # args = (caller.filename, caller.lineno, sql, repr(e))
+            # tdLog.exit("%s(%d) failed: sql:%s, %s" % args)
+            raise
+        return self.queryRows
+
+    def execute(self, sql):
+        self.sql = sql
+        try:
+            self.affectedRows = self.cursor.execute(sql)
+        except Exception as e:
+            # caller = inspect.getframeinfo(inspect.stack()[1][0])
+            # args = (caller.filename, caller.lineno, sql, repr(e))
+            # tdLog.exit("%s(%d) failed: sql:%s, %s" % args)
+            raise
+        return self.affectedRows
+
+
 class DbConnNative(DbConn):
     def __init__(self):
         super().__init__()
@@ -613,40 +721,65 @@ class DbConnNative(DbConn):
         self._conn = None
         self._cursor = None
 
+    def getBuildPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("communit")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+
+        for root, dirs, files in os.walk(projPath):
+            if ("taosd" in files):
+                rootRealPath = os.path.dirname(os.path.realpath(root))
+                if ("packaging" not in rootRealPath):
+                    buildPath = root[:len(root) - len("/build/bin")]
+                    break
+        return buildPath
+
     def openByType(self):  # Open connection
-        cfgPath = "../../build/test/cfg" 
-        self._conn = taos.connect(host="127.0.0.1", config=cfgPath) # TODO: make configurable
+        cfgPath = self.getBuildPath() + "/test/cfg"
+        self._conn = taos.connect(
+            host="127.0.0.1",
+            config=cfgPath)  # TODO: make configurable
         self._cursor = self._conn.cursor()
 
         # Get the connection/cursor ready
         self._cursor.execute('reset query cache')
-        # self._cursor.execute('use db') # do this at the beginning of every step
+        # self._cursor.execute('use db') # do this at the beginning of every
+        # step
 
         # Open connection
-        self._tdSql = TDSql()
+        self._tdSql = MyTDSql()
         self._tdSql.init(self._cursor)
 
     def close(self):
-        if ( not self.isOpen ):
-            raise RuntimeError("Cannot clean up database until connection is open")
+        if (not self.isOpen):
+            raise RuntimeError(
+                "Cannot clean up database until connection is open")
         self._tdSql.close()
         logger.debug("[DB] Database connection closed")
         self.isOpen = False
 
     def execute(self, sql):
-        if ( not self.isOpen ):
-            raise RuntimeError("Cannot execute database commands until connection is open")
+        if (not self.isOpen):
+            raise RuntimeError(
+                "Cannot execute database commands until connection is open")
         logger.debug("[SQL] Executing SQL: {}".format(sql))
         nRows = self._tdSql.execute(sql)
-        logger.debug("[SQL] Execution Result, nRows = {}, SQL = {}".format(nRows, sql))
+        logger.debug(
+            "[SQL] Execution Result, nRows = {}, SQL = {}".format(
+                nRows, sql))
         return nRows
 
-    def query(self, sql) :  # return rows affected
-        if ( not self.isOpen ):
-            raise RuntimeError("Cannot query database until connection is open")
+    def query(self, sql):  # return rows affected
+        if (not self.isOpen):
+            raise RuntimeError(
+                "Cannot query database until connection is open")
         logger.debug("[SQL] Executing SQL: {}".format(sql))
         nRows = self._tdSql.query(sql)
-        logger.debug("[SQL] Query Result, nRows = {}, SQL = {}".format(nRows, sql))
+        logger.debug(
+            "[SQL] Query Result, nRows = {}, SQL = {}".format(
+                nRows, sql))
         return nRows
         # results are in: return self._tdSql.queryResult
 
@@ -680,7 +813,8 @@ class AnyState:
         self._info = self.getInfo()
 
     def __str__(self):
-        return self._stateNames[self._info[self.STATE_VAL_IDX] + 1] # -1 hack to accomodate the STATE_INVALID case
+        # -1 hack to accomodate the STATE_INVALID case
+        return self._stateNames[self._info[self.STATE_VAL_IDX] + 1]
 
     def getInfo(self):
         raise RuntimeError("Must be overriden by child classes")
@@ -691,7 +825,9 @@ class AnyState:
         elif isinstance(other, AnyState):
             return self.getValIndex() == other.getValIndex()
         else:
-            raise RuntimeError("Unexpected comparison, type = {}".format(type(other)))
+            raise RuntimeError(
+                "Unexpected comparison, type = {}".format(
+                    type(other)))
 
     def verifyTasksToState(self, tasks, newState):
         raise RuntimeError("Must be overriden by child classes")
@@ -701,55 +837,65 @@ class AnyState:
 
     def getValue(self):
         return self._info[self.STATE_VAL_IDX]
+
     def canCreateDb(self):
         return self._info[self.CAN_CREATE_DB]
+
     def canDropDb(self):
         return self._info[self.CAN_DROP_DB]
+
     def canCreateFixedSuperTable(self):
         return self._info[self.CAN_CREATE_FIXED_SUPER_TABLE]
+
     def canDropFixedSuperTable(self):
         return self._info[self.CAN_DROP_FIXED_SUPER_TABLE]
+
     def canAddData(self):
         return self._info[self.CAN_ADD_DATA]
+
     def canReadData(self):
         return self._info[self.CAN_READ_DATA]
 
     def assertAtMostOneSuccess(self, tasks, cls):
         sCnt = 0
-        for task in tasks :
+        for task in tasks:
             if not isinstance(task, cls):
                 continue
             if task.isSuccess():
                 # task.logDebug("Task success found")
                 sCnt += 1
-                if ( sCnt >= 2 ):
-                    raise RuntimeError("Unexpected more than 1 success with task: {}".format(cls))
+                if (sCnt >= 2):
+                    raise RuntimeError(
+                        "Unexpected more than 1 success with task: {}".format(cls))
 
     def assertIfExistThenSuccess(self, tasks, cls):
         sCnt = 0
         exists = False
-        for task in tasks :
+        for task in tasks:
             if not isinstance(task, cls):
                 continue
             exists = True  # we have a valid instance
             if task.isSuccess():
                 sCnt += 1
-        if ( exists and sCnt <= 0 ):
-            raise RuntimeError("Unexpected zero success for task: {}".format(cls))
+        if (exists and sCnt <= 0):
+            raise RuntimeError(
+                "Unexpected zero success for task: {}".format(cls))
 
     def assertNoTask(self, tasks, cls):
-        for task in tasks :
+        for task in tasks:
             if isinstance(task, cls):
-                raise CrashGenError("This task: {}, is not expected to be present, given the success/failure of others".format(cls.__name__))
+                raise CrashGenError(
+                    "This task: {}, is not expected to be present, given the success/failure of others".format(cls.__name__))
 
     def assertNoSuccess(self, tasks, cls):
-        for task in tasks :
+        for task in tasks:
             if isinstance(task, cls):
                 if task.isSuccess():
-                    raise RuntimeError("Unexpected successful task: {}".format(cls))
+                    raise RuntimeError(
+                        "Unexpected successful task: {}".format(cls))
 
     def hasSuccess(self, tasks, cls):
-        for task in tasks :
+        for task in tasks:
             if not isinstance(task, cls):
                 continue
             if task.isSuccess():
@@ -757,11 +903,12 @@ class AnyState:
         return False
 
     def hasTask(self, tasks, cls):
-        for task in tasks :
+        for task in tasks:
             if isinstance(task, cls):
                 return True
         return False
 
+
 class StateInvalid(AnyState):
     def getInfo(self):
         return [
@@ -773,6 +920,7 @@ class StateInvalid(AnyState):
 
     # def verifyTasksToState(self, tasks, newState):
 
+
 class StateEmpty(AnyState):
     def getInfo(self):
         return [
@@ -783,9 +931,12 @@ class StateEmpty(AnyState):
         ]
 
     def verifyTasksToState(self, tasks, newState):
-        if ( self.hasSuccess(tasks, TaskCreateDb) ): # at EMPTY, if there's succes in creating DB
-            if ( not self.hasTask(tasks, TaskDropDb) ) : # and no drop_db tasks
-                self.assertAtMostOneSuccess(tasks, TaskCreateDb) # we must have at most one. TODO: compare numbers
+        if (self.hasSuccess(tasks, TaskCreateDb)
+                ):  # at EMPTY, if there's succes in creating DB
+            if (not self.hasTask(tasks, TaskDropDb)):  # and no drop_db tasks
+                # we must have at most one. TODO: compare numbers
+                self.assertAtMostOneSuccess(tasks, TaskCreateDb)
+
 
 class StateDbOnly(AnyState):
     def getInfo(self):
@@ -797,8 +948,9 @@ class StateDbOnly(AnyState):
         ]
 
     def verifyTasksToState(self, tasks, newState):
-        if ( not self.hasTask(tasks, TaskCreateDb) ):
-            self.assertAtMostOneSuccess(tasks, TaskDropDb) # only if we don't create any more
+        if (not self.hasTask(tasks, TaskCreateDb)):
+            # only if we don't create any more
+            self.assertAtMostOneSuccess(tasks, TaskDropDb)
         self.assertIfExistThenSuccess(tasks, TaskDropDb)
         # self.assertAtMostOneSuccess(tasks, CreateFixedTableTask) # not true in massively parrallel cases
         # Nothing to be said about adding data task
@@ -823,6 +975,7 @@ class StateDbOnly(AnyState):
         #     # raise RuntimeError("Unexpected no-success scenario")   # We might just landed all failure tasks,
         #     self._state = self.STATE_DB_ONLY  # no change
 
+
 class StateSuperTableOnly(AnyState):
     def getInfo(self):
         return [
@@ -833,9 +986,11 @@ class StateSuperTableOnly(AnyState):
         ]
 
     def verifyTasksToState(self, tasks, newState):
-        if ( self.hasSuccess(tasks, TaskDropSuperTable) ): # we are able to drop the table
+        if (self.hasSuccess(tasks, TaskDropSuperTable)
+                ):  # we are able to drop the table
             #self.assertAtMostOneSuccess(tasks, TaskDropSuperTable)
-            self.hasSuccess(tasks, TaskCreateSuperTable) # we must have had recreted it
+            # we must have had recreted it
+            self.hasSuccess(tasks, TaskCreateSuperTable)
 
             # self._state = self.STATE_DB_ONLY
         # elif ( self.hasSuccess(tasks, AddFixedDataTask) ): # no success dropping the table, but added data
@@ -849,6 +1004,7 @@ class StateSuperTableOnly(AnyState):
         #     raise RuntimeError("Unexpected no-success scenarios")
         # TODO: need to revamp!!
 
+
 class StateHasData(AnyState):
     def getInfo(self):
         return [
@@ -859,13 +1015,15 @@ class StateHasData(AnyState):
         ]
 
     def verifyTasksToState(self, tasks, newState):
-        if ( newState.equals(AnyState.STATE_EMPTY) ):
+        if (newState.equals(AnyState.STATE_EMPTY)):
             self.hasSuccess(tasks, TaskDropDb)
-            if ( not self.hasTask(tasks, TaskCreateDb) ) : 
+            if (not self.hasTask(tasks, TaskCreateDb)):
                 self.assertAtMostOneSuccess(tasks, TaskDropDb)  # TODO: dicy
-        elif ( newState.equals(AnyState.STATE_DB_ONLY) ): # in DB only
-            if ( not self.hasTask(tasks, TaskCreateDb)): # without a create_db task
-                self.assertNoTask(tasks, TaskDropDb) # we must have drop_db task
+        elif (newState.equals(AnyState.STATE_DB_ONLY)):  # in DB only
+            if (not self.hasTask(tasks, TaskCreateDb)
+                ):  # without a create_db task
+                # we must have drop_db task
+                self.assertNoTask(tasks, TaskDropDb)
             self.hasSuccess(tasks, TaskDropSuperTable)
             # self.assertAtMostOneSuccess(tasks, DropFixedSuperTableTask) # TODO: dicy
         # elif ( newState.equals(AnyState.STATE_TABLE_ONLY) ): # data deleted
@@ -874,17 +1032,24 @@ class StateHasData(AnyState):
             # self.assertNoTask(tasks, TaskAddData)
             # self.hasSuccess(tasks, DeleteDataTasks)
         else:  # should be STATE_HAS_DATA
-            if (not self.hasTask(tasks, TaskCreateDb) ): # only if we didn't create one
-                self.assertNoTask(tasks, TaskDropDb) # we shouldn't have dropped it
-            if (not self.hasTask(tasks, TaskCreateSuperTable)) :  # if we didn't create the table
-                self.assertNoTask(tasks, TaskDropSuperTable) # we should not have a task that drops it            
+            if (not self.hasTask(tasks, TaskCreateDb)
+                ):  # only if we didn't create one
+                # we shouldn't have dropped it
+                self.assertNoTask(tasks, TaskDropDb)
+            if (not self.hasTask(tasks, TaskCreateSuperTable)
+                    ):  # if we didn't create the table
+                # we should not have a task that drops it
+                self.assertNoTask(tasks, TaskDropSuperTable)
             # self.assertIfExistThenSuccess(tasks, ReadFixedDataTask)
 
+
 class StateMechine:
     def __init__(self, dbConn):
         self._dbConn = dbConn
         self._curState = self._findCurrentState()  # starting state
-        self._stateWeights = [1,3,5,15] # transitition target probabilities, indexed with value of STATE_EMPTY, STATE_DB_ONLY, etc.
+        # transitition target probabilities, indexed with value of STATE_EMPTY,
+        # STATE_DB_ONLY, etc.
+        self._stateWeights = [1, 3, 5, 15]
 
     def getCurrentState(self):
         return self._curState
@@ -906,129 +1071,165 @@ class StateMechine:
             # t = tc(self) # create task object
             if tc.canBeginFrom(self._curState):
                 firstTaskTypes.append(tc)
-        # now we have all the tasks that can begin directly from the current state, let's figure out the INDIRECT ones
+        # now we have all the tasks that can begin directly from the current
+        # state, let's figure out the INDIRECT ones
         taskTypes = firstTaskTypes.copy()  # have to have these
         for task1 in firstTaskTypes:  # each task type gathered so far
             endState = task1.getEndState()  # figure the end state
-            if endState == None: # does not change end state
+            if endState is None:  # does not change end state
                 continue  # no use, do nothing
             for tc in allTaskClasses:  # what task can further begin from there?
                 if tc.canBeginFrom(endState) and (tc not in firstTaskTypes):
                     taskTypes.append(tc)  # gather it
 
         if len(taskTypes) <= 0:
-            raise RuntimeError("No suitable task types found for state: {}".format(self._curState))   
-        logger.debug("[OPS] Tasks found for state {}: {}".format(self._curState, typesToStrings(taskTypes)))     
+            raise RuntimeError(
+                "No suitable task types found for state: {}".format(
+                    self._curState))
+        logger.debug(
+            "[OPS] Tasks found for state {}: {}".format(
+                self._curState,
+                typesToStrings(taskTypes)))
         return taskTypes
 
     def _findCurrentState(self):
         dbc = self._dbConn
         ts = time.time()  # we use this to debug how fast/slow it is to do the various queries to find the current DB state
-        if dbc.query("show databases") == 0 : # no database?!
+        if dbc.query("show databases") == 0:  # no database?!
             # logger.debug("Found EMPTY state")
-            logger.debug("[STT] empty database found, between {} and {}".format(ts, time.time()))
+            logger.debug(
+                "[STT] empty database found, between {} and {}".format(
+                    ts, time.time()))
             return StateEmpty()
-        dbc.execute("use db") # did not do this when openning connection, and this is NOT the worker thread, which does this on their own
-        if dbc.query("show tables") == 0 : # no tables
+        # did not do this when openning connection, and this is NOT the worker
+        # thread, which does this on their own
+        dbc.execute("use db")
+        if dbc.query("show tables") == 0:  # no tables
             # logger.debug("Found DB ONLY state")
-            logger.debug("[STT] DB_ONLY found, between {} and {}".format(ts, time.time()))
+            logger.debug(
+                "[STT] DB_ONLY found, between {} and {}".format(
+                    ts, time.time()))
             return StateDbOnly()
-        if dbc.query("SELECT * FROM db.{}".format(DbManager.getFixedSuperTableName()) ) == 0 : # no regular tables
+        if dbc.query("SELECT * FROM db.{}".format(DbManager.getFixedSuperTableName())
+                     ) == 0:  # no regular tables
             # logger.debug("Found TABLE_ONLY state")
-            logger.debug("[STT] SUPER_TABLE_ONLY found, between {} and {}".format(ts, time.time()))
+            logger.debug(
+                "[STT] SUPER_TABLE_ONLY found, between {} and {}".format(
+                    ts, time.time()))
             return StateSuperTableOnly()
         else:  # has actual tables
             # logger.debug("Found HAS_DATA state")
-            logger.debug("[STT] HAS_DATA found, between {} and {}".format(ts, time.time()))
+            logger.debug(
+                "[STT] HAS_DATA found, between {} and {}".format(
+                    ts, time.time()))
             return StateHasData()
 
     def transition(self, tasks):
-        if ( len(tasks) == 0 ): # before 1st step, or otherwise empty
+        if (len(tasks) == 0):  # before 1st step, or otherwise empty
             logger.debug("[STT] Starting State: {}".format(self._curState))
             return  # do nothing
 
-        self._dbConn.execute("show dnodes") # this should show up in the server log, separating steps
+        # this should show up in the server log, separating steps
+        self._dbConn.execute("show dnodes")
 
         # Generic Checks, first based on the start state
         if self._curState.canCreateDb():
             self._curState.assertIfExistThenSuccess(tasks, TaskCreateDb)
-            # self.assertAtMostOneSuccess(tasks, CreateDbTask) # not really, in case of multiple creation and drops
+            # self.assertAtMostOneSuccess(tasks, CreateDbTask) # not really, in
+            # case of multiple creation and drops
 
         if self._curState.canDropDb():
             self._curState.assertIfExistThenSuccess(tasks, TaskDropDb)
-            # self.assertAtMostOneSuccess(tasks, DropDbTask) # not really in case of drop-create-drop
+            # self.assertAtMostOneSuccess(tasks, DropDbTask) # not really in
+            # case of drop-create-drop
 
         # if self._state.canCreateFixedTable():
             # self.assertIfExistThenSuccess(tasks, CreateFixedTableTask) # Not true, DB may be dropped
-            # self.assertAtMostOneSuccess(tasks, CreateFixedTableTask) # not really, in case of create-drop-create
+            # self.assertAtMostOneSuccess(tasks, CreateFixedTableTask) # not
+            # really, in case of create-drop-create
 
         # if self._state.canDropFixedTable():
             # self.assertIfExistThenSuccess(tasks, DropFixedTableTask) # Not True, the whole DB may be dropped
-            # self.assertAtMostOneSuccess(tasks, DropFixedTableTask) # not really in case of drop-create-drop
+            # self.assertAtMostOneSuccess(tasks, DropFixedTableTask) # not
+            # really in case of drop-create-drop
 
         # if self._state.canAddData():
-        #     self.assertIfExistThenSuccess(tasks, AddFixedDataTask)  # not true actually
+        # self.assertIfExistThenSuccess(tasks, AddFixedDataTask)  # not true
+        # actually
 
         # if self._state.canReadData():
             # Nothing for sure
 
         newState = self._findCurrentState()
         logger.debug("[STT] New DB state determined: {}".format(newState))
-        self._curState.verifyTasksToState(tasks, newState) # can old state move to new state through the tasks?
+        # can old state move to new state through the tasks?
+        self._curState.verifyTasksToState(tasks, newState)
         self._curState = newState
 
     def pickTaskType(self):
-        taskTypes = self.getTaskTypes() # all the task types we can choose from at curent state
+        # all the task types we can choose from at curent state
+        taskTypes = self.getTaskTypes()
         weights = []
         for tt in taskTypes:
             endState = tt.getEndState()
-            if endState != None :
-                weights.append(self._stateWeights[endState.getValIndex()]) # TODO: change to a method
+            if endState is not None:
+                # TODO: change to a method
+                weights.append(self._stateWeights[endState.getValIndex()])
             else:
-                weights.append(10) # read data task, default to 10: TODO: change to a constant
+                # read data task, default to 10: TODO: change to a constant
+                weights.append(10)
         i = self._weighted_choice_sub(weights)
         # logger.debug(" (weighted random:{}/{}) ".format(i, len(taskTypes)))
         return taskTypes[i]
 
-    def _weighted_choice_sub(self, weights): # ref: https://eli.thegreenplace.net/2010/01/22/weighted-random-generation-in-python/
-        rnd = random.random() * sum(weights) # TODO: use our dice to ensure it being determinstic?
+    # ref:
+    # https://eli.thegreenplace.net/2010/01/22/weighted-random-generation-in-python/
+    def _weighted_choice_sub(self, weights):
+        # TODO: use our dice to ensure it being determinstic?
+        rnd = random.random() * sum(weights)
         for i, w in enumerate(weights):
             rnd -= w
             if rnd < 0:
                 return i
 
 # Manager of the Database Data/Connection
+
+
 class DbManager():
-    def __init__(self, resetDb = True):
+    def __init__(self, resetDb=True):
         self.tableNumQueue = LinearQueue()
-        self._lastTick = self.setupLastTick() # datetime.datetime(2019, 1, 1) # initial date time tick
+        # datetime.datetime(2019, 1, 1) # initial date time tick
+        self._lastTick = self.setupLastTick()
         self._lastInt = 0  # next one is initial integer
         self._lock = threading.RLock()
 
         # self.openDbServerConnection()
-        self._dbConn = DbConn.createNative() if (gConfig.connector_type=='native') else DbConn.createRest()
+        self._dbConn = DbConn.createNative() if (
+            gConfig.connector_type == 'native') else DbConn.createRest()
         try:
             self._dbConn.open()  # may throw taos.error.ProgrammingError: disconnected
         except taos.error.ProgrammingError as err:
             # print("Error type: {}, msg: {}, value: {}".format(type(err), err.msg, err))
-            if ( err.msg == 'client disconnected' ): # cannot open DB connection
-                print("Cannot establish DB connection, please re-run script without parameter, and follow the instructions.")
+            if (err.msg == 'client disconnected'):  # cannot open DB connection
+                print(
+                    "Cannot establish DB connection, please re-run script without parameter, and follow the instructions.")
                 sys.exit(2)
             else:
                 raise
-        except:
+        except BaseException:
             print("[=] Unexpected exception")
             raise
 
-        if resetDb :
+        if resetDb:
             self._dbConn.resetDb()  # drop and recreate DB
 
-        self._stateMachine = StateMechine(self._dbConn) # Do this after dbConn is in proper shape
+        # Do this after dbConn is in proper shape
+        self._stateMachine = StateMechine(self._dbConn)
 
     def getDbConn(self):
         return self._dbConn
 
-    def getStateMachine(self) -> StateMechine :
+    def getStateMachine(self) -> StateMechine:
         return self._stateMachine
 
     # def getState(self):
@@ -1043,11 +1244,14 @@ class DbManager():
     def setupLastTick(self):
         t1 = datetime.datetime(2020, 6, 1)
         t2 = datetime.datetime.now()
-        elSec = int(t2.timestamp() - t1.timestamp()) # maybe a very large number, takes 69 years to exceed Python int range
-        elSec2 = (  elSec % (8 * 12 * 30 * 24 * 60 * 60 / 500 ) ) * 500 # a number representing seconds within 10 years
+        # maybe a very large number, takes 69 years to exceed Python int range
+        elSec = int(t2.timestamp() - t1.timestamp())
+        elSec2 = (elSec % (8 * 12 * 30 * 24 * 60 * 60 / 500)) * \
+            500  # a number representing seconds within 10 years
         # print("elSec = {}".format(elSec))
         t3 = datetime.datetime(2012, 1, 1)  # default "keep" is 10 years
-        t4 = datetime.datetime.fromtimestamp( t3.timestamp() + elSec2) # see explanation above
+        t4 = datetime.datetime.fromtimestamp(
+            t3.timestamp() + elSec2)  # see explanation above
         logger.info("Setting up TICKS to start from: {}".format(t4))
         return t4
 
@@ -1068,10 +1272,11 @@ class DbManager():
 
     def getNextTick(self):
         with self._lock:  # prevent duplicate tick
-            if Dice.throw(10) == 0 : # 1 in 10 chance
+            if Dice.throw(10) == 0:  # 1 in 10 chance
                 return self._lastTick + datetime.timedelta(0, -100)
             else:  # regular
-                self._lastTick += datetime.timedelta(0, 1) # add one second to it
+                # add one second to it
+                self._lastTick += datetime.timedelta(0, 1)
                 return self._lastTick
 
     def getNextInt(self):
@@ -1080,14 +1285,15 @@ class DbManager():
             return self._lastInt
 
     def getNextBinary(self):
-        return "Beijing_Shanghai_Los_Angeles_New_York_San_Francisco_Chicago_Beijing_Shanghai_Los_Angeles_New_York_San_Francisco_Chicago_{}".format(self.getNextInt())
+        return "Beijing_Shanghai_Los_Angeles_New_York_San_Francisco_Chicago_Beijing_Shanghai_Los_Angeles_New_York_San_Francisco_Chicago_{}".format(
+            self.getNextInt())
 
     def getNextFloat(self):
         return 0.9 + self.getNextInt()
 
     def getTableNameToDelete(self):
         tblNum = self.tableNumQueue.pop()  # TODO: race condition!
-        if ( not tblNum ): # maybe false
+        if (not tblNum):  # maybe false
             return False
 
         return "table_{}".format(tblNum)
@@ -1095,13 +1301,14 @@ class DbManager():
     def cleanUp(self):
         self._dbConn.close()
 
+
 class TaskExecutor():
     class BoundedList:
-        def __init__(self, size = 10):
+        def __init__(self, size=10):
             self._size = size
             self._list = []
 
-        def add(self, n: int) :
+        def add(self, n: int):
             if not self._list:  # empty
                 self._list.append(n)
                 return
@@ -1110,22 +1317,22 @@ class TaskExecutor():
             insPos = 0
             for i in range(nItems):
                 insPos = i
-                if n <= self._list[i] : # smaller than this item, time to insert
+                if n <= self._list[i]:  # smaller than this item, time to insert
                     break  # found the insertion point
                 insPos += 1  # insert to the right
 
-            if insPos == 0 : # except for the 1st item, # TODO: elimiate first item as gating item
+            if insPos == 0:  # except for the 1st item, # TODO: elimiate first item as gating item
                 return  # do nothing
 
             # print("Inserting at postion {}, value: {}".format(insPos, n))
             self._list.insert(insPos, n)  # insert
 
             newLen = len(self._list)
-            if newLen <= self._size :
+            if newLen <= self._size:
                 return  # do nothing
-            elif newLen == (self._size + 1) :                
+            elif newLen == (self._size + 1):
                 del self._list[0]  # remove the first item
-            else :
+            else:
                 raise RuntimeError("Corrupt Bounded List")
 
         def __str__(self):
@@ -1156,6 +1363,7 @@ class TaskExecutor():
     # def logDebug(self, msg):
     #     logger.debug("    T[{}.x]: ".format(self._curStep) + msg)
 
+
 class Task():
     taskSn = 100
 
@@ -1181,7 +1389,7 @@ class Task():
         self._lastSql = ""  # last SQL executed/attempted
 
     def isSuccess(self):
-        return self._err == None
+        return self._err is None
 
     def isAborted(self):
         return self._aborted
@@ -1191,13 +1399,19 @@ class Task():
         return newTask
 
     def logDebug(self, msg):
-        self._workerThread.logDebug("Step[{}.{}] {}".format(self._curStep, self._taskNum, msg))
+        self._workerThread.logDebug(
+            "Step[{}.{}] {}".format(
+                self._curStep, self._taskNum, msg))
 
     def logInfo(self, msg):
-        self._workerThread.logInfo("Step[{}.{}] {}".format(self._curStep, self._taskNum, msg))
+        self._workerThread.logInfo(
+            "Step[{}.{}] {}".format(
+                self._curStep, self._taskNum, msg))
 
     def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
-        raise RuntimeError("To be implemeted by child classes, class name: {}".format(self.__class__.__name__))
+        raise RuntimeError(
+            "To be implemeted by child classes, class name: {}".format(
+                self.__class__.__name__))
 
     def execute(self, wt: WorkerThread):
         wt.verifyThreadSelf()
@@ -1205,52 +1419,71 @@ class Task():
 
         te = wt.getTaskExecutor()
         self._curStep = te.getCurStep()
-        self.logDebug("[-] executing task {}...".format(self.__class__.__name__))
+        self.logDebug(
+            "[-] executing task {}...".format(self.__class__.__name__))
 
         self._err = None
-        self._execStats.beginTaskType(self.__class__.__name__) # mark beginning
+        self._execStats.beginTaskType(
+            self.__class__.__name__)  # mark beginning
         try:
             self._executeInternal(te, wt)  # TODO: no return value?
         except taos.error.ProgrammingError as err:
-            errno2 = err.errno if (err.errno > 0) else 0x80000000 + err.errno # correct error scheme
-            if ( errno2 in [
+            errno2 = err.errno if (
+                err.errno > 0) else 0x80000000 + err.errno  # correct error scheme
+            if (gConfig.continue_on_exception):  # user choose to continue
+                self.logDebug(
+                    "[=] Continue after TAOS exception: errno=0x{:X}, msg: {}, SQL: {}".format(
+                        errno2, err, self._lastSql))
+                self._err = err
+            elif (errno2 in [
                 0x05,  # TSDB_CODE_RPC_NOT_READY
-                0x200, 0x360, 0x362, 0x36A, 0x36B, 0x36D, 0x381, 0x380, 0x383, 0x503, 
+                0x200, 0x360, 0x362, 0x36A, 0x36B, 0x36D,
+                0x381, 0x380, 0x383,
+                0x386,  # DB is being dropped?!
+                0x503,
                 0x510,  # vnode not in ready state
                 0x600,
                 1000  # REST catch-all error
-                ]) : # allowed errors
-                self.logDebug("[=] Acceptable Taos library exception: errno=0x{:X}, msg: {}, SQL: {}".format(errno2, err, self._lastSql))
+            ]):  # allowed errors
+                self.logDebug(
+                    "[=] Acceptable Taos library exception: errno=0x{:X}, msg: {}, SQL: {}".format(
+                        errno2, err, self._lastSql))
                 print("_", end="", flush=True)
                 self._err = err
             else:
-                errMsg = "[=] Unexpected Taos library exception: errno=0x{:X}, msg: {}, SQL: {}".format(errno2, err, self._lastSql)
+                errMsg = "[=] Unexpected Taos library exception: errno=0x{:X}, msg: {}, SQL: {}".format(
+                    errno2, err, self._lastSql)
                 self.logDebug(errMsg)
-                if gConfig.debug :
+                if gConfig.debug:
                     # raise # so that we see full stack
                     traceback.print_exc()
-                print("\n\n----------------------------\nProgram ABORTED Due to Unexpected TAOS Error: \n\n{}\n".format(errMsg) +
+                print(
+                    "\n\n----------------------------\nProgram ABORTED Due to Unexpected TAOS Error: \n\n{}\n".format(errMsg) +
                     "----------------------------\n")
                 # sys.exit(-1)
                 self._err = err
                 self._aborted = True
-        except Exception as e :
+        except Exception as e:
             self.logInfo("Non-TAOS exception encountered")
             self._err = e
             self._aborted = True
             traceback.print_exc()
-        except BaseException as e :
+        except BaseException as e:
             self.logInfo("Python base exception encountered")
             self._err = e
             self._aborted = True
             traceback.print_exc()
-        except :
-            self.logDebug("[=] Unexpected exception, SQL: {}".format(self._lastSql))
+        except BaseException:
+            self.logDebug(
+                "[=] Unexpected exception, SQL: {}".format(
+                    self._lastSql))
             raise
         self._execStats.endTaskType(self.__class__.__name__, self.isSuccess())
 
-        self.logDebug("[X] task execution completed, {}, status: {}".format(self.__class__.__name__, "Success" if self.isSuccess() else "Failure"))        
-        self._execStats.incExecCount(self.__class__.__name__, self.isSuccess()) # TODO: merge with above.
+        self.logDebug("[X] task execution completed, {}, status: {}".format(
+            self.__class__.__name__, "Success" if self.isSuccess() else "Failure"))
+        # TODO: merge with above.
+        self._execStats.incExecCount(self.__class__.__name__, self.isSuccess())
 
     def execSql(self, sql):
         self._lastSql = sql
@@ -1268,10 +1501,10 @@ class Task():
         return wt.getQueryResult()
 
 
-                  
 class ExecutionStats:
     def __init__(self):
-        self._execTimes: Dict[str, [int, int]] = {} # total/success times for a task
+        # total/success times for a task
+        self._execTimes: Dict[str, [int, int]] = {}
         self._tasksInProgress = 0
         self._lock = threading.Lock()
         self._firstTaskStartTime = None
@@ -1283,10 +1516,11 @@ class ExecutionStats:
         self._failureReason = None
 
     def __str__(self):
-        return "[ExecStats: _failed={}, _failureReason={}".format(self._failed, self._failureReason)
+        return "[ExecStats: _failed={}, _failureReason={}".format(
+            self._failed, self._failureReason)
 
     def isFailed(self):
-        return self._failed == True
+        return self._failed
 
     def startExec(self):
         self._execStartTime = time.time()
@@ -1304,14 +1538,14 @@ class ExecutionStats:
 
     def beginTaskType(self, klassName):
         with self._lock:
-            if self._tasksInProgress == 0 : # starting a new round
+            if self._tasksInProgress == 0:  # starting a new round
                 self._firstTaskStartTime = time.time()  # I am now the first task
             self._tasksInProgress += 1
 
     def endTaskType(self, klassName, isSuccess):
         with self._lock:
             self._tasksInProgress -= 1
-            if self._tasksInProgress == 0 : # all tasks have stopped
+            if self._tasksInProgress == 0:  # all tasks have stopped
                 self._accRunTime += (time.time() - self._firstTaskStartTime)
                 self._firstTaskStartTime = None
 
@@ -1320,23 +1554,36 @@ class ExecutionStats:
         self._failureReason = reason
 
     def printStats(self):
-        logger.info("----------------------------------------------------------------------")
-        logger.info("| Crash_Gen test {}, with the following stats:".
-            format("FAILED (reason: {})".format(self._failureReason) if self._failed else "SUCCEEDED"))
+        logger.info(
+            "----------------------------------------------------------------------")
+        logger.info(
+            "| Crash_Gen test {}, with the following stats:". format(
+                "FAILED (reason: {})".format(
+                    self._failureReason) if self._failed else "SUCCEEDED"))
         logger.info("| Task Execution Times (success/total):")
         execTimesAny = 0
         for k, n in self._execTimes.items():
             execTimesAny += n[0]
-            logger.info("|    {0:<24}: {1}/{2}".format(k,n[1],n[0]))
-                
-        logger.info("| Total Tasks Executed (success or not): {} ".format(execTimesAny))
-        logger.info("| Total Tasks In Progress at End: {}".format(self._tasksInProgress))
-        logger.info("| Total Task Busy Time (elapsed time when any task is in progress): {:.3f} seconds".format(self._accRunTime))
-        logger.info("| Average Per-Task Execution Time: {:.3f} seconds".format(self._accRunTime/execTimesAny))
-        logger.info("| Total Elapsed Time (from wall clock): {:.3f} seconds".format(self._elapsedTime))
-        logger.info("| Top numbers written: {}".format(TaskExecutor.getBoundedList()))
-        logger.info("----------------------------------------------------------------------")
-        
+            logger.info("|    {0:<24}: {1}/{2}".format(k, n[1], n[0]))
+
+        logger.info(
+            "| Total Tasks Executed (success or not): {} ".format(execTimesAny))
+        logger.info(
+            "| Total Tasks In Progress at End: {}".format(
+                self._tasksInProgress))
+        logger.info(
+            "| Total Task Busy Time (elapsed time when any task is in progress): {:.3f} seconds".format(
+                self._accRunTime))
+        logger.info(
+            "| Average Per-Task Execution Time: {:.3f} seconds".format(self._accRunTime / execTimesAny))
+        logger.info(
+            "| Total Elapsed Time (from wall clock): {:.3f} seconds".format(
+                self._elapsedTime))
+        logger.info(
+            "| Top numbers written: {}".format(
+                TaskExecutor.getBoundedList()))
+        logger.info(
+            "----------------------------------------------------------------------")
 
 
 class StateTransitionTask(Task):
@@ -1374,6 +1621,7 @@ class StateTransitionTask(Task):
     def execute(self, wt: WorkerThread):
         super().execute(wt)
 
+
 class TaskCreateDb(StateTransitionTask):
     @classmethod
     def getEndState(cls):
@@ -1386,6 +1634,7 @@ class TaskCreateDb(StateTransitionTask):
     def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
         self.execWtSql(wt, "create database db")
 
+
 class TaskDropDb(StateTransitionTask):
     @classmethod
     def getEndState(cls):
@@ -1399,6 +1648,7 @@ class TaskDropDb(StateTransitionTask):
         self.execWtSql(wt, "drop database db")
         logger.debug("[OPS] database dropped at {}".format(time.time()))
 
+
 class TaskCreateSuperTable(StateTransitionTask):
     @classmethod
     def getEndState(cls):
@@ -1415,8 +1665,11 @@ class TaskCreateSuperTable(StateTransitionTask):
 
         tblName = self._dbManager.getFixedSuperTableName()
         # wt.execSql("use db")    # should always be in place
-        self.execWtSql(wt, "create table db.{} (ts timestamp, speed int) tags (b binary(200), f float) ".format(tblName))
-        # No need to create the regular tables, INSERT will do that automatically
+        self.execWtSql(
+            wt,
+            "create table db.{} (ts timestamp, speed int) tags (b binary(200), f float) ".format(tblName))
+        # No need to create the regular tables, INSERT will do that
+        # automatically
 
 
 class TaskReadData(StateTransitionTask):
@@ -1430,19 +1683,23 @@ class TaskReadData(StateTransitionTask):
 
     def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
         sTbName = self._dbManager.getFixedSuperTableName()
-        self.queryWtSql(wt, "select TBNAME from db.{}".format(sTbName)) # TODO: analyze result set later
+        self.queryWtSql(wt, "select TBNAME from db.{}".format(
+            sTbName))  # TODO: analyze result set later
 
-        if random.randrange(5) == 0 : # 1 in 5 chance, simulate a broken connection. TODO: break connection in all situations
+        if random.randrange(
+                5) == 0:  # 1 in 5 chance, simulate a broken connection. TODO: break connection in all situations
             wt.getDbConn().close()
             wt.getDbConn().open()
         else:
-            rTables = self.getQueryResult(wt) # wt.getDbConn().getQueryResult()
+            # wt.getDbConn().getQueryResult()
+            rTables = self.getQueryResult(wt)
             # print("rTables[0] = {}, type = {}".format(rTables[0], type(rTables[0])))
-            for rTbName in rTables : # regular tables
+            for rTbName in rTables:  # regular tables
                 self.execWtSql(wt, "select * from db.{}".format(rTbName[0]))
 
         # tdSql.query(" cars where tbname in ('carzero', 'carone')")
 
+
 class TaskDropSuperTable(StateTransitionTask):
     @classmethod
     def getEndState(cls):
@@ -1453,26 +1710,33 @@ class TaskDropSuperTable(StateTransitionTask):
         return state.canDropFixedSuperTable()
 
     def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
-        # 1/2 chance, we'll drop the regular tables one by one, in a randomized sequence
-        if Dice.throw(2) == 0 : 
-            tblSeq = list(range(2 + (self.LARGE_NUMBER_OF_TABLES if gConfig.larger_data else self.SMALL_NUMBER_OF_TABLES))) 
+        # 1/2 chance, we'll drop the regular tables one by one, in a randomized
+        # sequence
+        if Dice.throw(2) == 0:
+            tblSeq = list(range(
+                2 + (self.LARGE_NUMBER_OF_TABLES if gConfig.larger_data else self.SMALL_NUMBER_OF_TABLES)))
             random.shuffle(tblSeq)
             tickOutput = False  # if we have spitted out a "d" character for "drop regular table"
             isSuccess = True
             for i in tblSeq:
-                regTableName = self.getRegTableName(i); # "db.reg_table_{}".format(i)                  
+                regTableName = self.getRegTableName(
+                    i)  # "db.reg_table_{}".format(i)
                 try:
-                    self.execWtSql(wt, "drop table {}".format(regTableName)) # nRows always 0, like MySQL
+                    self.execWtSql(wt, "drop table {}".format(
+                        regTableName))  # nRows always 0, like MySQL
                 except taos.error.ProgrammingError as err:
-                    errno2 = err.errno if (err.errno > 0) else 0x80000000 + err.errno # correcting for strange error number scheme
-                    if ( errno2 in [0x362]) : # mnode invalid table name
+                    # correcting for strange error number scheme
+                    errno2 = err.errno if (
+                        err.errno > 0) else 0x80000000 + err.errno
+                    if (errno2 in [0x362]):  # mnode invalid table name
                         isSuccess = False
-                        logger.debug("[DB] Acceptable error when dropping a table")
+                        logger.debug(
+                            "[DB] Acceptable error when dropping a table")
                     continue  # try to delete next regular table
 
                 if (not tickOutput):
                     tickOutput = True  # Print only one time
-                    if isSuccess :
+                    if isSuccess:
                         print("d", end="", flush=True)
                     else:
                         print("f", end="", flush=True)
@@ -1481,6 +1745,7 @@ class TaskDropSuperTable(StateTransitionTask):
         tblName = self._dbManager.getFixedSuperTableName()
         self.execWtSql(wt, "drop table db.{}".format(tblName))
 
+
 class TaskAlterTags(StateTransitionTask):
     @classmethod
     def getEndState(cls):
@@ -1493,31 +1758,36 @@ class TaskAlterTags(StateTransitionTask):
     def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
         tblName = self._dbManager.getFixedSuperTableName()
         dice = Dice.throw(4)
-        if dice == 0 :
+        if dice == 0:
             sql = "alter table db.{} add tag extraTag int".format(tblName)
-        elif dice == 1 :
+        elif dice == 1:
             sql = "alter table db.{} drop tag extraTag".format(tblName)
-        elif dice == 2 :
+        elif dice == 2:
             sql = "alter table db.{} drop tag newTag".format(tblName)
         else:  # dice == 3
-            sql = "alter table db.{} change tag extraTag newTag".format(tblName)
+            sql = "alter table db.{} change tag extraTag newTag".format(
+                tblName)
 
         self.execWtSql(wt, sql)
 
+
 class TaskAddData(StateTransitionTask):
-    activeTable : Set[int] = set() # Track which table is being actively worked on
+    # Track which table is being actively worked on
+    activeTable: Set[int] = set()
 
-    # We use these two files to record operations to DB, useful for power-off tests
+    # We use these two files to record operations to DB, useful for power-off
+    # tests
     fAddLogReady = None
     fAddLogDone = None
 
     @classmethod
     def prepToRecordOps(cls):
-        if gConfig.record_ops :            
-            if ( cls.fAddLogReady == None ):
-                logger.info("Recording in a file operations to be performed...")
+        if gConfig.record_ops:
+            if (cls.fAddLogReady is None):
+                logger.info(
+                    "Recording in a file operations to be performed...")
                 cls.fAddLogReady = open("add_log_ready.txt", "w")
-            if ( cls.fAddLogDone == None ):
+            if (cls.fAddLogDone is None):
                 logger.info("Recording in a file operations completed...")
                 cls.fAddLogDone = open("add_log_done.txt", "w")
 
@@ -1531,23 +1801,32 @@ class TaskAddData(StateTransitionTask):
 
     def _executeInternal(self, te: TaskExecutor, wt: WorkerThread):
         ds = self._dbManager
-        # wt.execSql("use db") # TODO: seems to be an INSERT bug to require this
-        tblSeq = list(range(self.LARGE_NUMBER_OF_TABLES if gConfig.larger_data else self.SMALL_NUMBER_OF_TABLES)) 
+        # wt.execSql("use db") # TODO: seems to be an INSERT bug to require
+        # this
+        tblSeq = list(
+            range(
+                self.LARGE_NUMBER_OF_TABLES if gConfig.larger_data else self.SMALL_NUMBER_OF_TABLES))
         random.shuffle(tblSeq)
         for i in tblSeq:
-            if ( i in self.activeTable ): # wow already active
+            if (i in self.activeTable):  # wow already active
                 # logger.info("Concurrent data insertion into table: {}".format(i))
-                # print("ct({})".format(i), end="", flush=True) # Concurrent insertion into table
+                # print("ct({})".format(i), end="", flush=True) # Concurrent
+                # insertion into table
                 print("x", end="", flush=True)
             else:
                 self.activeTable.add(i)  # marking it active
-            # No need to shuffle data sequence, unless later we decide to do non-increment insertion      
-            regTableName = self.getRegTableName(i); # "db.reg_table_{}".format(i)      
-            for j in range(self.LARGE_NUMBER_OF_RECORDS if gConfig.larger_data else self.SMALL_NUMBER_OF_RECORDS) : # number of records per table
+            # No need to shuffle data sequence, unless later we decide to do
+            # non-increment insertion
+            regTableName = self.getRegTableName(
+                i)  # "db.reg_table_{}".format(i)
+            for j in range(
+                    self.LARGE_NUMBER_OF_RECORDS if gConfig.larger_data else self.SMALL_NUMBER_OF_RECORDS):  # number of records per table
                 nextInt = ds.getNextInt()
                 if gConfig.record_ops:
                     self.prepToRecordOps()
-                    self.fAddLogReady.write("Ready to write {} to {}\n".format(nextInt, regTableName))
+                    self.fAddLogReady.write(
+                        "Ready to write {} to {}\n".format(
+                            nextInt, regTableName))
                     self.fAddLogReady.flush()
                     os.fsync(self.fAddLogReady)
                 sql = "insert into {} using {} tags ('{}', {}) values ('{}', {});".format(
@@ -1556,10 +1835,13 @@ class TaskAddData(StateTransitionTask):
                     ds.getNextBinary(), ds.getNextFloat(),
                     ds.getNextTick(), nextInt)
                 self.execWtSql(wt, sql)
-                # Successfully wrote the data into the DB, let's record it somehow
+                # Successfully wrote the data into the DB, let's record it
+                # somehow
                 te.recordDataMark(nextInt)
                 if gConfig.record_ops:
-                    self.fAddLogDone.write("Wrote {} to {}\n".format(nextInt, regTableName))
+                    self.fAddLogDone.write(
+                        "Wrote {} to {}\n".format(
+                            nextInt, regTableName))
                     self.fAddLogDone.flush()
                     os.fsync(self.fAddLogDone)
             self.activeTable.discard(i)  # not raising an error, unlike remove
@@ -1572,7 +1854,8 @@ class Dice():
     @classmethod
     def seed(cls, s):  # static
         if (cls.seeded):
-            raise RuntimeError("Cannot seed the random generator more than once")
+            raise RuntimeError(
+                "Cannot seed the random generator more than once")
         cls.verifyRNG()
         random.seed(s)
         cls.seeded = True  # TODO: protect against multi-threading
@@ -1583,7 +1866,7 @@ class Dice():
         x1 = random.randrange(0, 1000)
         x2 = random.randrange(0, 1000)
         x3 = random.randrange(0, 1000)
-        if ( x1 != 864 or x2!=394 or x3!=776 ):
+        if (x1 != 864 or x2 != 394 or x3 != 776):
             raise RuntimeError("System RNG is not deterministic")
 
     @classmethod
@@ -1592,13 +1875,14 @@ class Dice():
 
     @classmethod
     def throwRange(cls, start, stop):  # up to stop-1
-        if ( not cls.seeded ):
+        if (not cls.seeded):
             raise RuntimeError("Cannot throw dice before seeding it")
         return random.randrange(start, stop)
 
+
 class LoggingFilter(logging.Filter):
     def filter(self, record: logging.LogRecord):
-        if ( record.levelno >= logging.INFO ) :
+        if (record.levelno >= logging.INFO):
             return True  # info or above always log
 
         # Commenting out below to adjust...
@@ -1607,11 +1891,13 @@ class LoggingFilter(logging.Filter):
         #     return False
         return True
 
+
 class MyLoggingAdapter(logging.LoggerAdapter):
     def process(self, msg, kwargs):
         return "[{}]{}".format(threading.get_ident() % 10000, msg), kwargs
         # return '[%s] %s' % (self.extra['connid'], msg), kwargs
 
+
 class SvcManager:
     def __init__(self):
         print("Starting TDengine Service Manager")
@@ -1620,7 +1906,8 @@ class SvcManager:
         signal.signal(signal.SIGUSR1, self.sigUsrHandler)  # different handler!
 
         self.inSigHandler = False
-        # self._status = MainExec.STATUS_RUNNING # set inside _startTaosService()
+        # self._status = MainExec.STATUS_RUNNING # set inside
+        # _startTaosService()
         self.svcMgrThread = None
 
     def _doMenu(self):
@@ -1642,19 +1929,21 @@ class SvcManager:
             choice = ""  # reset
         return choice
 
-    def sigUsrHandler(self, signalNumber, frame) :
+    def sigUsrHandler(self, signalNumber, frame):
         print("Interrupting main thread execution upon SIGUSR1")
-        if self.inSigHandler : # already
+        if self.inSigHandler:  # already
             print("Ignoring repeated SIG...")
             return  # do nothing if it's already not running
         self.inSigHandler = True
 
         choice = self._doMenu()
-        if choice == "1" :
-            self.sigHandlerResume() # TODO: can the sub-process be blocked due to us not reading from queue?
-        elif choice == "2" :
+        if choice == "1":
+            # TODO: can the sub-process be blocked due to us not reading from
+            # queue?
+            self.sigHandlerResume()
+        elif choice == "2":
             self.stopTaosService()
-        elif choice == "3" :
+        elif choice == "3":
             self.stopTaosService()
             self.startTaosService()
         else:
@@ -1664,7 +1953,7 @@ class SvcManager:
 
     def sigIntHandler(self, signalNumber, frame):
         print("Sig INT Handler starting...")
-        if self.inSigHandler :
+        if self.inSigHandler:
             print("Ignoring repeated SIG_INT...")
             return
         self.inSigHandler = True
@@ -1673,7 +1962,7 @@ class SvcManager:
         print("INT signal handler returning...")
         self.inSigHandler = False
 
-    def sigHandlerResume(self) :
+    def sigHandlerResume(self):
         print("Resuming TDengine service manager thread (main thread)...\n\n")
 
     def _checkServiceManagerThread(self):
@@ -1683,22 +1972,26 @@ class SvcManager:
                 self.svcMgrThread = None  # no more
 
     def _procIpcAll(self):
-        while self.svcMgrThread : # for as long as the svc mgr thread is still here
+        while self.svcMgrThread:  # for as long as the svc mgr thread is still here
             self.svcMgrThread.procIpcBatch()  # regular processing,
             time.sleep(0.5)  # pause, before next round
             self._checkServiceManagerThread()
-        print("Service Manager Thread (with subprocess) has ended, main thread now exiting...")
+        print(
+            "Service Manager Thread (with subprocess) has ended, main thread now exiting...")
 
     def startTaosService(self):
         if self.svcMgrThread:
-            raise RuntimeError("Cannot start TAOS service when one may already be running")
+            raise RuntimeError(
+                "Cannot start TAOS service when one may already be running")
         self.svcMgrThread = ServiceManagerThread()  # create the object
         self.svcMgrThread.start()
         print("TAOS service started, printing out output...")
-        self.svcMgrThread.procIpcBatch(trimToTarget=10, forceOutput=True) # for printing 10 lines
+        self.svcMgrThread.procIpcBatch(
+            trimToTarget=10,
+            forceOutput=True)  # for printing 10 lines
         print("TAOS service started")
 
-    def stopTaosService(self, outputLines = 20):
+    def stopTaosService(self, outputLines=20):
         print("Terminating Service Manager Thread (SMT) execution...")
         if not self.svcMgrThread:
             raise RuntimeError("Unexpected empty svc mgr thread")
@@ -1717,6 +2010,7 @@ class SvcManager:
         if self.svcMgrThread:  # if sig handler hasn't destroyed it by now
             self.stopTaosService()  # should have started already
 
+
 class ServiceManagerThread:
     MAX_QUEUE_SIZE = 10000
 
@@ -1741,9 +2035,9 @@ class ServiceManagerThread:
     # Start the thread (with sub process), and wait for the sub service
     # to become fully operational
     def start(self):
-        if self._thread :
+        if self._thread:
             raise RuntimeError("Unexpected _thread")
-        if self._tdeSubProcess :
+        if self._tdeSubProcess:
             raise RuntimeError("TDengine sub process already created/running")
 
         self._status = MainExec.STATUS_STARTING
@@ -1759,14 +2053,15 @@ class ServiceManagerThread:
         self._thread.start()
 
         # wait for service to start
-        for i in range(0, 10) :
+        for i in range(0, 10):
             time.sleep(1.0)
             # self.procIpcBatch() # don't pump message during start up
             print("_zz_", end="", flush=True)
-            if self._status == MainExec.STATUS_RUNNING :
+            if self._status == MainExec.STATUS_RUNNING:
                 logger.info("[] TDengine service READY to process requests")
                 return  # now we've started
-        raise RuntimeError("TDengine service did not start successfully") # TODO: handle this better?
+        # TODO: handle this better?
+        raise RuntimeError("TDengine service did not start successfully")
 
     def stop(self):
         # can be called from both main thread or signal handler
@@ -1777,15 +2072,19 @@ class ServiceManagerThread:
         if self.isStopping():
             print("Service is already being stopped")
             return
-        # Linux will send Control-C generated SIGINT to the TDengine process already, ref: https://unix.stackexchange.com/questions/176235/fork-and-how-signals-are-delivered-to-processes
-        if not self._tdeSubProcess :
+        # Linux will send Control-C generated SIGINT to the TDengine process
+        # already, ref:
+        # https://unix.stackexchange.com/questions/176235/fork-and-how-signals-are-delivered-to-processes
+        if not self._tdeSubProcess:
             raise RuntimeError("sub process object missing")
 
         self._status = MainExec.STATUS_STOPPING
         self._tdeSubProcess.stop()
 
         if self._tdeSubProcess.isRunning():  # still running
-            print("FAILED to stop sub process, it is still running... pid = {}".format(self.subProcess.pid))
+            print(
+                "FAILED to stop sub process, it is still running... pid = {}".format(
+                    self.subProcess.pid))
         else:
             self._tdeSubProcess = None  # not running any more
             self.join()  # stop the thread, change the status, etc.
@@ -1793,36 +2092,40 @@ class ServiceManagerThread:
     def join(self):
         # TODO: sanity check
         if not self.isStopping():
-            raise RuntimeError("Unexpected status when ending svc mgr thread: {}".format(self._status))
+            raise RuntimeError(
+                "Unexpected status when ending svc mgr thread: {}".format(
+                    self._status))
 
-        if self._thread :
+        if self._thread:
             self._thread.join()
             self._thread = None
             self._status = MainExec.STATUS_STOPPED
-        else :
+        else:
             print("Joining empty thread, doing nothing")
 
     def _trimQueue(self, targetSize):
         if targetSize <= 0:
             return  # do nothing
         q = self._ipcQueue
-        if (q.qsize() <= targetSize ) : # no need to trim
+        if (q.qsize() <= targetSize):  # no need to trim
             return
 
         logger.debug("Triming IPC queue to target size: {}".format(targetSize))
         itemsToTrim = q.qsize() - targetSize
-        for i in range(0, itemsToTrim) :
+        for i in range(0, itemsToTrim):
             try:
                 q.get_nowait()
             except Empty:
                 break  # break out of for loop, no more trimming
 
     TD_READY_MSG = "TDengine is initialized successfully"
-    def procIpcBatch(self, trimToTarget = 0, forceOutput = False):
+
+    def procIpcBatch(self, trimToTarget=0, forceOutput=False):
         self._trimQueue(trimToTarget)  # trim if necessary
-        # Process all the output generated by the underlying sub process, managed by IO thread
+        # Process all the output generated by the underlying sub process,
+        # managed by IO thread
         print("<", end="", flush=True)
-        while True :            
+        while True:
             try:
                 line = self._ipcQueue.get_nowait()  # getting output at fast speed
                 self._printProgress("_o")
@@ -1839,6 +2142,7 @@ class ServiceManagerThread:
         print(">", end="", flush=True)
 
     _ProgressBars = ["--", "//", "||", "\\\\"]
+
     def _printProgress(self, msg):  # TODO: assuming 2 chars
         print(msg, end="", flush=True)
         pBar = self._ProgressBars[Dice.throw(4)]
@@ -1853,23 +2157,27 @@ class ServiceManagerThread:
             # print("Finished reading a line: {}".format(line))
             # print("Adding item to queue...")
             line = line.decode("utf-8").rstrip()
-            queue.put(line) # This might block, and then causing "out" buffer to block            
+            # This might block, and then causing "out" buffer to block
+            queue.put(line)
             self._printProgress("_i")
 
-            if self._status == MainExec.STATUS_STARTING : # we are starting, let's see if we have started
-                if line.find(self.TD_READY_MSG) != -1 : # found
+            if self._status == MainExec.STATUS_STARTING:  # we are starting, let's see if we have started
+                if line.find(self.TD_READY_MSG) != -1:  # found
                     self._status = MainExec.STATUS_RUNNING
 
             # Trim the queue if necessary: TODO: try this 1 out of 10 times
             self._trimQueue(self.MAX_QUEUE_SIZE * 9 // 10)  # trim to 90% size
 
-            if self.isStopping() : # TODO: use thread status instead
-                print("_w", end="", flush=True) # WAITING for stopping sub process to finish its outptu
+            if self.isStopping():  # TODO: use thread status instead
+                # WAITING for stopping sub process to finish its outptu
+                print("_w", end="", flush=True)
 
             # queue.put(line)
-        print("\nNo more output from IO thread managing TDengine service") # meaning sub process must have died
+        # meaning sub process must have died
+        print("\nNo more output from IO thread managing TDengine service")
         out.close()
 
+
 class TdeSubProcess:
     def __init__(self):
         self.subProcess = None
@@ -1878,13 +2186,32 @@ class TdeSubProcess:
         return self.subProcess.stdout
 
     def isRunning(self):
-        return self.subProcess != None
+        return self.subProcess is not None
+
+    def getBuildPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("communit")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+
+        for root, dirs, files in os.walk(projPath):
+            if ("taosd" in files):
+                rootRealPath = os.path.dirname(os.path.realpath(root))
+                if ("packaging" not in rootRealPath):
+                    buildPath = root[:len(root) - len("/build/bin")]
+                    break
+        return buildPath
 
     def start(self):
         ON_POSIX = 'posix' in sys.builtin_module_names
-        svcCmd = ['../../build/build/bin/taosd', '-c', '../../build/test/cfg']
+
+        taosdPath = self.getBuildPath() + "/build/bin/taosd"
+        cfgPath = self.getBuildPath() + "/test/cfg"
+
+        svcCmd = [taosdPath, '-c', cfgPath]
         # svcCmd = ['vmstat', '1']
-        if self.subProcess : # already there
+        if self.subProcess:  # already there
             raise RuntimeError("Corrupt process state")
 
         self.subProcess = subprocess.Popen(
@@ -1899,12 +2226,15 @@ class TdeSubProcess:
             return
 
         retCode = self.subProcess.poll()
-        if retCode : # valid return code, process ended
+        if retCode:  # valid return code, process ended
             self.subProcess = None
         else:  # process still alive, let's interrupt it
-            print("Sub process is running, sending SIG_INT and waiting for it to terminate...")
-            self.subProcess.send_signal(signal.SIGINT) # sub process should end, then IPC queue should end, causing IO thread to end
-            try :
+            print(
+                "Sub process is running, sending SIG_INT and waiting for it to terminate...")
+            # sub process should end, then IPC queue should end, causing IO
+            # thread to end
+            self.subProcess.send_signal(signal.SIGINT)
+            try:
                 self.subProcess.wait(10)
             except subprocess.TimeoutExpired as err:
                 print("Time out waiting for TDengine service process to exit")
@@ -1912,6 +2242,7 @@ class TdeSubProcess:
                 print("TDengine service process terminated successfully from SIG_INT")
                 self.subProcess = None
 
+
 class ClientManager:
     def __init__(self):
         print("Starting service manager")
@@ -1922,7 +2253,7 @@ class ClientManager:
         self.tc = None
 
     def sigIntHandler(self, signalNumber, frame):
-        if self._status != MainExec.STATUS_RUNNING :
+        if self._status != MainExec.STATUS_RUNNING:
             print("Ignoring repeated SIGINT...")
             return  # do nothing if it's already not running
         self._status = MainExec.STATUS_STOPPING  # immediately set our status
@@ -1933,23 +2264,24 @@ class ClientManager:
     def _printLastNumbers(self):  # to verify data durability
         dbManager = DbManager(resetDb=False)
         dbc = dbManager.getDbConn()
-        if dbc.query("show databases") == 0 : # no databae
+        if dbc.query("show databases") == 0:  # no databae
             return
-        if dbc.query("show tables") == 0 : # no tables
+        if dbc.query("show tables") == 0:  # no tables
             return
 
         dbc.execute("use db")
         sTbName = dbManager.getFixedSuperTableName()
 
         # get all regular tables
-        dbc.query("select TBNAME from db.{}".format(sTbName)) # TODO: analyze result set later
+        # TODO: analyze result set later
+        dbc.query("select TBNAME from db.{}".format(sTbName))
         rTables = dbc.getQueryResult()
 
         bList = TaskExecutor.BoundedList()
-        for rTbName in rTables : # regular tables
+        for rTbName in rTables:  # regular tables
             dbc.query("select speed from db.{}".format(rTbName[0]))
             numbers = dbc.getQueryResult()
-            for row in numbers :                
+            for row in numbers:
                 # print("<{}>".format(n), end="", flush=True)
                 bList.add(row[0])
 
@@ -1962,7 +2294,7 @@ class ClientManager:
         self._printLastNumbers()
 
     def run(self):
-        if gConfig.auto_start_service :
+        if gConfig.auto_start_service:
             svcMgr = SvcManager()
             svcMgr.startTaosService()
 
@@ -1975,12 +2307,13 @@ class ClientManager:
         self.tc.run()
         # print("exec stats: {}".format(self.tc.getExecStats()))
         # print("TC failed = {}".format(self.tc.isFailed()))
-        if gConfig.auto_start_service :
+        if gConfig.auto_start_service:
             svcMgr.stopTaosService()
         # Print exec status, etc., AFTER showing messages from the server
         self.conclude()
         # print("TC failed (2) = {}".format(self.tc.isFailed()))
-        return 1 if self.tc.isFailed() else 0 # Linux return code: ref https://shapeshed.com/unix-exit-codes/
+        # Linux return code: ref https://shapeshed.com/unix-exit-codes/
+        return 1 if self.tc.isFailed() else 0
 
     def conclude(self):
         self.tc.printStats()
@@ -2047,8 +2380,10 @@ class MainExec:
         #     print("Rows: {}, time={}".format(rows, time.time()))
         return
 
+
 def main():
-    # Super cool Python argument library: https://docs.python.org/3/library/argparse.html
+    # Super cool Python argument library:
+    # https://docs.python.org/3/library/argparse.html
     parser = argparse.ArgumentParser(
         formatter_class=argparse.RawDescriptionHelpFormatter,
         description=textwrap.dedent('''\
@@ -2059,24 +2394,62 @@ def main():
 
             '''))
 
-    parser.add_argument('-a', '--auto-start-service', action='store_true',                        
+    parser.add_argument(
+        '-a',
+        '--auto-start-service',
+        action='store_true',
         help='Automatically start/stop the TDengine service (default: false)')
-    parser.add_argument('-c', '--connector-type', action='store', default='native', type=str,
+    parser.add_argument(
+        '-c',
+        '--connector-type',
+        action='store',
+        default='native',
+        type=str,
         help='Connector type to use: native, rest, or mixed (default: 10)')
-    parser.add_argument('-d', '--debug', action='store_true',                        
+    parser.add_argument(
+        '-d',
+        '--debug',
+        action='store_true',
         help='Turn on DEBUG mode for more logging (default: false)')
-    parser.add_argument('-e', '--run-tdengine', action='store_true',                        
+    parser.add_argument(
+        '-e',
+        '--run-tdengine',
+        action='store_true',
         help='Run TDengine service in foreground (default: false)')
-    parser.add_argument('-l', '--larger-data', action='store_true',                        
+    parser.add_argument(
+        '-l',
+        '--larger-data',
+        action='store_true',
         help='Write larger amount of data during write operations (default: false)')
-    parser.add_argument('-p', '--per-thread-db-connection', action='store_true',                        
+    parser.add_argument(
+        '-p',
+        '--per-thread-db-connection',
+        action='store_true',
         help='Use a single shared db connection (default: false)')
-    parser.add_argument('-r', '--record-ops', action='store_true',                        
+    parser.add_argument(
+        '-r',
+        '--record-ops',
+        action='store_true',
         help='Use a pair of always-fsynced fils to record operations performing + performed, for power-off tests (default: false)')
-    parser.add_argument('-s', '--max-steps', action='store', default=1000, type=int,
+    parser.add_argument(
+        '-s',
+        '--max-steps',
+        action='store',
+        default=1000,
+        type=int,
         help='Maximum number of steps to run (default: 100)')
-    parser.add_argument('-t', '--num-threads', action='store', default=5, type=int,
+    parser.add_argument(
+        '-t',
+        '--num-threads',
+        action='store',
+        default=5,
+        type=int,
         help='Number of threads to run (default: 10)')
+    parser.add_argument(
+        '-x',
+        '--continue-on-exception',
+        action='store_true',
+        help='Continue execution after encountering unexpected/disallowed errors/exceptions (default: false)')
 
     global gConfig
     gConfig = parser.parse_args()
@@ -2088,9 +2461,10 @@ def main():
     ch = logging.StreamHandler()
     _logger.addHandler(ch)
 
-    logger = MyLoggingAdapter(_logger, []) # Logging adapter, to be used as a logger
+    # Logging adapter, to be used as a logger
+    logger = MyLoggingAdapter(_logger, [])
 
-    if ( gConfig.debug ):
+    if (gConfig.debug):
         logger.setLevel(logging.DEBUG)  # default seems to be INFO
     else:
         logger.setLevel(logging.INFO)
@@ -2098,11 +2472,12 @@ def main():
     Dice.seed(0)  # initial seeding of dice
 
     # Run server or client
-    if gConfig.run_tdengine : # run server
+    if gConfig.run_tdengine:  # run server
         MainExec.runService()
-    else :
+    else:
         return MainExec.runClient()
 
+
 if __name__ == "__main__":
     exitCode = main()
     # print("Exiting with code: {}".format(exitCode))

tests/pytest/crash_gen.sh

@@ -31,11 +31,22 @@ then
     exit -1
 fi
 
+CURR_DIR=`pwd`
+IN_TDINTERNAL="community"
+if [[ "$CURR_DIR" == *"$IN_TDINTERNAL"* ]]; then
+  TAOS_DIR=$CURR_DIR/../../..
+else
+  TAOS_DIR=$CURR_DIR/../..
+fi
+TAOSD_DIR=`find $TAOS_DIR -name "taosd"|grep bin|head -n1`
+
+LIB_DIR=`echo $TAOSD_DIR|rev|cut -d '/' -f 3,4,5,6|rev`/lib
+
 # First we need to set up a path for Python to find our own TAOS modules, so that "import" can work.
 export PYTHONPATH=$(pwd)/../../src/connector/python/linux/python3
 
 # Then let us set up the library path so that our compiled SO file can be loaded by Python
-export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(pwd)/../../build/build/lib
+export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$LIB_DIR
 
 # Now we are all let, and let's see if we can find a crash. Note we pass all params
 python3 ./crash_gen.py $@

tests/pytest/fulltest.sh

@@ -121,7 +121,7 @@ python3 ./test.py -f import_merge/importTORestart.py
 python3 ./test.py -f import_merge/importTPORestart.py
 python3 ./test.py -f import_merge/importTRestart.py
 python3 ./test.py -f import_merge/importInsertThenImport.py
-
+python3 ./test.py -f import_merge/importCSV.py
 # user
 python3 ./test.py -f user/user_create.py
 python3 ./test.py -f user/pass_len.py

tests/pytest/import_merge/importCSV.py

+###################################################################
+#       Copyright (c) 2016 by TAOS Technologies, Inc.
+#             All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+import os
+import csv 
+import random
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+        self.csvfile = "/tmp/file.csv"
+        self.rows = 10000
+        self.ntables = 1
+        self.startTime = 1520000010000
+    def genRandomStr(self, maxLen):
+        H = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
+        salt = ''
+        if maxLen <= 1:
+            maxLen = 2
+        l = random.randint(1,maxLen)
+        for i in range(l):
+            salt += random.choice(H)
+        return salt
+    def createCSVFile(self):
+        f = open(self.csvfile,'w',encoding='utf-8') 
+        csv_writer = csv.writer(f, quoting=csv.QUOTE_NONNUMERIC) 
+        for i in range(self.rows):   
+            csv_writer.writerow([self.startTime + i, 
+                                self.genRandomStr(5),
+                                self.genRandomStr(6),
+                                self.genRandomStr(7),
+                                self.genRandomStr(8),
+                                self.genRandomStr(9),
+                                self.genRandomStr(10),
+                                self.genRandomStr(11),
+                                self.genRandomStr(12),
+                                self.genRandomStr(13),
+                                self.genRandomStr(14)])
+        f.close()
+    def destroyCSVFile(self):
+        os.remove(self.csvfile) 
+    def run(self):
+        self.createCSVFile()
+
+        tdDnodes.stop(1)
+        tdDnodes.deploy(1)
+        tdDnodes.start(1)
+
+        tdSql.execute('reset query cache')
+        tdSql.execute('drop database if exists db')
+        tdSql.execute('create database db')
+        tdSql.execute('use db')
+        tdSql.execute('''create table tbx (ts TIMESTAMP, 
+                         collect_area NCHAR(5), 
+                         device_id BINARY(6), 
+                         imsi BINARY(7),  
+                         imei BINARY(8),  
+                         mdn BINARY(9), 
+                         net_type BINARY(10), 
+                         mno NCHAR(11), 
+                         province NCHAR(12), 
+                         city NCHAR(13), 
+                         alarm BINARY(14))''')
+    
+        tdSql.execute("import into tbx file \'%s\'"%(self.csvfile))
+        tdSql.query('select * from tbx')
+        tdSql.checkRows(self.rows)
+
+    def stop(self):
+        self.destroyCSVFile()
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+        tdDnodes.stop(1)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/pytest/regressiontest.sh

@@ -121,7 +121,7 @@ python3 ./test.py -f import_merge/importTORestart.py
 python3 ./test.py -f import_merge/importTPORestart.py
 python3 ./test.py -f import_merge/importTRestart.py
 python3 ./test.py -f import_merge/importInsertThenImport.py
-
+python3 ./test.py -f import_merge/importCSV.py
 # user
 python3 ./test.py -f user/user_create.py
 python3 ./test.py -f user/pass_len.py

tests/pytest/testCompress.py

+#!/usr/bin/python
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+# install pip
+# pip install src/connector/python/linux/python2/
+
+# -*- coding: utf-8 -*-
+import sys
+import getopt
+import subprocess
+from distutils.log import warn as printf
+
+from util.log import *
+from util.dnodes import *
+from util.cases import *
+from util.sql import *
+
+import taos
+
+
+if __name__ == "__main__":
+    fileName = "all"
+    deployPath = ""
+    testCluster = False
+    valgrind = 0
+    logSql = True
+    stop = 0
+    opts, args = getopt.gnu_getopt(sys.argv[1:], 'l:sgh', [
+        'logSql', 'stop', 'valgrind', 'help'])
+    for key, value in opts:
+        if key in ['-h', '--help']:
+            tdLog.printNoPrefix(
+                'A collection of test cases written using Python')
+            tdLog.printNoPrefix('-l <True:False> logSql Flag')
+            tdLog.printNoPrefix('-s stop All dnodes')
+            tdLog.printNoPrefix('-g valgrind Test Flag')
+            sys.exit(0)
+
+        if key in ['-l', '--logSql']:
+            if (value.upper() == "TRUE"):
+                logSql = True
+            elif (value.upper() == "FALSE"):
+                logSql = False
+            else:
+                tdLog.printNoPrefix("logSql value %s is invalid" % logSql)
+                sys.exit(0)
+
+        if key in ['-g', '--valgrind']:
+            valgrind = 1
+
+        if key in ['-s', '--stop']:
+            stop = 1
+
+    if (stop != 0):
+        if (valgrind == 0):
+            toBeKilled = "taosd"
+        else:
+            toBeKilled = "valgrind.bin"
+
+        killCmd = "ps -ef|grep -w %s| grep -v grep | awk '{print $2}' | xargs kill -HUP > /dev/null 2>&1" % toBeKilled
+
+        psCmd = "ps -ef|grep -w %s| grep -v grep | awk '{print $2}'" % toBeKilled
+        processID = subprocess.check_output(psCmd, shell=True)
+
+        while(processID):
+            os.system(killCmd)
+            time.sleep(1)
+            processID = subprocess.check_output(psCmd, shell=True)
+
+        for port in range(6030, 6041):
+            usePortPID = "lsof -i tcp:%d | grep LISTEn | awk '{print $2}'" % port
+            processID = subprocess.check_output(usePortPID, shell=True)
+
+            if processID:
+                killCmd = "kill -9 %s" % processID
+                os.system(killCmd)
+            fuserCmd = "fuser -k -n tcp %d" % port
+            os.system(fuserCmd)
+        if valgrind:
+            time.sleep(2)
+
+        tdLog.info('stop All dnodes')
+        sys.exit(0)
+
+    tdDnodes.init(deployPath)
+    tdDnodes.setTestCluster(testCluster)
+    tdDnodes.setValgrind(valgrind)
+
+    tdDnodes.stopAll()
+    tdDnodes.addSimExtraCfg("compressMsgSize", "10240")
+    tdDnodes.deploy(1)
+    tdDnodes.start(1)
+
+    host = '127.0.0.1'
+
+    tdLog.info("Procedures for tdengine deployed in %s" % (host))
+
+    tdCases.logSql(logSql)
+
+    conn = taos.connect(
+        host,
+        config=tdDnodes.getSimCfgPath())
+
+    tdSql.init(conn.cursor(), True)
+
+    tdSql.execute("CREATE DATABASE IF NOT EXISTS t10b")
+    tdSql.execute("USE t10b")
+    tdSql.execute(
+        "CREATE TABLE IF NOT EXISTS s_sensor_info (ts TIMESTAMP, temperature INT, humidity FLOAT)")
+
+    start_time = int(round(time.time() * 1000))
+    for i in range(1, 1000):
+        tdSql.execute("IMPORT INTO s_sensor_info VALUES (1575129600000, 16, 19.405090) (1575129601000, 22, 14.377142) (1575129602000, 16, 16.868231) (1575129603000, 20, 11.565193) (1575129604000, 31, 13.009119) (1575129605000, 29, 18.136400) (1575129606000, 17, 13.806572) (1575129607000, 23, 14.688898) (1575129608000, 26, 12.931019) (1575129609000, 32, 12.185531) (1575129610000, 30, 13.608714) (1575129611000, 23, 18.624914) (1575129612000, 22, 12.970826) (1575129613000, 22, 12.065827) (1575129614000, 25, 16.967192) (1575129615000, 16, 10.283031) (1575129616000, 22, 16.072535) (1575129617000, 24, 10.794536) (1575129618000, 32, 10.591207) (1575129619000, 20, 13.015227) (1575129620000, 28, 15.410999) (1575129621000, 29, 12.785076) (1575129622000, 28, 15.305857) (1575129623000, 33, 12.820810) (1575129624000, 34, 13.618055) (1575129625000, 32, 12.971123) (1575129626000, 24, 10.974546) (1575129627000, 15, 10.742910) (1575129628000, 23, 16.810783) (1575129629000, 18, 13.115224) (1575129630000, 26, 17.418489) (1575129631000, 20, 17.302315) (1575129632000, 21, 14.283571) (1575129633000, 16, 16.826534) (1575129634000, 18, 19.222122) (1575129635000, 18, 14.931420) (1575129636000, 17, 19.549454) (1575129637000, 22, 16.908388) (1575129638000, 32, 15.637796) (1575129639000, 31, 15.517650) (1575129640000, 18, 14.038033) (1575129641000, 32, 19.859648) (1575129642000, 16, 13.220840) (1575129643000, 28, 16.445398) (1575129644000, 26, 16.695753) (1575129645000, 33, 13.696928) (1575129646000, 21, 15.352819) (1575129647000, 15, 12.388407) (1575129648000, 27, 11.267529) (1575129649000, 20, 14.103228) (1575129650000, 20, 16.250950) (1575129651000, 30, 16.236088) (1575129652000, 22, 18.305340) (1575129653000, 25, 17.360685) (1575129654000, 25, 14.978681) (1575129655000, 33, 14.096183) (1575129656000, 26, 10.019039) (1575129657000, 19, 19.158213) (1575129658000, 22, 15.593924) (1575129659000, 26, 18.780119) (1575129660000, 21, 16.001656) (1575129661000, 16, 18.458328) (1575129662000, 21, 16.417843) (1575129663000, 28, 11.736558) (1575129664000, 34, 18.143946) (1575129665000, 27, 10.303225) (1575129666000, 20, 19.756748) (1575129667000, 22, 12.940063) (1575129668000, 23, 11.509640) (1575129669000, 19, 18.319309) (1575129670000, 19, 16.278345) (1575129671000, 27, 10.898361) (1575129672000, 31, 13.922162) (1575129673000, 15, 19.296116) (1575129674000, 26, 15.885763) (1575129675000, 15, 15.525804) (1575129676000, 19, 19.579538) (1575129677000, 20, 11.073811) (1575129678000, 16, 13.932510) (1575129679000, 17, 11.900328) (1575129680000, 22, 16.540415) (1575129681000, 33, 15.203803) (1575129682000, 17, 11.518434) (1575129683000, 17, 13.152081) (1575129684000, 18, 11.378041) (1575129685000, 21, 15.390745) (1575129686000, 30, 15.127818) (1575129687000, 19, 16.530401) (1575129688000, 32, 16.542702) (1575129689000, 26, 16.366442) (1575129690000, 25, 10.306822) (1575129691000, 15, 13.691117) (1575129692000, 15, 13.476817) (1575129693000, 25, 12.529998) (1575129694000, 22, 15.550021) (1575129695000, 20, 15.064971) (1575129696000, 24, 13.313683) (1575129697000, 23, 17.002878) (1575129698000, 30, 19.991594) (1575129699000, 15, 11.116746) (1575129699990, 16, 19.405090) (1575129700990, 22, 14.377142) (1575129701990, 16, 16.868231) (1575129702990, 20, 11.565193) (1575129703990, 31, 13.009119) (1575129704990, 29, 18.136400) (1575129705990, 17, 13.806572) (1575129706990, 23, 14.688898) (1575129707990, 26, 12.931019) (1575129708990, 32, 12.185531) (1575129709990, 30, 13.608714) (1575129710990, 23, 18.624914) (1575129711990, 22, 12.970826) (1575129712990, 22, 12.065827) (1575129713990, 25, 16.967192) (1575129714990, 16, 10.283031) (1575129715990, 22, 16.072535) (1575129716990, 24, 10.794536) (1575129717990, 32, 10.591207) (1575129718990, 20, 13.015227) (1575129719990, 28, 15.410999) (1575129720990, 29, 12.785076) (1575129721990, 28, 15.305857) (1575129722990, 33, 12.820810) (1575129723990, 34, 13.618055) (1575129724990, 32, 12.971123) (1575129725990, 24, 10.974546) (1575129726990, 15, 10.742910) (1575129727990, 23, 16.810783) (1575129728990, 18, 13.115224) (1575129729990, 26, 17.418489) (1575129730990, 20, 17.302315) (1575129731990, 21, 14.283571) (1575129732990, 16, 16.826534) (1575129733990, 18, 19.222122) (1575129734990, 18, 14.931420) (1575129735990, 17, 19.549454) (1575129736990, 22, 16.908388) (1575129737990, 32, 15.637796) (1575129738990, 31, 15.517650) (1575129739990, 18, 14.038033) (1575129740990, 32, 19.859648) (1575129741990, 16, 13.220840) (1575129742990, 28, 16.445398) (1575129743990, 26, 16.695753) (1575129744990, 33, 13.696928) (1575129745990, 21, 15.352819) (1575129746990, 15, 12.388407) (1575129747990, 27, 11.267529) (1575129748990, 20, 14.103228) (1575129749990, 20, 16.250950) (1575129750990, 30, 16.236088) (1575129751990, 22, 18.305340) (1575129752990, 25, 17.360685) (1575129753990, 25, 14.978681) (1575129754990, 33, 14.096183) (1575129755990, 26, 10.019039) (1575129756990, 19, 19.158213) (1575129757990, 22, 15.593924) (1575129758990, 26, 18.780119) (1575129759990, 21, 16.001656) (1575129760990, 16, 18.458328) (1575129761990, 21, 16.417843) (1575129762990, 28, 11.736558) (1575129763990, 34, 18.143946) (1575129764990, 27, 10.303225) (1575129765990, 20, 19.756748) (1575129766990, 22, 12.940063) (1575129767990, 23, 11.509640) (1575129768990, 19, 18.319309) (1575129769990, 19, 16.278345) (1575129770990, 27, 10.898361) (1575129771990, 31, 13.922162) (1575129772990, 15, 19.296116) (1575129773990, 26, 15.885763) (1575129774990, 15, 15.525804) (1575129775990, 19, 19.579538) (1575129776990, 20, 11.073811) (1575129777990, 16, 13.932510) (1575129778990, 17, 11.900328) (1575129779990, 22, 16.540415) (1575129780990, 33, 15.203803) (1575129781990, 17, 11.518434) (1575129782990, 17, 13.152081) (1575129783990, 18, 11.378041) (1575129784990, 21, 15.390745) (1575129785990, 30, 15.127818) (1575129786990, 19, 16.530401) (1575129787990, 32, 16.542702) (1575129788990, 26, 16.366442) (1575129789990, 25, 10.306822) (1575129790990, 15, 13.691117) (1575129791990, 15, 13.476817) (1575129792990, 25, 12.529998) (1575129793990, 22, 15.550021) (1575129794990, 20, 15.064971) (1575129795990, 24, 13.313683) (1575129796990, 23, 17.002878) (1575129797990, 30, 19.991594) (1575129798990, 15, 11.116746) (1575129799980, 16, 19.405090) (1575129800980, 22, 14.377142) (1575129801980, 16, 16.868231) (1575129802980, 20, 11.565193) (1575129803980, 31, 13.009119) (1575129804980, 29, 18.136400) (1575129805980, 17, 13.806572) (1575129806980, 23, 14.688898) (1575129807980, 26, 12.931019) (1575129808980, 32, 12.185531) (1575129809980, 30, 13.608714) (1575129810980, 23, 18.624914) (1575129811980, 22, 12.970826) (1575129812980, 22, 12.065827) (1575129813980, 25, 16.967192) (1575129814980, 16, 10.283031) (1575129815980, 22, 16.072535) (1575129816980, 24, 10.794536) (1575129817980, 32, 10.591207) (1575129818980, 20, 13.015227) (1575129819980, 28, 15.410999) (1575129820980, 29, 12.785076) (1575129821980, 28, 15.305857) (1575129822980, 33, 12.820810) (1575129823980, 34, 13.618055) (1575129824980, 32, 12.971123) (1575129825980, 24, 10.974546) (1575129826980, 15, 10.742910) (1575129827980, 23, 16.810783) (1575129828980, 18, 13.115224) (1575129829980, 26, 17.418489) (1575129830980, 20, 17.302315) (1575129831980, 21, 14.283571) (1575129832980, 16, 16.826534) (1575129833980, 18, 19.222122) (1575129834980, 18, 14.931420) (1575129835980, 17, 19.549454) (1575129836980, 22, 16.908388) (1575129837980, 32, 15.637796) (1575129838980, 31, 15.517650) (1575129839980, 18, 14.038033) (1575129840980, 32, 19.859648) (1575129841980, 16, 13.220840) (1575129842980, 28, 16.445398) (1575129843980, 26, 16.695753) (1575129844980, 33, 13.696928) (1575129845980, 21, 15.352819) (1575129846980, 15, 12.388407) (1575129847980, 27, 11.267529) (1575129848980, 20, 14.103228) (1575129849980, 20, 16.250950) (1575129850980, 30, 16.236088) (1575129851980, 22, 18.305340) (1575129852980, 25, 17.360685) (1575129853980, 25, 14.978681) (1575129854980, 33, 14.096183) (1575129855980, 26, 10.019039) (1575129856980, 19, 19.158213) (1575129857980, 22, 15.593924) (1575129858980, 26, 18.780119) (1575129859980, 21, 16.001656) (1575129860980, 16, 18.458328) (1575129861980, 21, 16.417843) (1575129862980, 28, 11.736558) (1575129863980, 34, 18.143946) (1575129864980, 27, 10.303225) (1575129865980, 20, 19.756748) (1575129866980, 22, 12.940063) (1575129867980, 23, 11.509640) (1575129868980, 19, 18.319309) (1575129869980, 19, 16.278345) (1575129870980, 27, 10.898361) (1575129871980, 31, 13.922162) (1575129872980, 15, 19.296116) (1575129873980, 26, 15.885763) (1575129874980, 15, 15.525804) (1575129875980, 19, 19.579538) (1575129876980, 20, 11.073811) (1575129877980, 16, 13.932510) (1575129878980, 17, 11.900328) (1575129879980, 22, 16.540415) (1575129880980, 33, 15.203803) (1575129881980, 17, 11.518434) (1575129882980, 17, 13.152081) (1575129883980, 18, 11.378041) (1575129884980, 21, 15.390745) (1575129885980, 30, 15.127818) (1575129886980, 19, 16.530401) (1575129887980, 32, 16.542702) (1575129888980, 26, 16.366442) (1575129889980, 25, 10.306822) (1575129890980, 15, 13.691117) (1575129891980, 15, 13.476817) (1575129892980, 25, 12.529998) (1575129893980, 22, 15.550021) (1575129894980, 20, 15.064971) (1575129895980, 24, 13.313683) (1575129896980, 23, 17.002878) (1575129897980, 30, 19.991594) (1575129898980, 15, 11.116746) (1575129899970, 16, 19.405090) (1575129900970, 22, 14.377142) (1575129901970, 16, 16.868231) (1575129902970, 20, 11.565193) (1575129903970, 31, 13.009119) (1575129904970, 29, 18.136400) (1575129905970, 17, 13.806572) (1575129906970, 23, 14.688898) (1575129907970, 26, 12.931019) (1575129908970, 32, 12.185531) (1575129909970, 30, 13.608714) (1575129910970, 23, 18.624914) (1575129911970, 22, 12.970826) (1575129912970, 22, 12.065827) (1575129913970, 25, 16.967192) (1575129914970, 16, 10.283031) (1575129915970, 22, 16.072535) (1575129916970, 24, 10.794536) (1575129917970, 32, 10.591207) (1575129918970, 20, 13.015227) (1575129919970, 28, 15.410999) (1575129920970, 29, 12.785076) (1575129921970, 28, 15.305857) (1575129922970, 33, 12.820810) (1575129923970, 34, 13.618055) (1575129924970, 32, 12.971123) (1575129925970, 24, 10.974546) (1575129926970, 15, 10.742910) (1575129927970, 23, 16.810783) (1575129928970, 18, 13.115224) (1575129929970, 26, 17.418489) (1575129930970, 20, 17.302315) (1575129931970, 21, 14.283571) (1575129932970, 16, 16.826534) (1575129933970, 18, 19.222122) (1575129934970, 18, 14.931420) (1575129935970, 17, 19.549454) (1575129936970, 22, 16.908388) (1575129937970, 32, 15.637796) (1575129938970, 31, 15.517650) (1575129939970, 18, 14.038033) (1575129940970, 32, 19.859648) (1575129941970, 16, 13.220840) (1575129942970, 28, 16.445398) (1575129943970, 26, 16.695753) (1575129944970, 33, 13.696928) (1575129945970, 21, 15.352819) (1575129946970, 15, 12.388407) (1575129947970, 27, 11.267529) (1575129948970, 20, 14.103228) (1575129949970, 20, 16.250950) (1575129950970, 30, 16.236088) (1575129951970, 22, 18.305340) (1575129952970, 25, 17.360685) (1575129953970, 25, 14.978681) (1575129954970, 33, 14.096183) (1575129955970, 26, 10.019039) (1575129956970, 19, 19.158213) (1575129957970, 22, 15.593924) (1575129958970, 26, 18.780119) (1575129959970, 21, 16.001656) (1575129960970, 16, 18.458328) (1575129961970, 21, 16.417843) (1575129962970, 28, 11.736558) (1575129963970, 34, 18.143946) (1575129964970, 27, 10.303225) (1575129965970, 20, 19.756748) (1575129966970, 22, 12.940063) (1575129967970, 23, 11.509640) (1575129968970, 19, 18.319309) (1575129969970, 19, 16.278345) (1575129970970, 27, 10.898361) (1575129971970, 31, 13.922162) (1575129972970, 15, 19.296116) (1575129973970, 26, 15.885763) (1575129974970, 15, 15.525804) (1575129975970, 19, 19.579538) (1575129976970, 20, 11.073811) (1575129977970, 16, 13.932510) (1575129978970, 17, 11.900328) (1575129979970, 22, 16.540415) (1575129980970, 33, 15.203803) (1575129981970, 17, 11.518434) (1575129982970, 17, 13.152081) (1575129983970, 18, 11.378041) (1575129984970, 21, 15.390745) (1575129985970, 30, 15.127818) (1575129986970, 19, 16.530401) (1575129987970, 32, 16.542702) (1575129988970, 26, 16.366442) (1575129989970, 25, 10.306822) (1575129990970, 15, 13.691117) (1575129991970, 15, 13.476817) (1575129992970, 25, 12.529998) (1575129993970, 22, 15.550021) (1575129994970, 20, 15.064971) (1575129995970, 24, 13.313683) (1575129996970, 23, 17.002878) (1575129997970, 30, 19.991594) (1575129998970, 15, 11.116746) (1575129999960, 16, 19.405090) (1575130000960, 22, 14.377142) (1575130001960, 16, 16.868231) (1575130002960, 20, 11.565193) (1575130003960, 31, 13.009119) (1575130004960, 29, 18.136400) (1575130005960, 17, 13.806572) (1575130006960, 23, 14.688898) (1575130007960, 26, 12.931019) (1575130008960, 32, 12.185531) (1575130009960, 30, 13.608714) (1575130010960, 23, 18.624914) (1575130011960, 22, 12.970826) (1575130012960, 22, 12.065827) (1575130013960, 25, 16.967192) (1575130014960, 16, 10.283031) (1575130015960, 22, 16.072535) (1575130016960, 24, 10.794536) (1575130017960, 32, 10.591207) (1575130018960, 20, 13.015227) (1575130019960, 28, 15.410999) (1575130020960, 29, 12.785076) (1575130021960, 28, 15.305857) (1575130022960, 33, 12.820810) (1575130023960, 34, 13.618055) (1575130024960, 32, 12.971123) (1575130025960, 24, 10.974546) (1575130026960, 15, 10.742910) (1575130027960, 23, 16.810783) (1575130028960, 18, 13.115224) (1575130029960, 26, 17.418489) (1575130030960, 20, 17.302315) (1575130031960, 21, 14.283571) (1575130032960, 16, 16.826534) (1575130033960, 18, 19.222122) (1575130034960, 18, 14.931420) (1575130035960, 17, 19.549454) (1575130036960, 22, 16.908388) (1575130037960, 32, 15.637796) (1575130038960, 31, 15.517650) (1575130039960, 18, 14.038033) (1575130040960, 32, 19.859648) (1575130041960, 16, 13.220840) (1575130042960, 28, 16.445398) (1575130043960, 26, 16.695753) (1575130044960, 33, 13.696928) 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(1575131421820, 28, 15.305857) (1575131422820, 33, 12.820810) (1575131423820, 34, 13.618055) (1575131424820, 32, 12.971123) (1575131425820, 24, 10.974546) (1575131426820, 15, 10.742910) (1575131427820, 23, 16.810783) (1575131428820, 18, 13.115224) (1575131429820, 26, 17.418489) (1575131430820, 20, 17.302315) (1575131431820, 21, 14.283571) (1575131432820, 16, 16.826534) (1575131433820, 18, 19.222122) (1575131434820, 18, 14.931420) (1575131435820, 17, 19.549454) (1575131436820, 22, 16.908388) (1575131437820, 32, 15.637796) (1575131438820, 31, 15.517650) (1575131439820, 18, 14.038033) (1575131440820, 32, 19.859648) (1575131441820, 16, 13.220840) (1575131442820, 28, 16.445398) (1575131443820, 26, 16.695753) (1575131444820, 33, 13.696928) (1575131445820, 21, 15.352819) (1575131446820, 15, 12.388407) (1575131447820, 27, 11.267529) (1575131448820, 20, 14.103228) (1575131449820, 20, 16.250950) (1575131450820, 30, 16.236088) (1575131451820, 22, 18.305340) (1575131452820, 25, 17.360685) (1575131453820, 25, 14.978681) (1575131454820, 33, 14.096183) (1575131455820, 26, 10.019039) (1575131456820, 19, 19.158213) (1575131457820, 22, 15.593924) (1575131458820, 26, 18.780119) (1575131459820, 21, 16.001656) (1575131460820, 16, 18.458328) (1575131461820, 21, 16.417843) (1575131462820, 28, 11.736558) (1575131463820, 34, 18.143946) (1575131464820, 27, 10.303225) (1575131465820, 20, 19.756748) (1575131466820, 22, 12.940063) (1575131467820, 23, 11.509640) (1575131468820, 19, 18.319309) (1575131469820, 19, 16.278345) (1575131470820, 27, 10.898361) (1575131471820, 31, 13.922162) (1575131472820, 15, 19.296116) (1575131473820, 26, 15.885763) (1575131474820, 15, 15.525804) (1575131475820, 19, 19.579538) (1575131476820, 20, 11.073811) (1575131477820, 16, 13.932510) (1575131478820, 17, 11.900328) (1575131479820, 22, 16.540415) (1575131480820, 33, 15.203803) (1575131481820, 17, 11.518434) (1575131482820, 17, 13.152081) (1575131483820, 18, 11.378041) (1575131484820, 21, 15.390745) (1575131485820, 30, 15.127818) (1575131486820, 19, 16.530401) (1575131487820, 32, 16.542702) (1575131488820, 26, 16.366442) (1575131489820, 25, 10.306822) (1575131490820, 15, 13.691117) (1575131491820, 15, 13.476817) (1575131492820, 25, 12.529998) (1575131493820, 22, 15.550021) (1575131494820, 20, 15.064971) (1575131495820, 24, 13.313683) (1575131496820, 23, 17.002878) (1575131497820, 30, 19.991594) (1575131498820, 15, 11.116746) (1575131499810, 16, 19.405090) (1575131500810, 22, 14.377142) (1575131501810, 16, 16.868231) (1575131502810, 20, 11.565193) (1575131503810, 31, 13.009119) (1575131504810, 29, 18.136400) (1575131505810, 17, 13.806572) (1575131506810, 23, 14.688898) (1575131507810, 26, 12.931019) (1575131508810, 32, 12.185531) (1575131509810, 30, 13.608714) (1575131510810, 23, 18.624914) (1575131511810, 22, 12.970826) (1575131512810, 22, 12.065827) (1575131513810, 25, 16.967192) (1575131514810, 16, 10.283031) (1575131515810, 22, 16.072535) (1575131516810, 24, 10.794536) (1575131517810, 32, 10.591207) (1575131518810, 20, 13.015227) (1575131519810, 28, 15.410999) (1575131520810, 29, 12.785076) (1575131521810, 28, 15.305857) (1575131522810, 33, 12.820810) (1575131523810, 34, 13.618055) (1575131524810, 32, 12.971123) (1575131525810, 24, 10.974546) (1575131526810, 15, 10.742910) (1575131527810, 23, 16.810783) (1575131528810, 18, 13.115224) (1575131529810, 26, 17.418489) (1575131530810, 20, 17.302315) (1575131531810, 21, 14.283571) (1575131532810, 16, 16.826534) (1575131533810, 18, 19.222122) (1575131534810, 18, 14.931420) (1575131535810, 17, 19.549454) (1575131536810, 22, 16.908388) (1575131537810, 32, 15.637796) (1575131538810, 31, 15.517650) (1575131539810, 18, 14.038033) (1575131540810, 32, 19.859648) (1575131541810, 16, 13.220840) (1575131542810, 28, 16.445398) (1575131543810, 26, 16.695753) (1575131544810, 33, 13.696928) (1575131545810, 21, 15.352819) (1575131546810, 15, 12.388407) (1575131547810, 27, 11.267529) (1575131548810, 20, 14.103228) (1575131549810, 20, 16.250950) (1575131550810, 30, 16.236088) (1575131551810, 22, 18.305340) (1575131552810, 25, 17.360685) (1575131553810, 25, 14.978681) (1575131554810, 33, 14.096183) (1575131555810, 26, 10.019039) (1575131556810, 19, 19.158213) (1575131557810, 22, 15.593924) (1575131558810, 26, 18.780119) (1575131559810, 21, 16.001656) (1575131560810, 16, 18.458328) (1575131561810, 21, 16.417843) (1575131562810, 28, 11.736558) (1575131563810, 34, 18.143946) (1575131564810, 27, 10.303225) (1575131565810, 20, 19.756748) (1575131566810, 22, 12.940063) (1575131567810, 23, 11.509640) (1575131568810, 19, 18.319309) (1575131569810, 19, 16.278345) (1575131570810, 27, 10.898361) (1575131571810, 31, 13.922162) (1575131572810, 15, 19.296116) (1575131573810, 26, 15.885763) (1575131574810, 15, 15.525804) (1575131575810, 19, 19.579538) (1575131576810, 20, 11.073811) (1575131577810, 16, 13.932510) (1575131578810, 17, 11.900328) (1575131579810, 22, 16.540415) (1575131580810, 33, 15.203803) (1575131581810, 17, 11.518434) (1575131582810, 17, 13.152081) (1575131583810, 18, 11.378041) (1575131584810, 21, 15.390745) (1575131585810, 30, 15.127818) (1575131586810, 19, 16.530401) (1575131587810, 32, 16.542702) (1575131588810, 26, 16.366442) (1575131589810, 25, 10.306822) (1575131590810, 15, 13.691117) (1575131591810, 15, 13.476817) (1575131592810, 25, 12.529998) (1575131593810, 22, 15.550021) (1575131594810, 20, 15.064971) (1575131595810, 24, 13.313683) (1575131596810, 23, 17.002878) (1575131597810, 30, 19.991594) (1575131598810, 15, 11.116746) (1575131599800, 16, 19.405090) (1575131600800, 22, 14.377142) (1575131601800, 16, 16.868231) (1575131602800, 20, 11.565193) (1575131603800, 31, 13.009119) (1575131604800, 29, 18.136400) (1575131605800, 17, 13.806572) (1575131606800, 23, 14.688898) (1575131607800, 26, 12.931019) (1575131608800, 32, 12.185531) (1575131609800, 30, 13.608714) (1575131610800, 23, 18.624914) (1575131611800, 22, 12.970826) (1575131612800, 22, 12.065827) (1575131613800, 25, 16.967192) (1575131614800, 16, 10.283031) (1575131615800, 22, 16.072535) (1575131616800, 24, 10.794536) (1575131617800, 32, 10.591207) (1575131618800, 20, 13.015227) (1575131619800, 28, 15.410999) (1575131620800, 29, 12.785076) (1575131621800, 28, 15.305857) (1575131622800, 33, 12.820810) (1575131623800, 34, 13.618055) (1575131624800, 32, 12.971123) (1575131625800, 24, 10.974546) (1575131626800, 15, 10.742910) (1575131627800, 23, 16.810783) (1575131628800, 18, 13.115224) (1575131629800, 26, 17.418489) (1575131630800, 20, 17.302315) (1575131631800, 21, 14.283571) (1575131632800, 16, 16.826534) (1575131633800, 18, 19.222122) (1575131634800, 18, 14.931420) (1575131635800, 17, 19.549454) (1575131636800, 22, 16.908388) (1575131637800, 32, 15.637796) (1575131638800, 31, 15.517650) (1575131639800, 18, 14.038033) (1575131640800, 32, 19.859648) (1575131641800, 16, 13.220840) (1575131642800, 28, 16.445398) (1575131643800, 26, 16.695753) (1575131644800, 33, 13.696928) (1575131645800, 21, 15.352819) (1575131646800, 15, 12.388407) (1575131647800, 27, 11.267529) (1575131648800, 20, 14.103228) (1575131649800, 20, 16.250950) (1575131650800, 30, 16.236088) (1575131651800, 22, 18.305340) (1575131652800, 25, 17.360685) (1575131653800, 25, 14.978681) (1575131654800, 33, 14.096183) (1575131655800, 26, 10.019039) (1575131656800, 19, 19.158213) (1575131657800, 22, 15.593924) (1575131658800, 26, 18.780119) (1575131659800, 21, 16.001656) (1575131660800, 16, 18.458328) (1575131661800, 21, 16.417843) (1575131662800, 28, 11.736558) (1575131663800, 34, 18.143946) (1575131664800, 27, 10.303225) (1575131665800, 20, 19.756748) (1575131666800, 22, 12.940063) (1575131667800, 23, 11.509640) (1575131668800, 19, 18.319309) (1575131669800, 19, 16.278345) (1575131670800, 27, 10.898361) (1575131671800, 31, 13.922162) (1575131672800, 15, 19.296116) (1575131673800, 26, 15.885763) (1575131674800, 15, 15.525804) (1575131675800, 19, 19.579538) (1575131676800, 20, 11.073811) (1575131677800, 16, 13.932510) (1575131678800, 17, 11.900328) (1575131679800, 22, 16.540415) (1575131680800, 33, 15.203803) (1575131681800, 17, 11.518434) (1575131682800, 17, 13.152081) (1575131683800, 18, 11.378041) (1575131684800, 21, 15.390745) (1575131685800, 30, 15.127818) (1575131686800, 19, 16.530401) (1575131687800, 32, 16.542702) (1575131688800, 26, 16.366442) (1575131689800, 25, 10.306822) (1575131690800, 15, 13.691117) (1575131691800, 15, 13.476817) (1575131692800, 25, 12.529998) (1575131693800, 22, 15.550021)")
+
+    end_time = int(round(time.time() * 1000))
+    tdLog.info("Execute time with compress: %dms" % (end_time - start_time))
+
+    simLogPath = tdDnodes.getSimLogPath()
+    grepCmd = "grep -a 'compress rpc msg, before:' -r %s | head -2" % simLogPath
+    output = subprocess.check_output(grepCmd, shell=True).decode("utf-8")
+
+    if output != "":
+        tdLog.info("Find %s in log file." % output)
+        tdLog.success("%s successfully executed! Compress works as expected." % __file__)
+    else:
+        tdLog.exit("%s failed! Compress does NOT works." % __file__)
+
+    conn.close()

tests/pytest/testNoCompress.py

+#!/usr/bin/python
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+# install pip
+# pip install src/connector/python/linux/python2/
+
+# -*- coding: utf-8 -*-
+import sys
+import getopt
+import subprocess
+from distutils.log import warn as printf
+
+from util.log import *
+from util.dnodes import *
+from util.cases import *
+from util.sql import *
+
+import taos
+
+
+if __name__ == "__main__":
+    fileName = "all"
+    deployPath = ""
+    masterIp = ""
+    testCluster = False
+    valgrind = 0
+    logSql = True
+    stop = 0
+    opts, args = getopt.gnu_getopt(sys.argv[1:], 'l:sgh', [
+        'file=', 'path=', 'master', 'logSql', 'stop', 'cluster', 'valgrind', 'help'])
+    for key, value in opts:
+        if key in ['-h', '--help']:
+            tdLog.printNoPrefix(
+                'A collection of test cases written using Python')
+            tdLog.printNoPrefix('-l <True:False> logSql Flag')
+            tdLog.printNoPrefix('-s stop All dnodes')
+            tdLog.printNoPrefix('-g valgrind Test Flag')
+            sys.exit(0)
+
+        if key in ['-l', '--logSql']:
+            if (value.upper() == "TRUE"):
+                logSql = True
+            elif (value.upper() == "FALSE"):
+                logSql = False
+            else:
+                tdLog.printNoPrefix("logSql value %s is invalid" % logSql)
+                sys.exit(0)
+
+        if key in ['-g', '--valgrind']:
+            valgrind = 1
+
+        if key in ['-s', '--stop']:
+            stop = 1
+
+    if (stop != 0):
+        if (valgrind == 0):
+            toBeKilled = "taosd"
+        else:
+            toBeKilled = "valgrind.bin"
+
+        killCmd = "ps -ef|grep -w %s| grep -v grep | awk '{print $2}' | xargs kill -HUP > /dev/null 2>&1" % toBeKilled
+
+        psCmd = "ps -ef|grep -w %s| grep -v grep | awk '{print $2}'" % toBeKilled
+        processID = subprocess.check_output(psCmd, shell=True)
+
+        while(processID):
+            os.system(killCmd)
+            time.sleep(1)
+            processID = subprocess.check_output(psCmd, shell=True)
+
+        for port in range(6030, 6041):
+            usePortPID = "lsof -i tcp:%d | grep LISTEn | awk '{print $2}'" % port
+            processID = subprocess.check_output(usePortPID, shell=True)
+
+            if processID:
+                killCmd = "kill -9 %s" % processID
+                os.system(killCmd)
+            fuserCmd = "fuser -k -n tcp %d" % port
+            os.system(fuserCmd)
+        if valgrind:
+            time.sleep(2)
+
+        tdLog.info('stop All dnodes')
+        sys.exit(0)
+
+    tdDnodes.init(deployPath)
+    tdDnodes.setTestCluster(testCluster)
+    tdDnodes.setValgrind(valgrind)
+
+    tdDnodes.stopAll()
+    tdDnodes.addSimExtraCfg("compressMsgSize", "-1")
+    tdDnodes.deploy(1)
+    tdDnodes.start(1)
+
+    host = '127.0.0.1'
+
+    tdLog.info("Procedures for tdengine deployed in %s" % (host))
+
+    tdCases.logSql(logSql)
+
+    conn = taos.connect(
+        host,
+        config=tdDnodes.getSimCfgPath())
+
+    tdSql.init(conn.cursor(), logSql)
+
+    tdSql.execute("CREATE DATABASE IF NOT EXISTS t10b")
+    tdSql.execute("USE t10b")
+    tdSql.execute(
+        "CREATE TABLE IF NOT EXISTS s_sensor_info (ts TIMESTAMP, temperature INT, humidity FLOAT)")
+
+    start_time = int(round(time.time() * 1000))
+    for i in range(1, 1000):
+        tdSql.execute("IMPORT INTO s_sensor_info VALUES (1575129600000, 16, 19.405090) (1575129601000, 22, 14.377142) (1575129602000, 16, 16.868231) (1575129603000, 20, 11.565193) (1575129604000, 31, 13.009119) (1575129605000, 29, 18.136400) (1575129606000, 17, 13.806572) (1575129607000, 23, 14.688898) (1575129608000, 26, 12.931019) (1575129609000, 32, 12.185531) (1575129610000, 30, 13.608714) (1575129611000, 23, 18.624914) (1575129612000, 22, 12.970826) (1575129613000, 22, 12.065827) (1575129614000, 25, 16.967192) (1575129615000, 16, 10.283031) (1575129616000, 22, 16.072535) (1575129617000, 24, 10.794536) (1575129618000, 32, 10.591207) (1575129619000, 20, 13.015227) (1575129620000, 28, 15.410999) (1575129621000, 29, 12.785076) (1575129622000, 28, 15.305857) (1575129623000, 33, 12.820810) (1575129624000, 34, 13.618055) (1575129625000, 32, 12.971123) (1575129626000, 24, 10.974546) (1575129627000, 15, 10.742910) (1575129628000, 23, 16.810783) (1575129629000, 18, 13.115224) (1575129630000, 26, 17.418489) (1575129631000, 20, 17.302315) (1575129632000, 21, 14.283571) (1575129633000, 16, 16.826534) (1575129634000, 18, 19.222122) (1575129635000, 18, 14.931420) (1575129636000, 17, 19.549454) (1575129637000, 22, 16.908388) (1575129638000, 32, 15.637796) (1575129639000, 31, 15.517650) (1575129640000, 18, 14.038033) (1575129641000, 32, 19.859648) (1575129642000, 16, 13.220840) (1575129643000, 28, 16.445398) (1575129644000, 26, 16.695753) (1575129645000, 33, 13.696928) (1575129646000, 21, 15.352819) (1575129647000, 15, 12.388407) (1575129648000, 27, 11.267529) (1575129649000, 20, 14.103228) (1575129650000, 20, 16.250950) (1575129651000, 30, 16.236088) (1575129652000, 22, 18.305340) (1575129653000, 25, 17.360685) (1575129654000, 25, 14.978681) (1575129655000, 33, 14.096183) (1575129656000, 26, 10.019039) (1575129657000, 19, 19.158213) (1575129658000, 22, 15.593924) (1575129659000, 26, 18.780119) (1575129660000, 21, 16.001656) (1575129661000, 16, 18.458328) 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(1575131485820, 30, 15.127818) (1575131486820, 19, 16.530401) (1575131487820, 32, 16.542702) (1575131488820, 26, 16.366442) (1575131489820, 25, 10.306822) (1575131490820, 15, 13.691117) (1575131491820, 15, 13.476817) (1575131492820, 25, 12.529998) (1575131493820, 22, 15.550021) (1575131494820, 20, 15.064971) (1575131495820, 24, 13.313683) (1575131496820, 23, 17.002878) (1575131497820, 30, 19.991594) (1575131498820, 15, 11.116746) (1575131499810, 16, 19.405090) (1575131500810, 22, 14.377142) (1575131501810, 16, 16.868231) (1575131502810, 20, 11.565193) (1575131503810, 31, 13.009119) (1575131504810, 29, 18.136400) (1575131505810, 17, 13.806572) (1575131506810, 23, 14.688898) (1575131507810, 26, 12.931019) (1575131508810, 32, 12.185531) (1575131509810, 30, 13.608714) (1575131510810, 23, 18.624914) (1575131511810, 22, 12.970826) (1575131512810, 22, 12.065827) (1575131513810, 25, 16.967192) (1575131514810, 16, 10.283031) (1575131515810, 22, 16.072535) (1575131516810, 24, 10.794536) (1575131517810, 32, 10.591207) (1575131518810, 20, 13.015227) (1575131519810, 28, 15.410999) (1575131520810, 29, 12.785076) (1575131521810, 28, 15.305857) (1575131522810, 33, 12.820810) (1575131523810, 34, 13.618055) (1575131524810, 32, 12.971123) (1575131525810, 24, 10.974546) (1575131526810, 15, 10.742910) (1575131527810, 23, 16.810783) (1575131528810, 18, 13.115224) (1575131529810, 26, 17.418489) (1575131530810, 20, 17.302315) (1575131531810, 21, 14.283571) (1575131532810, 16, 16.826534) (1575131533810, 18, 19.222122) (1575131534810, 18, 14.931420) (1575131535810, 17, 19.549454) (1575131536810, 22, 16.908388) (1575131537810, 32, 15.637796) (1575131538810, 31, 15.517650) (1575131539810, 18, 14.038033) (1575131540810, 32, 19.859648) (1575131541810, 16, 13.220840) (1575131542810, 28, 16.445398) (1575131543810, 26, 16.695753) (1575131544810, 33, 13.696928) (1575131545810, 21, 15.352819) (1575131546810, 15, 12.388407) (1575131547810, 27, 11.267529) (1575131548810, 20, 14.103228) (1575131549810, 20, 16.250950) (1575131550810, 30, 16.236088) (1575131551810, 22, 18.305340) (1575131552810, 25, 17.360685) (1575131553810, 25, 14.978681) (1575131554810, 33, 14.096183) (1575131555810, 26, 10.019039) (1575131556810, 19, 19.158213) (1575131557810, 22, 15.593924) (1575131558810, 26, 18.780119) (1575131559810, 21, 16.001656) (1575131560810, 16, 18.458328) (1575131561810, 21, 16.417843) (1575131562810, 28, 11.736558) (1575131563810, 34, 18.143946) (1575131564810, 27, 10.303225) (1575131565810, 20, 19.756748) (1575131566810, 22, 12.940063) (1575131567810, 23, 11.509640) (1575131568810, 19, 18.319309) (1575131569810, 19, 16.278345) (1575131570810, 27, 10.898361) (1575131571810, 31, 13.922162) (1575131572810, 15, 19.296116) (1575131573810, 26, 15.885763) (1575131574810, 15, 15.525804) (1575131575810, 19, 19.579538) (1575131576810, 20, 11.073811) (1575131577810, 16, 13.932510) (1575131578810, 17, 11.900328) (1575131579810, 22, 16.540415) (1575131580810, 33, 15.203803) (1575131581810, 17, 11.518434) (1575131582810, 17, 13.152081) (1575131583810, 18, 11.378041) (1575131584810, 21, 15.390745) (1575131585810, 30, 15.127818) (1575131586810, 19, 16.530401) (1575131587810, 32, 16.542702) (1575131588810, 26, 16.366442) (1575131589810, 25, 10.306822) (1575131590810, 15, 13.691117) (1575131591810, 15, 13.476817) (1575131592810, 25, 12.529998) (1575131593810, 22, 15.550021) (1575131594810, 20, 15.064971) (1575131595810, 24, 13.313683) (1575131596810, 23, 17.002878) (1575131597810, 30, 19.991594) (1575131598810, 15, 11.116746) (1575131599800, 16, 19.405090) (1575131600800, 22, 14.377142) (1575131601800, 16, 16.868231) (1575131602800, 20, 11.565193) (1575131603800, 31, 13.009119) (1575131604800, 29, 18.136400) (1575131605800, 17, 13.806572) (1575131606800, 23, 14.688898) (1575131607800, 26, 12.931019) (1575131608800, 32, 12.185531) (1575131609800, 30, 13.608714) (1575131610800, 23, 18.624914) (1575131611800, 22, 12.970826) (1575131612800, 22, 12.065827) (1575131613800, 25, 16.967192) (1575131614800, 16, 10.283031) (1575131615800, 22, 16.072535) (1575131616800, 24, 10.794536) (1575131617800, 32, 10.591207) (1575131618800, 20, 13.015227) (1575131619800, 28, 15.410999) (1575131620800, 29, 12.785076) (1575131621800, 28, 15.305857) (1575131622800, 33, 12.820810) (1575131623800, 34, 13.618055) (1575131624800, 32, 12.971123) (1575131625800, 24, 10.974546) (1575131626800, 15, 10.742910) (1575131627800, 23, 16.810783) (1575131628800, 18, 13.115224) (1575131629800, 26, 17.418489) (1575131630800, 20, 17.302315) (1575131631800, 21, 14.283571) (1575131632800, 16, 16.826534) (1575131633800, 18, 19.222122) (1575131634800, 18, 14.931420) (1575131635800, 17, 19.549454) (1575131636800, 22, 16.908388) (1575131637800, 32, 15.637796) (1575131638800, 31, 15.517650) (1575131639800, 18, 14.038033) (1575131640800, 32, 19.859648) (1575131641800, 16, 13.220840) (1575131642800, 28, 16.445398) (1575131643800, 26, 16.695753) (1575131644800, 33, 13.696928) (1575131645800, 21, 15.352819) (1575131646800, 15, 12.388407) (1575131647800, 27, 11.267529) (1575131648800, 20, 14.103228) (1575131649800, 20, 16.250950) (1575131650800, 30, 16.236088) (1575131651800, 22, 18.305340) (1575131652800, 25, 17.360685) (1575131653800, 25, 14.978681) (1575131654800, 33, 14.096183) (1575131655800, 26, 10.019039) (1575131656800, 19, 19.158213) (1575131657800, 22, 15.593924) (1575131658800, 26, 18.780119) (1575131659800, 21, 16.001656) (1575131660800, 16, 18.458328) (1575131661800, 21, 16.417843) (1575131662800, 28, 11.736558) (1575131663800, 34, 18.143946) (1575131664800, 27, 10.303225) (1575131665800, 20, 19.756748) (1575131666800, 22, 12.940063) (1575131667800, 23, 11.509640) (1575131668800, 19, 18.319309) (1575131669800, 19, 16.278345) (1575131670800, 27, 10.898361) (1575131671800, 31, 13.922162) (1575131672800, 15, 19.296116) (1575131673800, 26, 15.885763) (1575131674800, 15, 15.525804) (1575131675800, 19, 19.579538) (1575131676800, 20, 11.073811) (1575131677800, 16, 13.932510) (1575131678800, 17, 11.900328) (1575131679800, 22, 16.540415) (1575131680800, 33, 15.203803) (1575131681800, 17, 11.518434) (1575131682800, 17, 13.152081) (1575131683800, 18, 11.378041) (1575131684800, 21, 15.390745) (1575131685800, 30, 15.127818) (1575131686800, 19, 16.530401) (1575131687800, 32, 16.542702) (1575131688800, 26, 16.366442) (1575131689800, 25, 10.306822) (1575131690800, 15, 13.691117) (1575131691800, 15, 13.476817) (1575131692800, 25, 12.529998) (1575131693800, 22, 15.550021)")
+
+    end_time = int(round(time.time() * 1000))
+    tdLog.info("Execute time without compress: %dms" % (end_time - start_time))
+
+    simLogPath = tdDnodes.getSimLogPath()
+    grepCmd = "grep -a 'compress rpc msg, before:' -r %s | head -2" % simLogPath
+    output = subprocess.check_output(grepCmd, shell=True).decode("utf-8")
+
+    if output != "":
+        tdLog.info("Find %s in log file." % output)
+        tdLog.exit("%s successfully executed! Compress works but NOT expected." % __file__)
+    else:
+        tdLog.success("%s failed! Compress does NOT works as expected." % __file__)
+
+    conn.close()

tests/pytest/util/dnodes-random-fail.py

+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+import os
+import os.path
+import subprocess
+from util.log import *
+
+
+class TDSimClient:
+    def __init__(self):
+        self.testCluster = False
+
+        self.cfgDict = {
+            "numOfLogLines": "100000000",
+            "numOfThreadsPerCore": "2.0",
+            "locale": "en_US.UTF-8",
+            "charset": "UTF-8",
+            "asyncLog": "0",
+            "anyIp": "0",
+            "sdbDebugFlag": "135",
+            "rpcDebugFlag": "135",
+            "tmrDebugFlag": "131",
+            "cDebugFlag": "135",
+            "udebugFlag": "135",
+            "jnidebugFlag": "135",
+            "qdebugFlag": "135",
+            }
+
+    def init(self, path):
+        self.__init__()
+        self.path = path
+
+    def getLogDir(self):
+        self.logDir = "%s/sim/psim/log" % (self.path)
+        return self.logDir
+
+    def getCfgDir(self):
+        self.cfgDir = "%s/sim/psim/cfg" % (self.path)
+        return self.cfgDir
+
+    def setTestCluster(self, value):
+        self.testCluster = value
+
+    def addExtraCfg(self, option, value):
+        self.cfgDict.update({option: value})
+
+    def cfg(self, option, value):
+        cmd = "echo '%s %s' >> %s" % (option, value, self.cfgPath)
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+    def deploy(self):
+        self.logDir = "%s/sim/psim/log" % (self.path)
+        self.cfgDir = "%s/sim/psim/cfg" % (self.path)
+        self.cfgPath = "%s/sim/psim/cfg/taos.cfg" % (self.path)
+
+        cmd = "rm -rf " + self.logDir
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+    
+        cmd = "mkdir -p " + self.logDir
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        cmd = "rm -rf " + self.cfgDir
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        cmd = "mkdir -p " + self.cfgDir
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        cmd = "touch " + self.cfgPath
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        if self.testCluster:
+            self.cfg("masterIp", "192.168.0.1")
+            self.cfg("secondIp", "192.168.0.2")
+        self.cfg("logDir", self.logDir)
+
+        for key, value in self.cfgDict.items():
+            self.cfg(key, value)
+
+        tdLog.debug("psim is deployed and configured by %s" % (self.cfgPath))
+
+
+class TDDnode:
+    def __init__(self, index):
+        self.index = index
+        self.running = 0
+        self.deployed = 0
+        self.testCluster = False
+        self.valgrind = 0
+
+    def init(self, path):
+        self.path = path
+
+    def setTestCluster(self, value):
+        self.testCluster = value
+
+    def setValgrind(self, value):
+        self.valgrind = value
+
+    def getDataSize(self):
+        totalSize = 0
+
+        if (self.deployed == 1):
+            for dirpath, dirnames, filenames in os.walk(self.dataDir):
+                for f in filenames:
+                    fp = os.path.join(dirpath, f)
+
+                    if not os.path.islink(fp):
+                        totalSize = totalSize + os.path.getsize(fp)
+
+        return totalSize
+
+    def deploy(self):
+        self.logDir = "%s/sim/dnode%d/log" % (self.path, self.index)
+        self.dataDir = "%s/sim/dnode%d/data" % (self.path, self.index)
+        self.cfgDir = "%s/sim/dnode%d/cfg" % (self.path, self.index)
+        self.cfgPath = "%s/sim/dnode%d/cfg/taos.cfg" % (
+            self.path, self.index)
+
+        cmd = "rm -rf " + self.dataDir
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        cmd = "rm -rf " + self.logDir
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        cmd = "rm -rf " + self.cfgDir
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        cmd = "mkdir -p " + self.dataDir
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        cmd = "mkdir -p " + self.logDir
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        cmd = "mkdir -p " + self.cfgDir
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        cmd = "touch " + self.cfgPath
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+        if self.testCluster:
+            self.startIP()
+
+        if self.testCluster:
+            self.cfg("masterIp", "192.168.0.1")
+            self.cfg("secondIp", "192.168.0.2")
+            self.cfg("publicIp", "192.168.0.%d" % (self.index))
+            self.cfg("internalIp", "192.168.0.%d" % (self.index))
+            self.cfg("privateIp", "192.168.0.%d" % (self.index))
+        self.cfg("dataDir", self.dataDir)
+        self.cfg("logDir", self.logDir)
+        self.cfg("numOfLogLines", "100000000")
+        self.cfg("mnodeEqualVnodeNum", "0")
+        self.cfg("walLevel", "1")
+        self.cfg("statusInterval", "1")
+        self.cfg("numOfTotalVnodes", "64")
+        self.cfg("numOfMnodes", "3")
+        self.cfg("numOfThreadsPerCore", "2.0")
+        self.cfg("monitor", "0")
+        self.cfg("maxVnodeConnections", "30000")
+        self.cfg("maxMgmtConnections", "30000")
+        self.cfg("maxMeterConnections", "30000")
+        self.cfg("maxShellConns", "30000")
+        self.cfg("locale", "en_US.UTF-8")
+        self.cfg("charset", "UTF-8")
+        self.cfg("asyncLog", "0")
+        self.cfg("anyIp", "0")
+        self.cfg("dDebugFlag", "135")
+        self.cfg("mDebugFlag", "135")
+        self.cfg("sdbDebugFlag", "135")
+        self.cfg("rpcDebugFlag", "135")
+        self.cfg("tmrDebugFlag", "131")
+        self.cfg("cDebugFlag", "135")
+        self.cfg("httpDebugFlag", "135")
+        self.cfg("monitorDebugFlag", "135")
+        self.cfg("udebugFlag", "135")
+        self.cfg("jnidebugFlag", "135")
+        self.cfg("qdebugFlag", "135")
+        self.deployed = 1
+        tdLog.debug(
+            "dnode:%d is deployed and configured by %s" %
+            (self.index, self.cfgPath))
+
+    def getBuildPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("community")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+
+        for root, dirs, files in os.walk(projPath):
+            if ("taosd" in files):
+                rootRealPath = os.path.dirname(os.path.realpath(root))
+                if ("packaging" not in rootRealPath):
+                    buildPath = root[:len(root)-len("/build/bin")]
+                    break
+        return buildPath
+
+    def start(self):
+        buildPath = self.getBuildPath()
+
+        if (buildPath == ""):
+            tdLog.exit("taosd not found!")
+        else:
+            tdLog.info("taosd found in %s" % buildPath)
+
+        binPath = buildPath + "/build/bin/taosd"
+
+        if self.deployed == 0:
+            tdLog.exit("dnode:%d is not deployed" % (self.index))
+
+        if self.valgrind == 0:
+            cmd = "nohup %s -c %s > /dev/null 2>&1 & " % (
+                binPath, self.cfgDir)
+        else:
+            valgrindCmdline = "valgrind --tool=memcheck --leak-check=full --show-reachable=no --track-origins=yes --show-leak-kinds=all -v --workaround-gcc296-bugs=yes"
+
+            cmd = "nohup %s %s -c %s --random-file-fail-factor 5 2>&1 & " % (
+                valgrindCmdline, binPath, self.cfgDir)
+
+            print(cmd)
+
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+        self.running = 1
+        tdLog.debug("dnode:%d is running with %s " % (self.index, cmd))
+
+        tdLog.debug("wait 5 seconds for the dnode:%d to start." % (self.index))
+        time.sleep(5)
+
+    def stop(self):
+        if self.valgrind == 0:
+            toBeKilled = "taosd"
+        else:
+            toBeKilled = "valgrind.bin"
+
+        if self.running != 0:
+            psCmd = "ps -ef|grep -w %s| grep -v grep | awk '{print $2}'" % toBeKilled
+            processID = subprocess.check_output(
+                psCmd, shell=True).decode("utf-8")
+
+            while(processID):
+                killCmd = "kill -INT %s > /dev/null 2>&1" % processID
+                os.system(killCmd)
+                time.sleep(1)
+                processID = subprocess.check_output(
+                    psCmd, shell=True).decode("utf-8")
+            for port in range(6030, 6041):
+                fuserCmd = "fuser -k -n tcp %d" % port
+                os.system(fuserCmd)
+            if self.valgrind:
+                time.sleep(2)
+
+            self.running = 0
+            tdLog.debug("dnode:%d is stopped by kill -INT" % (self.index))
+
+    def forcestop(self):
+        if self.valgrind == 0:
+            toBeKilled = "taosd"
+        else:
+            toBeKilled = "valgrind.bin"
+
+        if self.running != 0:
+            psCmd = "ps -ef|grep -w %s| grep -v grep | awk '{print $2}'" % toBeKilled
+            processID = subprocess.check_output(
+                psCmd, shell=True).decode("utf-8")
+
+            while(processID):
+                killCmd = "kill -KILL %s > /dev/null 2>&1" % processID
+                os.system(killCmd)
+                time.sleep(1)
+                processID = subprocess.check_output(
+                    psCmd, shell=True).decode("utf-8")
+            for port in range(6030, 6041):
+                fuserCmd = "fuser -k -n tcp %d" % port
+                os.system(fuserCmd)
+            if self.valgrind:
+                time.sleep(2)
+
+            self.running = 0
+            tdLog.debug("dnode:%d is stopped by kill -KILL" % (self.index))
+
+    def startIP(self):
+        cmd = "sudo ifconfig lo:%d 192.168.0.%d up" % (self.index, self.index)
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+    def stopIP(self):
+        cmd = "sudo ifconfig lo:%d 192.168.0.%d down" % (
+            self.index, self.index)
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+    def cfg(self, option, value):
+        cmd = "echo '%s %s' >> %s" % (option, value, self.cfgPath)
+        if os.system(cmd) != 0:
+            tdLog.exit(cmd)
+
+    def getDnodeRootDir(self, index):
+        dnodeRootDir = "%s/sim/psim/dnode%d" % (self.path, index)
+        return dnodeRootDir
+
+    def getDnodesRootDir(self):
+        dnodesRootDir = "%s/sim/psim" % (self.path)
+        return dnodesRootDir
+
+
+class TDDnodes:
+    def __init__(self):
+        self.dnodes = []
+        self.dnodes.append(TDDnode(1))
+        self.dnodes.append(TDDnode(2))
+        self.dnodes.append(TDDnode(3))
+        self.dnodes.append(TDDnode(4))
+        self.dnodes.append(TDDnode(5))
+        self.dnodes.append(TDDnode(6))
+        self.dnodes.append(TDDnode(7))
+        self.dnodes.append(TDDnode(8))
+        self.dnodes.append(TDDnode(9))
+        self.dnodes.append(TDDnode(10))
+        self.simDeployed = False
+
+    def init(self, path):
+        psCmd = "ps -ef|grep -w taosd| grep -v grep | awk '{print $2}'"
+        processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
+        while(processID):
+            killCmd = "kill -KILL %s > /dev/null 2>&1" % processID
+            os.system(killCmd)
+            time.sleep(1)
+            processID = subprocess.check_output(
+                psCmd, shell=True).decode("utf-8")
+
+        psCmd = "ps -ef|grep -w valgrind.bin| grep -v grep | awk '{print $2}'"
+        processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
+        while(processID):
+            killCmd = "kill -KILL %s > /dev/null 2>&1" % processID
+            os.system(killCmd)
+            time.sleep(1)
+            processID = subprocess.check_output(
+                psCmd, shell=True).decode("utf-8")
+
+        binPath = os.path.dirname(os.path.realpath(__file__))
+        binPath = binPath + "/../../../debug/"
+        tdLog.debug("binPath %s" % (binPath))
+        binPath = os.path.realpath(binPath)
+        tdLog.debug("binPath real path %s" % (binPath))
+
+        # cmd = "sudo cp %s/build/lib/libtaos.so /usr/local/lib/taos/" % (binPath)
+        # tdLog.debug(cmd)
+        # os.system(cmd)
+
+        # cmd = "sudo cp %s/build/bin/taos /usr/local/bin/taos/" % (binPath)
+        # if os.system(cmd) != 0 :
+        #  tdLog.exit(cmd)
+        # tdLog.debug("execute %s" % (cmd))
+
+        # cmd = "sudo cp %s/build/bin/taosd /usr/local/bin/taos/" % (binPath)
+        # if os.system(cmd) != 0 :
+        # tdLog.exit(cmd)
+        # tdLog.debug("execute %s" % (cmd))
+
+        if path == "":
+            # self.path = os.path.expanduser('~')
+            self.path = os.path.abspath(binPath + "../../")
+        else:
+            self.path = os.path.realpath(path)
+
+        for i in range(len(self.dnodes)):
+            self.dnodes[i].init(self.path)
+
+        self.sim = TDSimClient()
+        self.sim.init(self.path)
+
+    def setTestCluster(self, value):
+        self.testCluster = value
+
+    def setValgrind(self, value):
+        self.valgrind = value
+
+    def deploy(self, index):
+        self.sim.setTestCluster(self.testCluster)
+
+        if (self.simDeployed == False):
+            self.sim.deploy()
+            self.simDeployed = True
+
+        self.check(index)
+        self.dnodes[index - 1].setTestCluster(self.testCluster)
+        self.dnodes[index - 1].setValgrind(self.valgrind)
+        self.dnodes[index - 1].deploy()
+
+    def cfg(self, index, option, value):
+        self.check(index)
+        self.dnodes[index - 1].cfg(option, value)
+
+    def start(self, index):
+        self.check(index)
+        self.dnodes[index - 1].start()
+
+    def stop(self, index):
+        self.check(index)
+        self.dnodes[index - 1].stop()
+
+    def getDataSize(self, index):
+        self.check(index)
+        return self.dnodes[index - 1].getDataSize()
+
+    def forcestop(self, index):
+        self.check(index)
+        self.dnodes[index - 1].forcestop()
+
+    def startIP(self, index):
+        self.check(index)
+
+        if self.testCluster:
+            self.dnodes[index - 1].startIP()
+
+    def stopIP(self, index):
+        self.check(index)
+
+        if self.dnodes[index - 1].testCluster:
+            self.dnodes[index - 1].stopIP()
+
+    def check(self, index):
+        if index < 1 or index > 10:
+            tdLog.exit("index:%d should on a scale of [1, 10]" % (index))
+
+    def stopAll(self):
+        tdLog.info("stop all dnodes")
+        for i in range(len(self.dnodes)):
+            self.dnodes[i].stop()
+
+        psCmd = "ps -ef | grep -w taosd | grep 'root' | grep -v grep | awk '{print $2}'"
+        processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
+        if processID:
+            cmd = "sudo systemctl stop taosd"
+            os.system(cmd)
+        # if os.system(cmd) != 0 :
+        # tdLog.exit(cmd)
+        psCmd = "ps -ef|grep -w taosd| grep -v grep | awk '{print $2}'"
+        processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
+        while(processID):
+            killCmd = "kill -KILL %s > /dev/null 2>&1" % processID
+            os.system(killCmd)
+            time.sleep(1)
+            processID = subprocess.check_output(
+                psCmd, shell=True).decode("utf-8")
+
+        psCmd = "ps -ef|grep -w valgrind.bin| grep -v grep | awk '{print $2}'"
+        processID = subprocess.check_output(psCmd, shell=True).decode("utf-8")
+        while(processID):
+            killCmd = "kill -KILL %s > /dev/null 2>&1" % processID
+            os.system(killCmd)
+            time.sleep(1)
+            processID = subprocess.check_output(
+                psCmd, shell=True).decode("utf-8")
+
+        # if os.system(cmd) != 0 :
+        # tdLog.exit(cmd)
+
+    def getDnodesRootDir(self):
+        dnodesRootDir = "%s/sim" % (self.path)
+        return dnodesRootDir
+
+    def getSimCfgPath(self):
+        return self.sim.getCfgDir()
+
+    def getSimLogPath(self):
+        return self.sim.getLogDir()
+
+    def addSimExtraCfg(self, option, value):
+        self.sim.addExtraCfg(option, value)
+
+
+tdDnodes = TDDnodes()

tests/pytest/util/dnodes.py

@@ -22,23 +22,47 @@ class TDSimClient:
     def __init__(self):
         self.testCluster = False
 
+        self.cfgDict = {
+            "numOfLogLines": "100000000",
+            "numOfThreadsPerCore": "2.0",
+            "locale": "en_US.UTF-8",
+            "charset": "UTF-8",
+            "asyncLog": "0",
+            "maxTablesPerVnode": "4",
+            "maxVgroupsPerDb": "1000",
+            "sdbDebugFlag": "143",
+            "rpcDebugFlag": "135",
+            "tmrDebugFlag": "131",
+            "cDebugFlag": "135",
+            "udebugFlag": "135",
+            "jnidebugFlag": "135",
+            "qdebugFlag": "135",
+            }
     def init(self, path):
         self.__init__()
         self.path = path
 
+    def getLogDir(self):
+        self.logDir = "%s/sim/psim/log" % (self.path)
+        return self.logDir
+
     def getCfgDir(self):
+        self.cfgDir = "%s/sim/psim/cfg" % (self.path)
         return self.cfgDir
 
     def setTestCluster(self, value):
         self.testCluster = value
 
+    def addExtraCfg(self, option, value):
+        self.cfgDict.update({option: value})
+
     def cfg(self, option, value):
         cmd = "echo '%s %s' >> %s" % (option, value, self.cfgPath)
         if os.system(cmd) != 0:
             tdLog.exit(cmd)
 
     def deploy(self):
-        self.logDir = "%s/sim/psim/log" % (self.path,)
+        self.logDir = "%s/sim/psim/log" % (self.path)
         self.cfgDir = "%s/sim/psim/cfg" % (self.path)
         self.cfgPath = "%s/sim/psim/cfg/taos.cfg" % (self.path)
 
@@ -46,11 +70,11 @@ class TDSimClient:
         if os.system(cmd) != 0:
             tdLog.exit(cmd)
     
-        cmd = "rm -rf " + self.cfgDir
+        cmd = "mkdir -p " + self.logDir
         if os.system(cmd) != 0:
             tdLog.exit(cmd)
 
-        cmd = "mkdir -p " + self.logDir
+        cmd = "rm -rf " + self.cfgDir
         if os.system(cmd) != 0:
             tdLog.exit(cmd)
 
@@ -66,21 +90,10 @@ class TDSimClient:
             self.cfg("masterIp", "192.168.0.1")
             self.cfg("secondIp", "192.168.0.2")
         self.cfg("logDir", self.logDir)
-        self.cfg("numOfLogLines", "100000000")
-        self.cfg("numOfThreadsPerCore", "2.0")
-        self.cfg("locale", "en_US.UTF-8")
-        self.cfg("charset", "UTF-8")
-        self.cfg("asyncLog", "0")
-        self.cfg("anyIp", "0")
-        self.cfg("maxVgroupsPerDb", "4")
-        self.cfg("maxTablesPerVnode", "1000")
-        self.cfg("sdbDebugFlag", "135")
-        self.cfg("rpcDebugFlag", "135")
-        self.cfg("tmrDebugFlag", "131")
-        self.cfg("cDebugFlag", "135")
-        self.cfg("udebugFlag", "135")
-        self.cfg("jnidebugFlag", "135")
-        self.cfg("qdebugFlag", "135")
+
+        for key, value in self.cfgDict.items():
+            self.cfg(key, value)
+
         tdLog.debug("psim is deployed and configured by %s" % (self.cfgPath))
 
 
@@ -380,6 +393,9 @@ class TDDnodes:
         for i in range(len(self.dnodes)):
             self.dnodes[i].init(self.path)
 
+        self.sim = TDSimClient()
+        self.sim.init(self.path)
+
     def setTestCluster(self, value):
         self.testCluster = value
 
@@ -387,8 +403,6 @@ class TDDnodes:
         self.valgrind = value
 
     def deploy(self, index):
-        self.sim = TDSimClient()
-        self.sim.init(self.path)
         self.sim.setTestCluster(self.testCluster)
 
         if (self.simDeployed == False):
@@ -476,5 +490,11 @@ class TDDnodes:
     def getSimCfgPath(self):
         return self.sim.getCfgDir()
 
+    def getSimLogPath(self):
+        return self.sim.getLogDir()
+
+    def addSimExtraCfg(self, option, value):
+        self.sim.addExtraCfg(option, value)
+
 
 tdDnodes = TDDnodes()

tests/pytest/util/sql.py

@@ -71,7 +71,8 @@ class TDSql:
         except Exception as e:
             caller = inspect.getframeinfo(inspect.stack()[1][0])
             args = (caller.filename, caller.lineno, sql, repr(e))
-            tdLog.exit("%s(%d) failed: sql:%s, %s" % args)
+            tdLog.notice("%s(%d) failed: sql:%s, %s" % args)
+            raise Exception(repr(e))
         return self.queryRows
 
     def waitedQuery(self, sql, expectRows, timeout):
@@ -89,7 +90,8 @@ class TDSql:
         except Exception as e:
             caller = inspect.getframeinfo(inspect.stack()[1][0])
             args = (caller.filename, caller.lineno, sql, repr(e))
-            tdLog.exit("%s(%d) failed: sql:%s, %s" % args)
+            tdLog.notice("%s(%d) failed: sql:%s, %s" % args)
+            raise Exception(repr(e))
         return (self.queryRows, timeout)
 
     def checkRows(self, expectRows):
@@ -158,7 +160,8 @@ class TDSql:
         except Exception as e:
             caller = inspect.getframeinfo(inspect.stack()[1][0])
             args = (caller.filename, caller.lineno, sql, repr(e))
-            tdLog.exit("%s(%d) failed: sql:%s, %s" % args)
+            tdLog.notice("%s(%d) failed: sql:%s, %s" % args)
+            raise Exception(repr(e))
         return self.affectedRows
 
     def checkAffectedRows(self, expectAffectedRows):

tests/script/general/parser/fill_us.sim

 system sh/stop_dnodes.sh
-system sh/ip.sh -i 1 -s up
-system sh/deploy.sh -n dnode1 -m 192.168.0.1 -i 192.168.0.1
-system sh/cfg.sh -n dnode1 -c commitLog -v 0
+
+system sh/deploy.sh -n dnode1 -i 1
+system sh/cfg.sh -n dnode1 -c walLevel -v 0
 system sh/exec.sh -n dnode1 -s start
 sleep 3000
 sql connect

tests/script/general/parser/testSuite.sim

+sleep 2000
 run general/parser/alter.sim
 sleep 2000
 run general/parser/alter1.sim
@@ -7,7 +8,6 @@ sleep 2000
 run general/parser/auto_create_tb.sim
 sleep 2000
 run general/parser/auto_create_tb_drop_tb.sim
-
 sleep 2000
 run general/parser/col_arithmetic_operation.sim
 sleep 2000
@@ -23,65 +23,61 @@ run general/parser/create_tb.sim
 sleep 2000
 run general/parser/dbtbnameValidate.sim
 sleep 2000
+run general/parser/fill.sim
+sleep 2000
+run general/parser/fill_stb.sim
+sleep 2000                                    
+#run general/parser/fill_us.sim               #
+sleep 2000
+run general/parser/first_last.sim
+sleep 2000
 run general/parser/import_commit1.sim
 sleep 2000
 run general/parser/import_commit2.sim
 sleep 2000
 run general/parser/import_commit3.sim
 sleep 2000
+#run general/parser/import_file.sim
+sleep 2000
 run general/parser/insert_tb.sim
 sleep 2000
-run general/parser/first_last.sim
+run general/parser/tags_dynamically_specifiy.sim
 sleep 2000
-#run general/parser/import_file.sim
+run general/parser/interp.sim
 sleep 2000
 run general/parser/lastrow.sim
 sleep 2000
-run general/parser/nchar.sim
-sleep 2000
-#run general/parser/null_char.sim
+run general/parser/limit.sim
 sleep 2000
-run general/parser/single_row_in_tb.sim
+run general/parser/limit1.sim
 sleep 2000
-run general/parser/select_from_cache_disk.sim
+run general/parser/limit1_tblocks100.sim
 sleep 2000
-run general/parser/selectResNum.sim
+run general/parser/limit2.sim
 sleep 2000
 run general/parser/mixed_blocks.sim
 sleep 2000
-run general/parser/limit1.sim
+run general/parser/nchar.sim
 sleep 2000
-run general/parser/limit.sim
+run general/parser/null_char.sim
 sleep 2000
-run general/parser/limit1_tblocks100.sim
+run general/parser/selectResNum.sim
 sleep 2000
 run general/parser/select_across_vnodes.sim
 sleep 2000
-run general/parser/slimit1.sim
-sleep 2000
-run general/parser/tbnameIn.sim
-sleep 2000
-run general/parser/projection_limit_offset.sim
-sleep 2000
-run general/parser/limit2.sim
-sleep 2000
-run general/parser/fill.sim
+run general/parser/select_from_cache_disk.sim
 sleep 2000
-run general/parser/fill_stb.sim
+run general/parser/set_tag_vals.sim
 sleep 2000
-run general/parser/where.sim
+run general/parser/single_row_in_tb.sim
 sleep 2000
 run general/parser/slimit.sim
 sleep 2000
-run general/parser/select_with_tags.sim
-sleep 2000
-run general/parser/interp.sim
+run general/parser/slimit1.sim
 sleep 2000
-run general/parser/tags_dynamically_specifiy.sim
+run general/parser/slimit_alter_tags.sim
 sleep 2000
-run general/parser/groupby.sim
-sleep 2000
-run general/parser/set_tag_vals.sim
+run general/parser/tbnameIn.sim
 sleep 2000
 run general/parser/slimit_alter_tags.sim  # persistent failed
 sleep 2000
@@ -89,11 +85,19 @@ run general/parser/join.sim
 sleep 2000
 run general/parser/join_multivnode.sim
 sleep 2000
-run general/parser/repeatAlter.sim
+run general/parser/projection_limit_offset.sim
+sleep 2000
+run general/parser/select_with_tags.sim
+sleep 2000
+run general/parser/groupby.sim
+sleep 2000
+run general/parser/union.sim
+sleep 2000
+run general/parser/sliding.sim
 sleep 2000
-run general/parser/binary_escapeCharacter.sim
+run general/parser/fill_us.sim
 sleep 2000
-run general/parser/bug.sim
+run general/parser/tags_filter.sim
 
 #sleep 2000
 #run general/parser/repeatStream.sim

tests/script/jenkins/basic.txt

@@ -117,8 +117,6 @@ cd ../../../debug; make
 ./test.sh -f general/parser/import_commit3.sim
 ./test.sh -f general/parser/insert_tb.sim
 ./test.sh -f general/parser/first_last.sim
-# dyh is processing this script
-#./test.sh -f general/parser/import_file.sim
 ./test.sh -f general/parser/lastrow.sim
 ./test.sh -f general/parser/nchar.sim
 ./test.sh -f general/parser/null_char.sim
@@ -145,7 +143,6 @@ cd ../../../debug; make
 ./test.sh -f general/parser/groupby.sim
 ./test.sh -f general/parser/set_tag_vals.sim
 #./test.sh -f general/parser/sliding.sim
-./test.sh -f general/parser/tags_dynamically_specifiy.sim
 ./test.sh -f general/parser/tags_filter.sim
 ./test.sh -f general/parser/slimit_alter_tags.sim
 ./test.sh -f general/parser/join.sim

tests/script/sh/exec-random-fail.sh

+#!/bin/bash
+
+# if [ $# != 4 || $# != 5 ]; then 
+  # echo "argument list need input : "
+  # echo "  -n nodeName"
+  # echo "  -s start/stop"
+  # echo "  -c clear"
+  # exit 1
+# fi
+
+NODE_NAME=
+EXEC_OPTON=
+CLEAR_OPTION="false"
+while getopts "n:s:u:x:ct" arg 
+do
+  case $arg in
+    n)
+      NODE_NAME=$OPTARG
+      ;;
+    s)
+      EXEC_OPTON=$OPTARG
+      ;;
+    c)
+      CLEAR_OPTION="clear"
+      ;;
+    t)
+      SHELL_OPTION="true"
+      ;;
+    u)
+      USERS=$OPTARG
+      ;;
+    x)
+      SIGNAL=$OPTARG
+      ;;
+    ?)
+      echo "unkown argument"
+      ;;
+  esac
+done
+
+SCRIPT_DIR=`dirname $0`
+cd $SCRIPT_DIR/../
+SCRIPT_DIR=`pwd`
+
+IN_TDINTERNAL="community"
+if [[ "$SCRIPT_DIR" == *"$IN_TDINTERNAL"* ]]; then
+  cd ../../..
+else
+  cd ../../
+fi
+
+TAOS_DIR=`pwd`
+TAOSD_DIR=`find . -name "taosd"|grep bin|head -n1`
+
+if [[ "$TAOSD_DIR" == *"$IN_TDINTERNAL"* ]]; then
+  BIN_DIR=`find . -name "taosd"|grep bin|head -n1|cut -d '/' --fields=2,3`
+else
+  BIN_DIR=`find . -name "taosd"|grep bin|head -n1|cut -d '/' --fields=2`
+fi
+
+BUILD_DIR=$TAOS_DIR/$BIN_DIR/build
+
+SIM_DIR=$TAOS_DIR/sim
+NODE_DIR=$SIM_DIR/$NODE_NAME
+EXE_DIR=$BUILD_DIR/bin
+CFG_DIR=$NODE_DIR/cfg
+LOG_DIR=$NODE_DIR/log
+DATA_DIR=$NODE_DIR/data
+MGMT_DIR=$NODE_DIR/data/mgmt
+TSDB_DIR=$NODE_DIR/data/tsdb
+
+TAOS_CFG=$NODE_DIR/cfg/taos.cfg
+
+echo ------------ $EXEC_OPTON $NODE_NAME
+
+TAOS_FLAG=$SIM_DIR/tsim/flag
+if [ -f "$TAOS_FLAG" ]; then 
+  EXE_DIR=/usr/local/bin/taos
+fi
+
+if [ "$CLEAR_OPTION" = "clear" ]; then 
+  echo rm -rf $MGMT_DIR $TSDB_DIR  
+  rm -rf $TSDB_DIR
+  rm -rf $MGMT_DIR
+fi
+
+if [ "$EXEC_OPTON" = "start" ]; then 
+  echo "ExcuteCmd:" $EXE_DIR/taosd -c $CFG_DIR
+  
+  if [ "$SHELL_OPTION" = "true" ]; then 
+    nohup valgrind --log-file=${LOG_DIR}/valgrind.log --tool=memcheck --leak-check=full --show-reachable=no  --track-origins=yes --show-leak-kinds=all  -v  --workaround-gcc296-bugs=yes   $EXE_DIR/taosd -c $CFG_DIR > /dev/null 2>&1 &   
+  else
+    nohup $EXE_DIR/taosd -c $CFG_DIR --random-file-fail-factor 5 > /dev/null 2>&1 & 
+  fi
+  
+else
+  #relative path
+  RCFG_DIR=sim/$NODE_NAME/cfg
+  PID=`ps -ef|grep taosd | grep $RCFG_DIR | grep -v grep | awk '{print $2}'`
+  while [ -n "$PID" ]
+  do
+    if [ "$SIGNAL" = "SIGINT" ]; then 
+      echo try to kill by signal SIGINT
+      kill -SIGINT $PID
+    else
+      echo try to kill by signal SIGKILL
+      kill -9 $PID
+    fi
+    sleep 1
+    PID=`ps -ef|grep taosd | grep $RCFG_DIR | grep -v grep | awk '{print $2}'`
+  done 
+fi
+

tests/script/unique/cluster/client1_0.sim

+#system sh/stop_dnodes.sh
+#system sh/deploy.sh -n dnode1 -i 1
+#system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 10000
+#system sh/cfg.sh -n dnode1 -c numOfTotalVnodes -v 256
+#system sh/exec.sh -n dnode1 -s start
+#sql connect
+#$db = db1
+#sql create database $db
+#sql use $db
+#$stb = stb1
+#sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
+
+
+
+
+
 $tblStart = 0
-$tblEnd = 10000
+$tblEnd = 1000
 $tsStart = 1325347200000  # 2012-01-01 00:00:00.000
 ###############################################################
 
@@ -10,7 +26,6 @@ $stb = stb1
 
 sql use $db
 
-
 ######sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
 $tagPrex = ' . tag
 
@@ -19,12 +34,15 @@ while $i < $tblEnd
   $tb = tb . $i
   $tagBinary = $tagPrex . $i
   $tagBinary = $tagBinary . '
-  sql create table if not exists  $tb using $stb tags ($i, $tagBinary)
+#  print create table if not exists $tb using $stb tags ( $i , $tagBinary )
+  sql create table if not exists $tb using $stb tags ( $i , $tagBinary )
   $i = $i + 1
 endw 
 
-
 print ====================== client1_0 create table end, start insert data ............
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
 
 $rowsPerLoop = 100
 $ts = $tsStart
@@ -54,3 +72,4 @@ while $i < $tblEnd
     print ====================== client1_0  insert data complete once ............
   endi
 endw 
+print ====================== client1_0  success and auto end =====================
\ No newline at end of file

tests/script/unique/cluster/cluster_main.sim

@@ -3,41 +3,49 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/deploy.sh -n dnode2 -i 2
 system sh/deploy.sh -n dnode3 -i 3
 system sh/deploy.sh -n dnode4 -i 4
+system sh/deploy.sh -n dnode5 -i 5
 
 system sh/cfg.sh -n dnode1 -c numOfMnodes -v 3
 system sh/cfg.sh -n dnode2 -c numOfMnodes -v 3
 system sh/cfg.sh -n dnode3 -c numOfMnodes -v 3
 system sh/cfg.sh -n dnode4 -c numOfMnodes -v 3
+system sh/cfg.sh -n dnode5 -c numOfMnodes -v 3
 
 system sh/cfg.sh -n dnode1 -c walLevel -v 1
 system sh/cfg.sh -n dnode2 -c walLevel -v 1
 system sh/cfg.sh -n dnode3 -c walLevel -v 1
 system sh/cfg.sh -n dnode4 -c walLevel -v 1
+system sh/cfg.sh -n dnode5 -c walLevel -v 1
 
 system sh/cfg.sh -n dnode1 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode2 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode3 -c balanceInterval -v 10
 system sh/cfg.sh -n dnode4 -c balanceInterval -v 10
+system sh/cfg.sh -n dnode5 -c balanceInterval -v 10
 
-system sh/cfg.sh -n dnode1 -c numOfTotalVnodes -v 4
-system sh/cfg.sh -n dnode2 -c numOfTotalVnodes -v 4
-system sh/cfg.sh -n dnode3 -c numOfTotalVnodes -v 4
-system sh/cfg.sh -n dnode4 -c numOfTotalVnodes -v 4
+system sh/cfg.sh -n dnode1 -c numOfTotalVnodes -v 256
+system sh/cfg.sh -n dnode2 -c numOfTotalVnodes -v 256
+system sh/cfg.sh -n dnode3 -c numOfTotalVnodes -v 256
+system sh/cfg.sh -n dnode4 -c numOfTotalVnodes -v 256
+system sh/cfg.sh -n dnode5 -c numOfTotalVnodes -v 256
 
 system sh/cfg.sh -n dnode1 -c alternativeRole -v 0
 system sh/cfg.sh -n dnode2 -c alternativeRole -v 0
 system sh/cfg.sh -n dnode3 -c alternativeRole -v 0
 system sh/cfg.sh -n dnode4 -c alternativeRole -v 0
+system sh/cfg.sh -n dnode5 -c alternativeRole -v 0
 
-system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 1000
-system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 1000
-system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 1000
-system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 1000
+system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 5000
+system sh/cfg.sh -n dnode2 -c maxtablesPerVnode -v 5000
+system sh/cfg.sh -n dnode3 -c maxtablesPerVnode -v 5000
+system sh/cfg.sh -n dnode4 -c maxtablesPerVnode -v 5000
+system sh/cfg.sh -n dnode5 -c maxtablesPerVnode -v 5000
 
 system sh/cfg.sh -n dnode1 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode2 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode3 -c arbitrator -v $arbitrator
 system sh/cfg.sh -n dnode4 -c arbitrator -v $arbitrator
+system sh/cfg.sh -n dnode5 -c arbitrator -v $arbitrator
 
 print ============== step0: start tarbitrator
 system sh/exec_tarbitrator.sh -s start
@@ -64,407 +72,159 @@ $stb = stb1
 sql create table $stb (ts timestamp, c1 int) tags(t1 int, t2 binary(8))
 
 print ============== step4: start 10 client1/ 10 client2/ 10 client3/ 10 client4/ 1 client5
-#run_back unique/cluster/client_test.sim
 run_back unique/cluster/client1_0.sim
-run_back unique/cluster/client1_1.sim
-run_back unique/cluster/client1_2.sim
-run_back unique/cluster/client1_3.sim
-run_back unique/cluster/client2_0.sim
-run_back unique/cluster/client2_1.sim
-run_back unique/cluster/client2_2.sim
-run_back unique/cluster/client2_3.sim
-run_back unique/cluster/client3.sim
-run_back unique/cluster/client4.sim
+#run_back unique/cluster/client1_1.sim
+#run_back unique/cluster/client1_2.sim
+#run_back unique/cluster/client1_3.sim
+#run_back unique/cluster/client2_0.sim
+#run_back unique/cluster/client2_1.sim
+#run_back unique/cluster/client2_2.sim
+#run_back unique/cluster/client2_3.sim
+#run_back unique/cluster/client3.sim
+#run_back unique/cluster/client4.sim
 
 sleep 20000
+
+wait_subsim_insert_complete_create_tables:
+sql select count(tbname) from $stb
+print select count(tbname) from $stb
+print data00 $data00
+if $data00 < 1000 then
+  sleep 3000
+  goto wait_subsim_insert_complete_create_tables
+endi
+
 wait_subsim_insert_data:
+print select count(*) from $stb
 sql select count(*) from $stb
 print data00 $data00
-if $data00 < 1 then
+if $data00 < 1000 then
   sleep 3000
   goto wait_subsim_insert_data
 endi
 
-
 print wait for a while to let clients start insert data
 sleep 5000    
 
 $loop_cnt = 0
 loop_cluster_do:
 print **** **** **** START loop cluster do (loop_cnt: $loop_cnt )**** **** **** ****
-print ============== step5: start dnode4 and add into cluster, then wait dnode4 ready
+print ============== step5: start dnode4/dnode5 and add into cluster, then wait ready
 system sh/exec.sh -n dnode4 -s start
+system sh/exec.sh -n dnode5 -s start
 sql create dnode $hostname4
+sql create dnode $hostname5
 
-wait_dnode4_ready_0:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-sql show dnodes
-if $rows != 4 then
-  sleep 2000
-  goto wait_dnode4_ready_0
-endi
-print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
-print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
-print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
-print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-$dnode1Status = $data4_1  
-$dnode2Status = $data4_2
-$dnode3Status = $data4_3  
-#$dnode4Status = $data4_4 
-
-if $loop_cnt == 0 then
-  $dnode4Status = $data4_4 
-elif $loop_cnt == 1 then
-  $dnode4Status = $data4_6 
-elif $loop_cnt == 2 then
-  $dnode4Status = $data4_8 
-else then
-  print **** **** **** END loop cluster do (loop_cnt: $loop_cnt )**** **** **** ****
-  return
-endi
-
-if $dnode4Status != ready then
-  sleep 2000
-  goto wait_dnode4_ready_0
-endi
+sleep 5000
 
 
 print ============== step6: stop and drop dnode1, then remove data dir of dnode1 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
-
-$cnt = 0
-wait_dnode1_offline_0:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-sql show dnodes
-if $rows != 4 then
-  sleep 2000
-  goto wait_dnode1_offline_0
-endi
-print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
-print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
-print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
-print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
- 
-$dnode2Status = $data4_2
-$dnode3Status = $data4_3  
-$dnode4Status = $data4_4 
-
-if $loop_cnt == 0 then
-  $dnode1Status = $data4_1 
-elif $loop_cnt == 1 then
-  $dnode1Status = $data4_5 
-elif $loop_cnt == 2 then
-  $dnode1Status = $data4_7 
-elif $loop_cnt == 3 then
-  $dnode1Status = $data4_9 
-else then
-  print **** **** **** END loop cluster do (loop_cnt: $loop_cnt )**** **** **** ****
-  return
-endi
-
-if $dnode1Status != offline then
-  sleep 2000
-  goto wait_dnode1_offline_0
-endi
-
-
-
-$cnt = 0
-wait_mnode1_offline_0:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-print show mnodes
-sql show mnodes
-if $rows != 3 then
-  sleep 2000
-  goto wait_mnode1_offline_0
-endi
-print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
-print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
-print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
-print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-$mnode1Status = $data2_1
-$mnode2Status = $data2_2
-$mnode3Status = $data2_3
-$mnode4Status = $data2_4
-
-if $loop_cnt == 0 then
-  $mnode1Status = $data2_1 
-elif $loop_cnt == 1 then
-  $mnode1Status = $data2_5 
-elif $loop_cnt == 2 then
-  $mnode1Status = $data2_7 
-elif $loop_cnt == 3 then
-  $mnode1Status = $data2_9 
-else then
-  print **** **** **** END loop cluster do (loop_cnt: $loop_cnt )**** **** **** ****
-  return
-endi
-
-if $mnode1Status != offline then
-  sleep 2000
-  goto wait_mnode1_offline_0
-endi
-
-
-
+sleep 5000
 sql drop dnode $hostname1
+sleep 5000
+
 system rm -rf ../../../sim/dnode1/data
+sleep 20000
 
-$cnt = 0
-wait_mnode4_slave_0:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-print show mnodes
 sql show mnodes
-if $rows != 3 then
-  sleep 2000
-  goto wait_mnode4_slave_0
-endi
+print show mnodes
+print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
 print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
 print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-$mnode1Status = $data2_1
-$mnode2Status = $data2_2
-$mnode3Status = $data2_3
-$mnode4Status = $data2_4
-
-if $loop_cnt == 0 then
-  $mnode4Status = $data2_4 
-elif $loop_cnt == 1 then
-  $mnode4Status = $data2_6 
-elif $loop_cnt == 2 then
-  $mnode4Status = $data2_8 
-else then
-  print **** **** **** END loop cluster do (loop_cnt: $loop_cnt )**** **** **** ****
-  return
-endi
-
-if $mnode4Status != slave then
-  sleep 2000
-  goto wait_mnode4_slave_0
-endi
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
+return -1
 
-print ============== step7: stop dnode2, waiting dnode4 
+print ============== step7: stop dnode2 
 system sh/exec.sh -n dnode2 -s stop -x SIGINT
+sleep 5000
 
-$cnt = 0
-wait_dnode2_offline_0:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-sql show dnodes
-if $rows != 3 then
-  sleep 2000
-  goto wait_dnode2_offline_0
-endi
-print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
-print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
-print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
-print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-$dnode1Status = $data4_1  
-$dnode2Status = $data4_2
-$dnode3Status = $data4_3  
-$dnode4Status = $data4_4 
-
-if $dnode2Status != offline then
-  sleep 2000
-  goto wait_dnode2_offline_0
-endi
-
-sleep 3000
-print show mnodes
 sql show mnodes
+print show mnodes
+print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
 print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
 print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 
 print ============== step8: restart dnode2, then wait sync end
 system sh/exec.sh -n dnode2 -s start
-
-$cnt = 0
-wait_dnode2_ready_0:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-sql show dnodes
-if $rows != 3 then
-  sleep 2000
-  goto wait_dnode2_ready_0
-endi
-print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
-print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
-print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
-print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-$dnode1Status = $data4_1  
-$dnode2Status = $data4_2
-$dnode3Status = $data4_3  
-$dnode4Status = $data4_4 
-
-if $dnode2Status != ready then
-  sleep 2000
-  goto wait_dnode2_ready_0
-endi
-
-sleep 3000
-print show mnodes
+sleep 20000
 sql show mnodes
+print show mnodes
+print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
 print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
 print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 
 print ============== step9: stop dnode3, then wait sync end
 system sh/exec.sh -n dnode3 -s stop -x SIGINT
-sleep 3000
-
-$cnt = 0
-wait_dnode3_offline_0:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-sql show dnodes
-if $rows != 3 then
-  sleep 2000
-  goto wait_dnode3_offline_0
-endi
+sleep 20000
+sql show mnodes
+print show mnodes
+print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
 print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
 print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-$dnode1Status = $data4_1  
-$dnode2Status = $data4_2
-$dnode3Status = $data4_3  
-$dnode4Status = $data4_4 
-
-if $dnode3Status != offline then
-  sleep 2000
-  goto wait_dnode3_offline_0
-endi
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 
 print ============== step10: restart dnode3, then wait sync end
 system sh/exec.sh -n dnode3 -s start
-sleep 3000
-
-$cnt = 0
-wait_dnode3_ready_0:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-sql show dnodes
-if $rows != 3 then
-  sleep 2000
-  goto wait_dnode3_ready_0
-endi
+sleep 20000
+sql show mnodes
+print show mnodes
+print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
 print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
 print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-$dnode1Status = $data4_1  
-$dnode2Status = $data4_2
-$dnode3Status = $data4_3  
-$dnode4Status = $data4_4 
-
-if $dnode3Status != ready then
-  sleep 2000
-  goto wait_dnode3_ready_0
-endi
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 
 print ============== step11: stop dnode4, then wait sync end
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
-sleep 3000
-
-$cnt = 0
-wait_dnode4_offline_0:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-sql show dnodes
-if $rows != 3 then
-  sleep 2000
-  goto wait_dnode4_offline_0
-endi
-print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
-print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
-print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
-print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-$dnode1Status = $data4_1  
-$dnode2Status = $data4_2
-$dnode3Status = $data4_3  
-#$dnode4Status = $data4_4 
-
-if $loop_cnt == 0 then
-  $dnode4Status = $data4_4 
-elif $loop_cnt == 1 then
-  $dnode4Status = $data4_6 
-elif $loop_cnt == 2 then
-  $dnode4Status = $data4_8 
-else then
-  print **** **** **** END loop cluster do (loop_cnt: $loop_cnt )**** **** **** ****
-  return
-endi
-
-if $dnode4Status != offline then
-  sleep 2000
-  goto wait_dnode4_offline_0
-endi
+sleep 20000
 
 print ============== step12: restart dnode4, then wait sync end
 system sh/exec.sh -n dnode4 -s start
-sleep 3000
-
-$cnt = 0
-wait_dnode4_ready_1:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-sql show dnodes
-if $rows != 3 then
-  sleep 2000
-  goto wait_dnode4_ready_1
-endi
+sleep 20000
+sql show mnodes
+print show mnodes
+print rows: $rows
 print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
 print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
 print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
 print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-$dnode1Status = $data4_1  
-$dnode2Status = $data4_2
-$dnode3Status = $data4_3  
-#$dnode4Status = $data4_4 
-
-if $loop_cnt == 0 then
-  $dnode4Status = $data4_4 
-elif $loop_cnt == 1 then
-  $dnode4Status = $data4_6 
-elif $loop_cnt == 2 then
-  $dnode4Status = $data4_8 
-else then
-  print **** **** **** END loop cluster do (loop_cnt: $loop_cnt )**** **** **** ****
-  return
-endi
-
-if $dnode4Status != ready then
-  sleep 2000
-  goto wait_dnode4_ready_1
-endi
+print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
+print $data0_6  $data1_6  $data2_6  $data3_6  $data4_6
+print $data0_7  $data1_7  $data2_7  $data3_7  $data4_7
+print $data0_8  $data1_8  $data2_8  $data3_8  $data4_8
+print $data0_9  $data1_9  $data2_9  $data3_9  $data4_9
 
 print ============== step13: alter replica 2
 sql alter database $db replica 2
@@ -476,50 +236,14 @@ if $data04 != 2 then
   return -1
 endi
 
-print ============== step14: stop and drop dnode4, then remove data dir of dnode4 
+print ============== step14: stop and drop dnode4/dnode5, then remove data dir of dnode4/dnode5 
 system sh/exec.sh -n dnode4 -s stop -x SIGINT
-sleep 3000
-
-$cnt = 0
-wait_dnode4_offline_1:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-sql show dnodes
-if $rows != 3 then
-  sleep 2000
-  goto wait_dnode4_offline_1
-endi
-print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
-print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
-print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
-print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
- 
-$dnode2Status = $data4_2
-$dnode3Status = $data4_3  
-#$dnode4Status = $data4_4 
-
-if $loop_cnt == 0 then
-  $dnode4Status = $data4_4 
-elif $loop_cnt == 1 then
-  $dnode4Status = $data4_6 
-elif $loop_cnt == 2 then
-  $dnode4Status = $data4_8 
-else then
-  print **** **** **** END loop cluster do (loop_cnt: $loop_cnt )**** **** **** ****
-  return
-endi
-
-if $dnode4Status != offline then
-  sleep 2000
-  goto wait_dnode4_offline_1
-endi
-
-sleep 3000
+system sh/exec.sh -n dnode5 -s stop -x SIGINT
+sleep 20000
 sql drop dnode $hostname4
+sql drop dnode $hostname5
 system rm -rf ../../../sim/dnode4/data
-
+system rm -rf ../../../sim/dnode5/data
 
 print ============== step15: alter replica 1
 sql alter database $db replica 1
@@ -530,7 +254,6 @@ if $data04 != 1 then
   return -1
 endi
 
-
 print ============== step16: alter replica 2
 sql alter database $db replica 2
 sql show databases
@@ -546,42 +269,7 @@ system sh/cfg.sh -n dnode1 -c second -v $hostname3
 
 system sh/exec.sh -n dnode1 -s start
 sql create dnode $hostname1
-
-wait_dnode1_ready_0:
-$cnt = $cnt + 1
-if $cnt == 10 then
-  return -1
-endi
-sql show dnodes
-if $rows != 3 then
-  sleep 2000
-  goto wait_dnode1_ready_0
-endi
-print $data0_1  $data1_1  $data2_1  $data3_1  $data4_1
-print $data0_2  $data1_2  $data2_2  $data3_2  $data4_2
-print $data0_3  $data1_3  $data2_3  $data3_3  $data4_3
-print $data0_4  $data1_4  $data2_4  $data3_4  $data4_4
-print $data0_5  $data1_5  $data2_5  $data3_5  $data4_5
-#$dnode1Status = $data4_1  
-$dnode2Status = $data4_2
-$dnode3Status = $data4_3  
-$dnode4Status = $data4_4 
-
-if $loop_cnt == 0 then
-  $dnode1Status = $data4_5 
-elif $loop_cnt == 1 then
-  $dnode1Status = $data4_7 
-elif $loop_cnt == 2 then
-  $dnode1Status = $data4_9
-else then
-  print **** **** **** END loop cluster do (loop_cnt: $loop_cnt )**** **** **** ****
-  return
-endi
-
-if $dnode1Status != ready then
-  sleep 2000
-  goto wait_dnode1_ready_0
-endi
+sleep 20000
 
 print ============== step18: alter replica 3
 sql alter database $db replica 3