Merge from develop

Jenkinsfile

@@ -175,7 +175,47 @@ pipeline {
           
          }
        }
-
+       stage('arm64_build'){
+                agent{label 'arm64'}
+                steps{
+                    sh '''
+                    cd ${WK}
+                    git fetch
+                    git checkout develop
+                    git pull
+                    cd ${WKC}
+                    git fetch
+                    git checkout develop
+                    git pull
+                    git submodule update                    
+                    cd ${WKC}/packaging
+                    ./release.sh -v cluster -c aarch64 -n 2.0.0.0 -m 2.0.0.0
+                    
+                    '''
+                }
+            }
+            stage('arm32_build'){
+                agent{label 'arm32'}
+                steps{
+                    catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
+                        sh '''
+                        cd ${WK}
+                        git fetch
+                        git checkout develop
+                        git pull
+                        cd ${WKC}
+                        git fetch
+                        git checkout develop
+                        git pull
+                        git submodule update
+                        cd ${WKC}/packaging
+                        ./release.sh -v cluster -c aarch32 -n 2.0.0.0 -m 2.0.0.0
+                        
+                        '''
+                    }
+                    
+                }
+            }
       }
     }
 

documentation20/webdocs/markdowndocs/connector-ch.md

@@ -142,7 +142,7 @@ C/C++的API类似于MySQL的C API。应用程序使用时，需要包含TDengine
   获取最近一次API调用失败的原因，返回值为错误代码。
 
 
-**注意**：对于单个数据库连接，在同一时刻只能有一个线程使用该连接调用API，否则会有未定义的行为出现并可能导致客户端crash。客户端应用可以通过建立多个连接进行多线程的数据写入或查询处理。
+**注意**：对于每个数据库应用，2.0及以上版本 TDengine 推荐只建立一个连接。同时在应用中将该连接 (TAOS*) 结构体传递到不同的线程共享使用。基于 TAOS 结构体发出的查询、写入等操作具有多线程安全性。C 语言的连接器可以按照需求动态建立面向数据库的新连接（该过程对用户不可见），同时建议只有在程序最后退出的时候才调用 taos_close 关闭连接。
 
 
 ### 异步查询API

packaging/cfg/taos.cfg

@@ -236,7 +236,7 @@
 # httpDebugFlag         131
 
 # debug flag for monitor
-# monitorDebugFlag      131
+# monDebugFlag          131
 
 # debug flag for query
 # qDebugflag            131

src/balance/inc/bnInt.h

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TDENGINE_BALANCE_INT_H
+#define TDENGINE_BALANCE_INT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "mnodeInt.h"
+#include "mnodeDef.h"
+#include "mnodeDnode.h"
+
+typedef struct {
+  int32_t     size;
+  int32_t     maxSize;
+  SDnodeObj **list;
+} SBnDnodes;
+
+typedef struct {
+  void *          timer;
+  bool            stop;
+  pthread_mutex_t mutex;
+  pthread_cond_t  cond;
+  pthread_t       thread;
+} SBnThread;
+
+typedef struct {
+  pthread_mutex_t mutex;
+} SBnMgmt;
+
+int32_t bnInit();
+void    bnCleanUp();
+bool    bnStart();
+void    bnCheckStatus();
+void    bnCheckModules();
+
+extern SBnDnodes tsBnDnodes;
+extern void *tsMnodeTmr;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

src/balance/inc/bnScore.h

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TDENGINE_BALANCE_SCORE_H
+#define TDENGINE_BALANCE_SCORE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "bnInt.h"
+
+void  bnInitDnodes();
+void  bnCleanupDnodes();
+void  bnAccquireDnodes();
+void  bnReleaseDnodes();
+float bnTryCalcDnodeScore(SDnodeObj *pDnode, int32_t extraVnode);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

src/balance/inc/bnThread.h

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TDENGINE_BALANCE_THREAD_H
+#define TDENGINE_BALANCE_THREAD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "bnInt.h"
+
+int32_t bnInitThread();
+void    bnCleanupThread();
+void    bnNotify();
+void    bnStartTimer(int64_t mseconds);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

src/balance/src/bnScore.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define _DEFAULT_SOURCE
+#include "os.h"
+#include "tglobal.h"
+#include "mnodeShow.h"
+#include "mnodeUser.h"
+#include "bnScore.h"
+
+SBnDnodes tsBnDnodes;
+
+static int32_t bnGetScoresMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
+static int32_t bnRetrieveScores(SShowObj *pShow, char *data, int32_t rows, void *pConn);
+
+static int32_t bnCalcCpuScore(SDnodeObj *pDnode) {
+  if (pDnode->cpuAvgUsage < 80)
+    return 0;
+  else if (pDnode->cpuAvgUsage < 90)
+    return 10;
+  else
+    return 50;
+}
+
+static int32_t bnCalcMemoryScore(SDnodeObj *pDnode) {
+  if (pDnode->memoryAvgUsage < 80)
+    return 0;
+  else if (pDnode->memoryAvgUsage < 90)
+    return 10;
+  else
+    return 50;
+}
+
+static int32_t bnCalcDiskScore(SDnodeObj *pDnode) {
+  if (pDnode->diskAvgUsage < 80)
+    return 0;
+  else if (pDnode->diskAvgUsage < 90)
+    return 10;
+  else
+    return 50;
+}
+
+static int32_t bnCalcBandScore(SDnodeObj *pDnode) {
+  if (pDnode->bandwidthUsage < 30)
+    return 0;
+  else if (pDnode->bandwidthUsage < 80)
+    return 10;
+  else
+    return 50;
+}
+
+static float bnCalcModuleScore(SDnodeObj *pDnode) {
+  if (pDnode->numOfCores <= 0) return 0;
+  if (pDnode->isMgmt) {
+    return (float)tsMnodeEqualVnodeNum / pDnode->numOfCores;
+  }
+  return 0;
+}
+
+static float bnCalcVnodeScore(SDnodeObj *pDnode, int32_t extra) {
+  if (pDnode->status == TAOS_DN_STATUS_DROPPING || pDnode->status == TAOS_DN_STATUS_OFFLINE) return 100000000;
+  if (pDnode->numOfCores <= 0) return 0;
+  return (float)(pDnode->openVnodes + extra) / pDnode->numOfCores;
+}
+
+/**
+ * calc singe score, such as cpu/memory/disk/bandwitdh/vnode
+ * 1. get the score config
+ * 2. if the value is out of range, use border data
+ * 3. otherwise use interpolation method
+ **/
+static void bnCalcDnodeScore(SDnodeObj *pDnode) {
+  pDnode->score = bnCalcCpuScore(pDnode) + bnCalcMemoryScore(pDnode) + bnCalcDiskScore(pDnode) +
+                  bnCalcBandScore(pDnode) + bnCalcModuleScore(pDnode) + bnCalcVnodeScore(pDnode, 0) +
+                  pDnode->customScore;
+}
+
+float bnTryCalcDnodeScore(SDnodeObj *pDnode, int32_t extra) {
+  int32_t systemScore = bnCalcCpuScore(pDnode) + bnCalcMemoryScore(pDnode) + bnCalcDiskScore(pDnode) +
+                        bnCalcBandScore(pDnode);
+  float moduleScore = bnCalcModuleScore(pDnode);
+  float vnodeScore = bnCalcVnodeScore(pDnode, extra);
+
+  float score = systemScore + moduleScore + vnodeScore +  pDnode->customScore;
+  return score;
+}
+
+void bnInitDnodes() {
+  mnodeAddShowMetaHandle(TSDB_MGMT_TABLE_SCORES, bnGetScoresMeta);
+  mnodeAddShowRetrieveHandle(TSDB_MGMT_TABLE_SCORES, bnRetrieveScores);
+  mnodeAddShowFreeIterHandle(TSDB_MGMT_TABLE_SCORES, mnodeCancelGetNextDnode);
+
+  memset(&tsBnDnodes, 0, sizeof(SBnDnodes));
+  tsBnDnodes.maxSize = 16;
+  tsBnDnodes.list = calloc(tsBnDnodes.maxSize, sizeof(SDnodeObj *));
+}
+
+void bnCleanupDnodes() {
+  if (tsBnDnodes.list != NULL) {
+    free(tsBnDnodes.list);
+    tsBnDnodes.list = NULL;
+  }
+}
+
+static void bnCheckDnodesSize(int32_t dnodesNum) {
+  if (tsBnDnodes.maxSize <= dnodesNum) {
+    tsBnDnodes.maxSize = dnodesNum * 2;
+    tsBnDnodes.list = realloc(tsBnDnodes.list, tsBnDnodes.maxSize * sizeof(SDnodeObj *));
+  }
+}
+
+void bnAccquireDnodes() {
+  int32_t dnodesNum = mnodeGetDnodesNum();
+  bnCheckDnodesSize(dnodesNum);
+
+  void *     pIter = NULL;
+  SDnodeObj *pDnode = NULL;
+  int32_t    dnodeIndex = 0;
+
+  while (1) {
+    if (dnodeIndex >= dnodesNum) {
+      mnodeCancelGetNextDnode(pIter);
+      break;
+    }
+
+    pIter = mnodeGetNextDnode(pIter, &pDnode);
+    if (pDnode == NULL) break;
+    if (pDnode->status == TAOS_DN_STATUS_OFFLINE) {
+      mnodeDecDnodeRef(pDnode);
+      continue;
+    }
+
+    bnCalcDnodeScore(pDnode);
+    
+    int32_t orderIndex = dnodeIndex;
+    for (; orderIndex > 0; --orderIndex) {
+      if (pDnode->score > tsBnDnodes.list[orderIndex - 1]->score) {
+        break;
+      }
+      tsBnDnodes.list[orderIndex] = tsBnDnodes.list[orderIndex - 1];
+    }
+    tsBnDnodes.list[orderIndex] = pDnode;
+    dnodeIndex++;
+  }
+
+  tsBnDnodes.size = dnodeIndex;
+}
+
+void bnReleaseDnodes() {
+  for (int32_t i = 0; i < tsBnDnodes.size; ++i) {
+    SDnodeObj *pDnode = tsBnDnodes.list[i];
+    if (pDnode != NULL) {
+      mnodeDecDnodeRef(pDnode);
+    }
+  }
+}
+
+static int32_t bnGetScoresMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
+  SUserObj *pUser = mnodeGetUserFromConn(pConn);
+  if (pUser == NULL) return 0;
+
+  if (strcmp(pUser->pAcct->user, "root") != 0) {
+    mnodeDecUserRef(pUser);
+    return TSDB_CODE_MND_NO_RIGHTS;
+  }
+
+  int32_t  cols = 0;
+  SSchema *pSchema = pMeta->schema;
+
+  pShow->bytes[cols] = 2;
+  pSchema[cols].type = TSDB_DATA_TYPE_SMALLINT;
+  strcpy(pSchema[cols].name, "id");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pShow->bytes[cols] = 4;
+  pSchema[cols].type = TSDB_DATA_TYPE_FLOAT;
+  strcpy(pSchema[cols].name, "system scores");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pShow->bytes[cols] = 4;
+  pSchema[cols].type = TSDB_DATA_TYPE_FLOAT;
+  strcpy(pSchema[cols].name, "custom scores");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pShow->bytes[cols] = 4;
+  pSchema[cols].type = TSDB_DATA_TYPE_FLOAT;
+  strcpy(pSchema[cols].name, "module scores");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pShow->bytes[cols] = 4;
+  pSchema[cols].type = TSDB_DATA_TYPE_FLOAT;
+  strcpy(pSchema[cols].name, "vnode scores");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pShow->bytes[cols] = 4;
+  pSchema[cols].type = TSDB_DATA_TYPE_FLOAT;
+  strcpy(pSchema[cols].name, "total scores");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pShow->bytes[cols] = 4;
+  pSchema[cols].type = TSDB_DATA_TYPE_INT;
+  strcpy(pSchema[cols].name, "open vnodes");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pShow->bytes[cols] = 4;
+  pSchema[cols].type = TSDB_DATA_TYPE_INT;
+  strcpy(pSchema[cols].name, "cpu cores");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pShow->bytes[cols] = 18 + VARSTR_HEADER_SIZE;
+  pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
+  strcpy(pSchema[cols].name, "balance state");
+  pSchema[cols].bytes = htons(pShow->bytes[cols]);
+  cols++;
+
+  pMeta->numOfColumns = htons(cols);
+  pShow->numOfColumns = cols;
+
+  pShow->offset[0] = 0;
+  for (int32_t i = 1; i < cols; ++i) {
+    pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
+  }
+
+  pShow->numOfRows = mnodeGetDnodesNum();
+  pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
+  pShow->pIter = NULL;
+
+  mnodeDecUserRef(pUser);
+
+  return 0;
+}
+
+static int32_t bnRetrieveScores(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
+  int32_t    numOfRows = 0;
+  SDnodeObj *pDnode = NULL;
+  char *     pWrite;
+  int32_t    cols = 0;
+
+  while (numOfRows < rows) {
+    pShow->pIter = mnodeGetNextDnode(pShow->pIter, &pDnode);
+    if (pDnode == NULL) break;
+
+    int32_t systemScore = bnCalcCpuScore(pDnode) + bnCalcMemoryScore(pDnode) + bnCalcDiskScore(pDnode) + bnCalcBandScore(pDnode);
+    float moduleScore = bnCalcModuleScore(pDnode);
+    float vnodeScore = bnCalcVnodeScore(pDnode, 0);
+
+    cols = 0;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    *(int16_t *)pWrite = pDnode->dnodeId;
+    cols++;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    *(float *)pWrite = systemScore;
+    cols++;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    *(float *)pWrite = pDnode->customScore;
+    cols++;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    *(float *)pWrite = (int32_t)moduleScore;
+    cols++;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    *(float *)pWrite = (int32_t)vnodeScore;
+    cols++;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    *(float *)pWrite = (int32_t)(vnodeScore + moduleScore + pDnode->customScore + systemScore);
+    cols++;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    *(int32_t *)pWrite = pDnode->openVnodes;
+    cols++;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    *(int32_t *)pWrite = pDnode->numOfCores;
+    cols++;
+
+    pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
+    STR_TO_VARSTR(pWrite, mnodeGetDnodeStatusStr(pDnode->status));
+    cols++;
+
+    numOfRows++;
+    mnodeDecDnodeRef(pDnode);
+  }
+
+  mnodeVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
+  pShow->numOfReads += numOfRows;
+  return numOfRows;
+}

src/balance/src/bnThread.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define _DEFAULT_SOURCE
+#include "os.h"
+#include "ttimer.h"
+#include "tglobal.h"
+#include "mnodeSdb.h"
+#include "bnThread.h"
+
+static SBnThread tsBnThread;
+
+static void *bnThreadFunc(void *arg) {
+  while (1) {
+    pthread_mutex_lock(&tsBnThread.mutex);
+    if (tsBnThread.stop) {
+      pthread_mutex_unlock(&tsBnThread.mutex);
+      break;
+    }
+
+    pthread_cond_wait(&tsBnThread.cond, &tsBnThread.mutex);
+    bool updateSoon = bnStart();
+    bnStartTimer(updateSoon ? 1000 : -1);
+    pthread_mutex_unlock(&(tsBnThread.mutex));
+  }
+
+  return NULL;
+}
+
+int32_t bnInitThread() {
+  memset(&tsBnThread, 0, sizeof(SBnThread));
+  tsBnThread.stop = false;
+  pthread_mutex_init(&tsBnThread.mutex, NULL);
+  pthread_cond_init(&tsBnThread.cond, NULL);
+
+  pthread_attr_t thattr;
+  pthread_attr_init(&thattr);
+  pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_DETACHED);
+  int32_t ret = pthread_create(&tsBnThread.thread, &thattr, bnThreadFunc, NULL);
+  pthread_attr_destroy(&thattr);
+
+  if (ret != 0) {
+    mError("failed to create balance thread since %s", strerror(errno));
+    return -1;
+  }
+
+  bnStartTimer(2000);
+  mDebug("balance thread is created");
+  return 0;
+}
+
+void bnCleanupThread() {
+  mDebug("balance thread will be cleanup");
+
+  if (tsBnThread.timer != NULL) {
+    taosTmrStopA(&tsBnThread.timer);
+    tsBnThread.timer = NULL;
+    mDebug("stop balance timer");
+  }
+
+  pthread_mutex_lock(&tsBnThread.mutex);
+  tsBnThread.stop = true;
+  pthread_cond_signal(&tsBnThread.cond);
+  pthread_mutex_unlock(&(tsBnThread.mutex));
+  pthread_join(tsBnThread.thread, NULL);
+
+  pthread_cond_destroy(&tsBnThread.cond);
+  pthread_mutex_destroy(&tsBnThread.mutex);
+}
+
+static void bnPostSignal() {
+  pthread_mutex_lock(&tsBnThread.mutex);
+  pthread_cond_signal(&tsBnThread.cond);
+  pthread_mutex_unlock(&(tsBnThread.mutex));
+}
+
+/*
+ * once sdb work as mater, then tsAccessSquence reset to zero
+ * increase tsAccessSquence every balance interval
+ */
+
+static void bnProcessTimer(void *handle, void *tmrId) {
+  if (!sdbIsMaster()) return;
+  if (tsBnThread.stop) return;
+
+  tsBnThread.timer = NULL;
+  tsAccessSquence++;
+
+  bnCheckStatus();
+  bnStartTimer(-1);
+
+  if (handle == NULL) {
+    if (tsAccessSquence % tsBalanceInterval == 0) {
+      mDebug("balance function is scheduled by timer");
+      bnPostSignal();
+    }
+  } else {
+    int64_t mseconds = (int64_t)handle;
+    mDebug("balance function is scheduled by event for %" PRId64 " mseconds arrived", mseconds);
+    bnPostSignal();
+  }
+}
+
+void bnStartTimer(int64_t mseconds) {
+  if (tsBnThread.stop) return;
+
+  bool updateSoon = (mseconds != -1);
+  if (updateSoon) {
+    taosTmrReset(bnProcessTimer, mseconds, (void *)mseconds, tsMnodeTmr, &tsBnThread.timer);
+  } else {
+    taosTmrReset(bnProcessTimer, tsStatusInterval * 1000, NULL, tsMnodeTmr, &tsBnThread.timer);
+  }
+}
+
+void bnNotify() {
+  bnStartTimer(500); 
+}

src/client/src/tscSQLParser.c

@@ -5103,7 +5103,7 @@ int32_t validateDNodeConfig(tDCLSQL* pOptions) {
   const int tokenDebugFlagEnd = 20;
   const SDNodeDynConfOption cfgOptions[] = {
       {"resetLog", 8},    {"resetQueryCache", 15},  {"balance", 7},     {"monitor", 7},
-      {"debugFlag", 9},   {"monitorDebugFlag", 16}, {"vDebugFlag", 10}, {"mDebugFlag", 10},
+      {"debugFlag", 9},   {"monDebugFlag", 11},     {"vDebugFlag", 10}, {"mDebugFlag", 10},
       {"cDebugFlag", 10}, {"httpDebugFlag", 13},    {"qDebugflag", 10}, {"sdbDebugFlag", 12},
       {"uDebugFlag", 10}, {"tsdbDebugFlag", 13},    {"sDebugflag", 10}, {"rpcDebugFlag", 12},
       {"dDebugFlag", 10}, {"mqttDebugFlag", 13},    {"wDebugFlag", 10}, {"tmrDebugFlag", 12},

src/client/src/tscServer.c

@@ -2058,6 +2058,10 @@ int tscProcessConnectRsp(SSqlObj *pSql) {
   if (pConnect->epSet.numOfEps > 0) {
     tscEpSetHtons(&pConnect->epSet);
     tscUpdateMgmtEpSet(&pConnect->epSet);
+
+    for (int i = 0; i < pConnect->epSet.numOfEps; ++i) {
+      tscDebug("%p epSet.fqdn[%d]: %s, pObj:%p", pSql, i, pConnect->epSet.fqdn[i], pObj);
+    }
   } 
 
   strcpy(pObj->sversion, pConnect->serverVersion);

src/client/src/tscSub.c

@@ -157,7 +157,7 @@ static SSub* tscCreateSubscription(STscObj* pObj, const char* topic, const char*
 
   registerSqlObj(pSql);
 
-  code = tsParseSql(pSql, false);
+  code = tsParseSql(pSql, true);
   if (code == TSDB_CODE_TSC_ACTION_IN_PROGRESS) {
     tsem_wait(&pSub->sem);
     code = pSql->res.code;
@@ -168,7 +168,7 @@ static SSub* tscCreateSubscription(STscObj* pObj, const char* topic, const char*
     goto fail;
   }
 
-  if (pSql->cmd.command != TSDB_SQL_SELECT) {
+  if (pSql->cmd.command != TSDB_SQL_SELECT && pSql->cmd.command != TSDB_SQL_RETRIEVE_EMPTY_RESULT) {
     line = __LINE__;
     code = TSDB_CODE_TSC_INVALID_SQL;
     goto fail;
@@ -182,7 +182,7 @@ fail:
     if (pSql->self != 0) {
       taosReleaseRef(tscObjRef, pSql->self);
     } else {
-      tscFreeSqlObj(pSql);
+    tscFreeSqlObj(pSql);
     }
 
     pSql = NULL;
@@ -401,9 +401,11 @@ TAOS_SUB *taos_subscribe(TAOS *taos, int restart, const char* topic, const char
     tscLoadSubscriptionProgress(pSub);
   }
 
-  if (!tscUpdateSubscription(pObj, pSub)) {
-    taos_unsubscribe(pSub, 1);
-    return NULL;
+  if (pSub->pSql->cmd.command == TSDB_SQL_SELECT) {
+    if (!tscUpdateSubscription(pObj, pSub)) {
+      taos_unsubscribe(pSub, 1);
+      return NULL;
+    }
   }
 
   pSub->interval = interval;
@@ -417,10 +419,80 @@ TAOS_SUB *taos_subscribe(TAOS *taos, int restart, const char* topic, const char
   return pSub;
 }
 
+SSqlObj* recreateSqlObj(SSub* pSub) {
+  SSqlObj* pSql = calloc(1, sizeof(SSqlObj));
+  if (pSql == NULL) {
+    return NULL;
+  }
+
+  pSql->signature = pSql;
+  pSql->pTscObj = pSub->taos;
+
+  SSqlCmd* pCmd = &pSql->cmd;
+  SSqlRes* pRes = &pSql->res;
+  if (tsem_init(&pSql->rspSem, 0, 0) == -1) {
+    tscFreeSqlObj(pSql);
+    return NULL;
+  }
+
+  pSql->param = pSub;
+  pSql->maxRetry = TSDB_MAX_REPLICA;
+  pSql->fp = asyncCallback;
+  pSql->fetchFp = asyncCallback;
+  pSql->sqlstr = strdup(pSub->pSql->sqlstr);
+  if (pSql->sqlstr == NULL) {
+    tscFreeSqlObj(pSql);
+    return NULL;
+  }
+
+  pRes->qhandle = 0;
+  pRes->numOfRows = 1;
+
+  int code = tscAllocPayload(pCmd, TSDB_DEFAULT_PAYLOAD_SIZE);
+  if (code != TSDB_CODE_SUCCESS) {
+    tscFreeSqlObj(pSql);
+    return NULL;
+  }
+
+  registerSqlObj(pSql);
+
+  code = tsParseSql(pSql, true);
+  if (code == TSDB_CODE_TSC_ACTION_IN_PROGRESS) {
+    tsem_wait(&pSub->sem);
+    code = pSql->res.code;
+  }
+
+  if (code != TSDB_CODE_SUCCESS) {
+    taosReleaseRef(tscObjRef, pSql->self);
+    return NULL;
+  }
+
+  if (pSql->cmd.command != TSDB_SQL_SELECT) {
+    taosReleaseRef(tscObjRef, pSql->self);
+    return NULL;
+  }
+
+  return pSql;
+}
+
 TAOS_RES *taos_consume(TAOS_SUB *tsub) {
   SSub *pSub = (SSub *)tsub;
   if (pSub == NULL) return NULL;
 
+  if (pSub->pSql->cmd.command == TSDB_SQL_RETRIEVE_EMPTY_RESULT) {
+    SSqlObj* pSql = recreateSqlObj(pSub);
+    if (pSql == NULL) {
+      return NULL;
+    }
+    if (pSub->pSql->self != 0) {
+      taosReleaseRef(tscObjRef, pSub->pSql->self);
+    } else {
+      tscFreeSqlObj(pSub->pSql);
+    }
+    pSub->pSql = pSql;
+    pSql->pSubscription = pSub;
+  }
+
   tscSaveSubscriptionProgress(pSub);
 
   SSqlObj *pSql = pSub->pSql;
@@ -512,10 +584,13 @@ void taos_unsubscribe(TAOS_SUB *tsub, int keepProgress) {
   }
 
   if (pSub->pSql != NULL) {
-    taos_free_result(pSub->pSql);
+    if (pSub->pSql->self != 0) {
+      taosReleaseRef(tscObjRef, pSub->pSql->self);
+    } else {
+      tscFreeSqlObj(pSub->pSql);
+    }
   }
 
-  tscFreeSqlObj(pSub->pSql);
   taosArrayDestroy(pSub->progress);
   tsem_destroy(&pSub->sem);
   memset(pSub, 0, sizeof(*pSub));

src/common/inc/tglobal.h

@@ -175,7 +175,7 @@ extern int32_t tmrDebugFlag;
 extern int32_t sdbDebugFlag;
 extern int32_t httpDebugFlag;
 extern int32_t mqttDebugFlag;
-extern int32_t monitorDebugFlag;
+extern int32_t monDebugFlag;
 extern int32_t uDebugFlag;
 extern int32_t rpcDebugFlag;
 extern int32_t odbcDebugFlag;

src/common/src/tglobal.c

@@ -212,7 +212,7 @@ int32_t jniDebugFlag = 131;
 int32_t odbcDebugFlag = 131;
 int32_t httpDebugFlag = 131;
 int32_t mqttDebugFlag = 131;
-int32_t monitorDebugFlag = 131;
+int32_t monDebugFlag = 131;
 int32_t qDebugFlag = 131;
 int32_t rpcDebugFlag = 131;
 int32_t uDebugFlag = 131;
@@ -223,9 +223,9 @@ int32_t tsdbDebugFlag = 131;
 int32_t cqDebugFlag = 135;
 int32_t fsDebugFlag = 135;
 
-int32_t (*monitorStartSystemFp)() = NULL;
-void (*monitorStopSystemFp)() = NULL;
-void (*monitorExecuteSQLFp)(char *sql) = NULL;
+int32_t (*monStartSystemFp)() = NULL;
+void (*monStopSystemFp)() = NULL;
+void (*monExecuteSQLFp)(char *sql) = NULL;
 
 char *qtypeStr[] = {"rpc", "fwd", "wal", "cq", "query"};
 
@@ -242,7 +242,7 @@ void taosSetAllDebugFlag() {
     odbcDebugFlag = debugFlag;
     httpDebugFlag = debugFlag;
     mqttDebugFlag = debugFlag;
-    monitorDebugFlag = debugFlag;
+    monDebugFlag = debugFlag;
     qDebugFlag = debugFlag;    
     rpcDebugFlag = debugFlag;
     uDebugFlag = debugFlag;
@@ -283,15 +283,15 @@ bool taosCfgDynamicOptions(char *msg) {
 
     if (strncasecmp(cfg->option, "monitor", olen) == 0) {
       if (1 == vint) {
-        if (monitorStartSystemFp) {
-          (*monitorStartSystemFp)();
+        if (monStartSystemFp) {
+          (*monStartSystemFp)();
           uInfo("monitor is enabled");
         } else {
           uError("monitor can't be updated, for monitor not initialized");
         }
       } else {
-        if (monitorStopSystemFp) {
-          (*monitorStopSystemFp)();
+        if (monStopSystemFp) {
+          (*monStopSystemFp)();
           uInfo("monitor is disabled");
         } else {
           uError("monitor can't be updated, for monitor not initialized");
@@ -314,8 +314,8 @@ bool taosCfgDynamicOptions(char *msg) {
   }
 
   if (strncasecmp(option, "resetQueryCache", 15) == 0) {
-    if (monitorExecuteSQLFp) {
-      (*monitorExecuteSQLFp)("resetQueryCache");
+    if (monExecuteSQLFp) {
+      (*monExecuteSQLFp)("resetQueryCache");
       uInfo("resetquerycache is executed");
     } else {
       uError("resetquerycache can't be executed, for monitor not started");
@@ -1267,8 +1267,8 @@ static void doInitGlobalConfig(void) {
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
 
-  cfg.option = "monitorDebugFlag";
-  cfg.ptr = &monitorDebugFlag;
+  cfg.option = "monDebugFlag";
+  cfg.ptr = &monDebugFlag;
   cfg.valType = TAOS_CFG_VTYPE_INT32;
   cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG | TSDB_CFG_CTYPE_B_LOG;
   cfg.minValue = 0;

src/dnode/src/dnodeMgmt.c

@@ -24,7 +24,7 @@
 #include "tqueue.h"
 #include "tsync.h"
 #include "ttimer.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tglobal.h"
 #include "dnode.h"
 #include "vnode.h"

src/dnode/src/dnodeModule.c

@@ -78,10 +78,10 @@ static void dnodeAllocModules() {
 
   tsModule[TSDB_MOD_MONITOR].enable    = (tsEnableMonitorModule == 1);
   tsModule[TSDB_MOD_MONITOR].name      = "monitor";
-  tsModule[TSDB_MOD_MONITOR].initFp    = monitorInitSystem;
-  tsModule[TSDB_MOD_MONITOR].cleanUpFp = monitorCleanUpSystem;
-  tsModule[TSDB_MOD_MONITOR].startFp   = monitorStartSystem;
-  tsModule[TSDB_MOD_MONITOR].stopFp    = monitorStopSystem;
+  tsModule[TSDB_MOD_MONITOR].initFp    = monInitSystem;
+  tsModule[TSDB_MOD_MONITOR].cleanUpFp = monCleanupSystem;
+  tsModule[TSDB_MOD_MONITOR].startFp   = monStartSystem;
+  tsModule[TSDB_MOD_MONITOR].stopFp    = monStopSystem;
   if (tsEnableMonitorModule) {
     dnodeSetModuleStatus(TSDB_MOD_MONITOR);
   }

src/inc/monitor.h

@@ -47,13 +47,13 @@ typedef struct {
   int8_t  accessState;
 } SAcctMonitorObj;
 
-int32_t monitorInitSystem();
-int32_t monitorStartSystem();
-void    monitorStopSystem();
-void    monitorCleanUpSystem();
-void    monitorSaveAcctLog(SAcctMonitorObj *pMonObj);
-void    monitorSaveLog(int32_t level, const char *const format, ...);
-void    monitorExecuteSQL(char *sql);
+int32_t monInitSystem();
+int32_t monStartSystem();
+void    monStopSystem();
+void    monCleanupSystem();
+void    monSaveAcctLog(SAcctMonitorObj *pMonObj);
+void    monSaveLog(int32_t level, const char *const format, ...);
+void    monExecuteSQL(char *sql);
 
 #ifdef __cplusplus
 }

src/inc/tbalance.h → src/inc/tbn.h

@@ -23,14 +23,14 @@ extern "C" {
 struct SVgObj;
 struct SDnodeObj;
 
-int32_t balanceInit();
-void    balanceCleanUp();
-void    balanceAsyncNotify();
-void    balanceSyncNotify();
-void    balanceReset();
-int32_t balanceAllocVnodes(struct SVgObj *pVgroup);
-int32_t balanceAlterDnode(struct SDnodeObj *pDnode, int32_t vnodeId, int32_t dnodeId);
-int32_t balanceDropDnode(struct SDnodeObj *pDnode);
+int32_t bnInit();
+void    bnCleanUp();
+void    bnNotify();
+void    bnCheckModules();
+void    bnReset();
+int32_t bnAllocVnodes(struct SVgObj *pVgroup);
+int32_t bnAlterDnode(struct SDnodeObj *pDnode, int32_t vnodeId, int32_t dnodeId);
+int32_t bnDropDnode(struct SDnodeObj *pDnode);
 
 #ifdef __cplusplus
 }

src/mnode/inc/mnodeInt.h

@@ -41,9 +41,9 @@ extern int32_t sdbDebugFlag;
 #define sdbDebug(...) { if (sdbDebugFlag & DEBUG_DEBUG) { taosPrintLog("SDB ", sdbDebugFlag, __VA_ARGS__); }}
 #define sdbTrace(...) { if (sdbDebugFlag & DEBUG_TRACE) { taosPrintLog("SDB ", sdbDebugFlag, __VA_ARGS__); }}
 
-#define mLError(...) { monitorSaveLog(2, __VA_ARGS__); mError(__VA_ARGS__) }
-#define mLWarn(...)  { monitorSaveLog(1, __VA_ARGS__); mWarn(__VA_ARGS__)  }
-#define mLInfo(...)  { monitorSaveLog(0, __VA_ARGS__); mInfo(__VA_ARGS__) }
+#define mLError(...) { monSaveLog(2, __VA_ARGS__); mError(__VA_ARGS__) }
+#define mLWarn(...)  { monSaveLog(1, __VA_ARGS__); mWarn(__VA_ARGS__)  }
+#define mLInfo(...)  { monSaveLog(0, __VA_ARGS__); mInfo(__VA_ARGS__) }
 
 #ifdef __cplusplus
 }

src/mnode/src/mnodeDb.c

@@ -20,7 +20,7 @@
 #include "tgrant.h"
 #include "tglobal.h"
 #include "tname.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tdataformat.h"
 #include "mnode.h"
 #include "mnodeDef.h"
@@ -997,7 +997,7 @@ static int32_t mnodeAlterDbCb(SMnodeMsg *pMsg, int32_t code) {
   mDebug("db:%s, all vgroups is altered", pDb->name);
   mLInfo("db:%s, is alterd by %s", pDb->name, mnodeGetUserFromMsg(pMsg));
 
-  balanceAsyncNotify();
+  bnNotify();
 
   return TSDB_CODE_SUCCESS;
 }

src/mnode/src/mnodeDnode.c

@@ -16,12 +16,12 @@
 #define _DEFAULT_SOURCE
 #include "os.h"
 #include "tgrant.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tglobal.h"
 #include "tconfig.h"
 #include "tutil.h"
 #include "tsocket.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tsync.h"
 #include "tdataformat.h"
 #include "mnode.h"
@@ -112,7 +112,7 @@ static int32_t mnodeDnodeActionDelete(SSdbRow *pRow) {
   SDnodeObj *pDnode = pRow->pObj;
  
   mnodeDropMnodeLocal(pDnode->dnodeId);
-  balanceAsyncNotify();
+  bnNotify();
   mnodeUpdateDnodeEps();
 
   mDebug("dnode:%d, all vgroups is dropped from sdb", pDnode->dnodeId);
@@ -344,7 +344,7 @@ static int32_t mnodeProcessCfgDnodeMsg(SMnodeMsg *pMsg) {
       return TSDB_CODE_MND_INVALID_DNODE_CFG_OPTION;
     }
 
-    int32_t code = balanceAlterDnode(pDnode, vnodeId, dnodeId);
+    int32_t code = bnAlterDnode(pDnode, vnodeId, dnodeId);
     mnodeDecDnodeRef(pDnode);
     return code;
   } else {
@@ -588,8 +588,8 @@ static int32_t mnodeProcessDnodeStatusMsg(SMnodeMsg *pMsg) {
     mInfo("dnode:%d, from offline to online", pDnode->dnodeId);
     pDnode->status = TAOS_DN_STATUS_READY;
     pDnode->offlineReason = TAOS_DN_OFF_ONLINE;
-    balanceSyncNotify();
-    balanceAsyncNotify();
+    bnCheckModules();
+    bnNotify();
   }
 
   if (openVnodes != pDnode->openVnodes) {
@@ -702,7 +702,7 @@ static int32_t mnodeDropDnodeByEp(char *ep, SMnodeMsg *pMsg) {
 
   mInfo("dnode:%d, start to drop it", pDnode->dnodeId);
 
-  int32_t code = balanceDropDnode(pDnode);
+  int32_t code = bnDropDnode(pDnode);
   mnodeDecDnodeRef(pDnode);
   return code;
 }

src/mnode/src/mnodeMain.c

@@ -17,7 +17,7 @@
 #include "os.h"
 #include "taosdef.h"
 #include "tsched.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tgrant.h"
 #include "ttimer.h"
 #include "tglobal.h"
@@ -52,7 +52,7 @@ static SStep tsMnodeSteps[] = {
   {"tables",  mnodeInitTables,  mnodeCleanupTables},  
   {"mnodes",  mnodeInitMnodes,  mnodeCleanupMnodes},
   {"sdb",     sdbInit,          sdbCleanUp},
-  {"balance", balanceInit,      balanceCleanUp},
+  {"balance", bnInit,           bnCleanUp},
   {"grant",   grantInit,        grantCleanUp},
   {"show",    mnodeInitShow,    mnodeCleanUpShow}
 };

src/mnode/src/mnodeMnode.c

@@ -19,7 +19,7 @@
 #include "tglobal.h"
 #include "trpc.h"
 #include "tsync.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tutil.h"
 #include "tsocket.h"
 #include "tdataformat.h"

src/mnode/src/mnodePeer.c

@@ -19,7 +19,7 @@
 #include "tsched.h"
 #include "tutil.h"
 #include "tgrant.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tglobal.h"
 #include "mnode.h"
 #include "dnode.h"

src/mnode/src/mnodeRead.c

@@ -17,7 +17,7 @@
 #include "os.h"
 #include "taosdef.h"
 #include "tsched.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tgrant.h"
 #include "ttimer.h"
 #include "tglobal.h"

src/mnode/src/mnodeSdb.c

@@ -19,7 +19,7 @@
 #include "hash.h"
 #include "tutil.h"
 #include "tref.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tqueue.h"
 #include "twal.h"
 #include "tsync.h"
@@ -244,7 +244,7 @@ static void sdbNotifyRole(int32_t vgId, int8_t role) {
   sdbInfo("vgId:1, mnode role changed from %s to %s", syncRole[tsSdbMgmt.role], syncRole[role]);
 
   if (role == TAOS_SYNC_ROLE_MASTER && tsSdbMgmt.role != TAOS_SYNC_ROLE_MASTER) {
-    balanceReset();
+    bnReset();
   }
   tsSdbMgmt.role = role;
 

src/mnode/src/mnodeVgroup.c

@@ -20,7 +20,7 @@
 #include "tsocket.h"
 #include "tidpool.h"
 #include "tsync.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tglobal.h"
 #include "tdataformat.h"
 #include "dnode.h"
@@ -563,7 +563,7 @@ int32_t mnodeCreateVgroup(SMnodeMsg *pMsg) {
   pVgroup->numOfVnodes = pDb->cfg.replications;
   pVgroup->createdTime = taosGetTimestampMs();
   pVgroup->accessState = TSDB_VN_ALL_ACCCESS;
-  int32_t code = balanceAllocVnodes(pVgroup);
+  int32_t code = bnAllocVnodes(pVgroup);
   if (code != TSDB_CODE_SUCCESS) {
     mError("db:%s, no enough dnode to alloc %d vnodes to vgroup, reason:%s", pDb->name, pVgroup->numOfVnodes,
            tstrerror(code));

src/mnode/src/mnodeWrite.c

@@ -17,7 +17,7 @@
 #include "os.h"
 #include "taosdef.h"
 #include "tsched.h"
-#include "tbalance.h"
+#include "tbn.h"
 #include "tgrant.h"
 #include "tglobal.h"
 #include "trpc.h"

src/plugins/monitor/src/monitorMain.c → src/plugins/monitor/src/monMain.c

@@ -26,12 +26,12 @@
 #include "monitor.h"
 #include "taoserror.h"
 
-#define mnFatal(...) { if (monitorDebugFlag & DEBUG_FATAL) { taosPrintLog("MON FATAL ", 255, __VA_ARGS__); }}
-#define mnError(...) { if (monitorDebugFlag & DEBUG_ERROR) { taosPrintLog("MON ERROR ", 255, __VA_ARGS__); }}
-#define mnWarn(...)  { if (monitorDebugFlag & DEBUG_WARN)  { taosPrintLog("MON WARN ", 255, __VA_ARGS__); }}
-#define mnInfo(...)  { if (monitorDebugFlag & DEBUG_INFO)  { taosPrintLog("MON ", 255, __VA_ARGS__); }}
-#define mnDebug(...) { if (monitorDebugFlag & DEBUG_DEBUG) { taosPrintLog("MON ", monitorDebugFlag, __VA_ARGS__); }}
-#define mnTrace(...) { if (monitorDebugFlag & DEBUG_TRACE) { taosPrintLog("MON ", monitorDebugFlag, __VA_ARGS__); }}
+#define monFatal(...) { if (monDebugFlag & DEBUG_FATAL) { taosPrintLog("MON FATAL ", 255, __VA_ARGS__); }}
+#define monError(...) { if (monDebugFlag & DEBUG_ERROR) { taosPrintLog("MON ERROR ", 255, __VA_ARGS__); }}
+#define monWarn(...)  { if (monDebugFlag & DEBUG_WARN)  { taosPrintLog("MON WARN ", 255, __VA_ARGS__); }}
+#define monInfo(...)  { if (monDebugFlag & DEBUG_INFO)  { taosPrintLog("MON ", 255, __VA_ARGS__); }}
+#define monDebug(...) { if (monDebugFlag & DEBUG_DEBUG) { taosPrintLog("MON ", monDebugFlag, __VA_ARGS__); }}
+#define monTrace(...) { if (monDebugFlag & DEBUG_TRACE) { taosPrintLog("MON ", monDebugFlag, __VA_ARGS__); }}
 
 #define SQL_LENGTH     1030
 #define LOG_LEN_STR    100
@@ -47,12 +47,12 @@ typedef enum {
   MON_CMD_CREATE_TB_ACCT_ROOT,
   MON_CMD_CREATE_TB_SLOWQUERY,
   MON_CMD_MAX
-} EMonitorCommand;
+} EMonCmd;
 
 typedef enum {
   MON_STATE_NOT_INIT,
   MON_STATE_INITED
-} EMonitorState;
+} EMonState;
 
 typedef struct {
   pthread_t thread;
@@ -63,17 +63,17 @@ typedef struct {
   int8_t    start;   // enable/disable by mnode
   int8_t    quiting; // taosd is quiting 
   char      sql[SQL_LENGTH + 1];
-} SMonitorConn;
+} SMonConn;
 
-static SMonitorConn tsMonitor = {0};
-static void  monitorSaveSystemInfo();
-static void *monitorThreadFunc(void *param);
-static void  monitorBuildMonitorSql(char *sql, int32_t cmd);
-extern int32_t (*monitorStartSystemFp)();
-extern void    (*monitorStopSystemFp)();
-extern void    (*monitorExecuteSQLFp)(char *sql);
+static SMonConn tsMonitor = {0};
+static void  monSaveSystemInfo();
+static void *monThreadFunc(void *param);
+static void  monBuildMonitorSql(char *sql, int32_t cmd);
+extern int32_t (*monStartSystemFp)();
+extern void    (*monStopSystemFp)();
+extern void    (*monExecuteSQLFp)(char *sql);
 
-int32_t monitorInitSystem() {
+int32_t monInitSystem() {
   if (tsMonitor.ep[0] == 0) {
     strcpy(tsMonitor.ep, tsLocalEp);
   }
@@ -89,29 +89,29 @@ int32_t monitorInitSystem() {
   pthread_attr_init(&thAttr);
   pthread_attr_setdetachstate(&thAttr, PTHREAD_CREATE_JOINABLE);
 
-  if (pthread_create(&tsMonitor.thread, &thAttr, monitorThreadFunc, NULL)) {
-    mnError("failed to create thread to for monitor module, reason:%s", strerror(errno));
+  if (pthread_create(&tsMonitor.thread, &thAttr, monThreadFunc, NULL)) {
+    monError("failed to create thread to for monitor module, reason:%s", strerror(errno));
     return -1;
   }
 
   pthread_attr_destroy(&thAttr);
-  mnDebug("monitor thread is launched");
+  monDebug("monitor thread is launched");
 
-  monitorStartSystemFp = monitorStartSystem;
-  monitorStopSystemFp = monitorStopSystem;
+  monStartSystemFp = monStartSystem;
+  monStopSystemFp = monStopSystem;
   return 0;
 }
 
-int32_t monitorStartSystem() {
+int32_t monStartSystem() {
   taos_init();
   tsMonitor.start = 1;
-  monitorExecuteSQLFp = monitorExecuteSQL;
-  mnInfo("monitor module start");
+  monExecuteSQLFp = monExecuteSQL;
+  monInfo("monitor module start");
   return 0;
 }
 
-static void *monitorThreadFunc(void *param) {
-  mnDebug("starting to initialize monitor module ...");
+static void *monThreadFunc(void *param) {
+  monDebug("starting to initialize monitor module ...");
 
   while (1) {
     static int32_t accessTimes = 0;
@@ -120,7 +120,7 @@ static void *monitorThreadFunc(void *param) {
 
     if (tsMonitor.quiting) {
       tsMonitor.state = MON_STATE_NOT_INIT;
-      mnInfo("monitor thread will quit, for taosd is quiting");
+      monInfo("monitor thread will quit, for taosd is quiting");
       break;
     } else {
       taosGetDisk();
@@ -131,7 +131,7 @@ static void *monitorThreadFunc(void *param) {
     }
     
     if (dnodeGetDnodeId() <= 0) {
-      mnDebug("dnode not initialized, waiting for 3000 ms to start monitor module");
+      monDebug("dnode not initialized, waiting for 3000 ms to start monitor module");
       continue;
     }
 
@@ -139,10 +139,10 @@ static void *monitorThreadFunc(void *param) {
       tsMonitor.state = MON_STATE_NOT_INIT;
       tsMonitor.conn = taos_connect(NULL, "monitor", tsInternalPass, "", 0);
       if (tsMonitor.conn == NULL) {
-        mnError("failed to connect to database, reason:%s", tstrerror(terrno));
+        monError("failed to connect to database, reason:%s", tstrerror(terrno));
         continue;
       } else {
-        mnDebug("connect to database success");
+        monDebug("connect to database success");
       }
     }
 
@@ -150,16 +150,16 @@ static void *monitorThreadFunc(void *param) {
       int code = 0;
 
       for (; tsMonitor.cmdIndex < MON_CMD_MAX; ++tsMonitor.cmdIndex) {
-        monitorBuildMonitorSql(tsMonitor.sql, tsMonitor.cmdIndex);
+        monBuildMonitorSql(tsMonitor.sql, tsMonitor.cmdIndex);
         void *res = taos_query(tsMonitor.conn, tsMonitor.sql);
         code = taos_errno(res);
         taos_free_result(res);
 
         if (code != 0) {
-          mnError("failed to exec sql:%s, reason:%s", tsMonitor.sql, tstrerror(code));
+          monError("failed to exec sql:%s, reason:%s", tsMonitor.sql, tstrerror(code));
           break;
         } else {
-          mnDebug("successfully to exec sql:%s", tsMonitor.sql);
+          monDebug("successfully to exec sql:%s", tsMonitor.sql);
         }
       }
 
@@ -170,16 +170,16 @@ static void *monitorThreadFunc(void *param) {
 
     if (tsMonitor.state == MON_STATE_INITED) {
       if (accessTimes % tsMonitorInterval == 0) {
-        monitorSaveSystemInfo();
+        monSaveSystemInfo();
       }
     }
   }
 
-  mnInfo("monitor thread is stopped");
+  monInfo("monitor thread is stopped");
   return NULL;
 }
 
-static void monitorBuildMonitorSql(char *sql, int32_t cmd) {
+static void monBuildMonitorSql(char *sql, int32_t cmd) {
   memset(sql, 0, SQL_LENGTH);
 
   if (cmd == MON_CMD_CREATE_DB) {
@@ -235,47 +235,47 @@ static void monitorBuildMonitorSql(char *sql, int32_t cmd) {
   sql[SQL_LENGTH] = 0;
 }
 
-void monitorStopSystem() {
+void monStopSystem() {
   tsMonitor.start = 0;
   tsMonitor.state = MON_STATE_NOT_INIT;
-  monitorExecuteSQLFp = NULL;
-  mnInfo("monitor module stopped");
+  monExecuteSQLFp = NULL;
+  monInfo("monitor module stopped");
 }
 
-void monitorCleanUpSystem() {
+void monCleanupSystem() {
   tsMonitor.quiting = 1;
-  monitorStopSystem();
+  monStopSystem();
   pthread_join(tsMonitor.thread, NULL);
   if (tsMonitor.conn != NULL) {
     taos_close(tsMonitor.conn);
     tsMonitor.conn = NULL;
   }
-  mnInfo("monitor module is cleaned up");
+  monInfo("monitor module is cleaned up");
 }
 
 // unit is MB
-static int32_t monitorBuildMemorySql(char *sql) {
+static int32_t monBuildMemorySql(char *sql) {
   float sysMemoryUsedMB = 0;
   bool  suc = taosGetSysMemory(&sysMemoryUsedMB);
   if (!suc) {
-    mnDebug("failed to get sys memory info");
+    monDebug("failed to get sys memory info");
   }
 
   float procMemoryUsedMB = 0;
   suc = taosGetProcMemory(&procMemoryUsedMB);
   if (!suc) {
-    mnDebug("failed to get proc memory info");
+    monDebug("failed to get proc memory info");
   }
 
   return sprintf(sql, ", %f, %f, %d", procMemoryUsedMB, sysMemoryUsedMB, tsTotalMemoryMB);
 }
 
 // unit is %
-static int32_t monitorBuildCpuSql(char *sql) {
+static int32_t monBuildCpuSql(char *sql) {
   float sysCpuUsage = 0, procCpuUsage = 0;
   bool  suc = taosGetCpuUsage(&sysCpuUsage, &procCpuUsage);
   if (!suc) {
-    mnDebug("failed to get cpu usage");
+    monDebug("failed to get cpu usage");
   }
 
   if (sysCpuUsage <= procCpuUsage) {
@@ -286,72 +286,72 @@ static int32_t monitorBuildCpuSql(char *sql) {
 }
 
 // unit is GB
-static int32_t monitorBuildDiskSql(char *sql) {
+static int32_t monBuildDiskSql(char *sql) {
   return sprintf(sql, ", %f, %d", (tsTotalDataDirGB - tsAvailDataDirGB), (int32_t)tsTotalDataDirGB);
 }
 
 // unit is Kb
-static int32_t monitorBuildBandSql(char *sql) {
+static int32_t monBuildBandSql(char *sql) {
   float bandSpeedKb = 0;
   bool  suc = taosGetBandSpeed(&bandSpeedKb);
   if (!suc) {
-    mnDebug("failed to get bandwidth speed");
+    monDebug("failed to get bandwidth speed");
   }
 
   return sprintf(sql, ", %f", bandSpeedKb);
 }
 
-static int32_t monitorBuildReqSql(char *sql) {
+static int32_t monBuildReqSql(char *sql) {
   SStatisInfo info = dnodeGetStatisInfo();
   return sprintf(sql, ", %d, %d, %d)", info.httpReqNum, info.queryReqNum, info.submitReqNum);
 }
 
-static int32_t monitorBuildIoSql(char *sql) {
+static int32_t monBuildIoSql(char *sql) {
   float readKB = 0, writeKB = 0;
   bool  suc = taosGetProcIO(&readKB, &writeKB);
   if (!suc) {
-    mnDebug("failed to get io info");
+    monDebug("failed to get io info");
   }
 
   return sprintf(sql, ", %f, %f", readKB, writeKB);
 }
 
-static void monitorSaveSystemInfo() {
+static void monSaveSystemInfo() {
   int64_t ts = taosGetTimestampUs();
   char *  sql = tsMonitor.sql;
   int32_t pos = snprintf(sql, SQL_LENGTH, "insert into %s.dn%d values(%" PRId64, tsMonitorDbName, dnodeGetDnodeId(), ts);
 
-  pos += monitorBuildCpuSql(sql + pos);
-  pos += monitorBuildMemorySql(sql + pos);
-  pos += monitorBuildDiskSql(sql + pos);
-  pos += monitorBuildBandSql(sql + pos);
-  pos += monitorBuildIoSql(sql + pos);
-  pos += monitorBuildReqSql(sql + pos);
+  pos += monBuildCpuSql(sql + pos);
+  pos += monBuildMemorySql(sql + pos);
+  pos += monBuildDiskSql(sql + pos);
+  pos += monBuildBandSql(sql + pos);
+  pos += monBuildIoSql(sql + pos);
+  pos += monBuildReqSql(sql + pos);
 
   void *res = taos_query(tsMonitor.conn, tsMonitor.sql);
   int   code = taos_errno(res);
   taos_free_result(res);
 
   if (code != 0) {
-    mnError("failed to save system info, reason:%s, sql:%s", tstrerror(code), tsMonitor.sql);
+    monError("failed to save system info, reason:%s, sql:%s", tstrerror(code), tsMonitor.sql);
   } else {
-    mnDebug("successfully to save system info, sql:%s", tsMonitor.sql);
+    monDebug("successfully to save system info, sql:%s", tsMonitor.sql);
   }
 }
 
-static void montiorExecSqlCb(void *param, TAOS_RES *result, int32_t code) {
+static void monExecSqlCb(void *param, TAOS_RES *result, int32_t code) {
   int32_t c = taos_errno(result);
   if (c != TSDB_CODE_SUCCESS) {
-    mnError("save %s failed, reason:%s", (char *)param, tstrerror(c));
+    monError("save %s failed, reason:%s", (char *)param, tstrerror(c));
   } else {
     int32_t rows = taos_affected_rows(result);
-    mnDebug("save %s succ, rows:%d", (char *)param, rows);
+    monDebug("save %s succ, rows:%d", (char *)param, rows);
   }
 
   taos_free_result(result);
 }
 
-void monitorSaveAcctLog(SAcctMonitorObj *pMon) {
+void monSaveAcctLog(SAcctMonitorObj *pMon) {
   if (tsMonitor.state != MON_STATE_INITED) return;
 
   char sql[1024] = {0};
@@ -381,11 +381,11 @@ void monitorSaveAcctLog(SAcctMonitorObj *pMon) {
           pMon->totalConns, pMon->maxConns,
           pMon->accessState);
 
-  mnDebug("save account info, sql:%s", sql);
-  taos_query_a(tsMonitor.conn, sql, montiorExecSqlCb, "account info");
+  monDebug("save account info, sql:%s", sql);
+  taos_query_a(tsMonitor.conn, sql, monExecSqlCb, "account info");
 }
 
-void monitorSaveLog(int32_t level, const char *const format, ...) {
+void monSaveLog(int32_t level, const char *const format, ...) {
   if (tsMonitor.state != MON_STATE_INITED) return;
 
   va_list argpointer;
@@ -402,13 +402,13 @@ void monitorSaveLog(int32_t level, const char *const format, ...) {
   len += sprintf(sql + len, "', '%s')", tsLocalEp);
   sql[len++] = 0;
 
-  mnDebug("save log, sql: %s", sql);
-  taos_query_a(tsMonitor.conn, sql, montiorExecSqlCb, "log");
+  monDebug("save log, sql: %s", sql);
+  taos_query_a(tsMonitor.conn, sql, monExecSqlCb, "log");
 }
 
-void monitorExecuteSQL(char *sql) {
+void monExecuteSQL(char *sql) {
   if (tsMonitor.state != MON_STATE_INITED) return;
 
-  mnDebug("execute sql:%s", sql);
-  taos_query_a(tsMonitor.conn, sql, montiorExecSqlCb, "sql");
+  monDebug("execute sql:%s", sql);
+  taos_query_a(tsMonitor.conn, sql, monExecSqlCb, "sql");
 }

tests/examples/JDBC/JDBCDemo/pom.xml

@@ -56,7 +56,7 @@
         <dependency>
             <groupId>com.taosdata.jdbc</groupId>
             <artifactId>taos-jdbcdriver</artifactId>
-            <version>2.0.8</version>
+            <version>2.0.12</version>
         </dependency>
         <dependency>
             <groupId>log4j</groupId>

tests/examples/JDBC/JDBCDemo/readme.md

@@ -6,10 +6,24 @@ TDengine's JDBC demo project is organized in a Maven way so that users can easil
 Make sure you have already installed a tdengine client on your current develop environment.
 Download the tdengine package on our website: ``https://www.taosdata.com/cn/all-downloads/`` and install the client.
 
+## How to run jdbcChecker
+<pre>mvn clean compile exec:java -Dexec.mainClass="com.taosdata.example.JdbcChecker" -Dexec.args="-host localhost"</pre>
+
+## How to run jdbcTaosDemo
+run command:
+<pre> mvn clean compile exec:java -Dexec.mainClass="com.taosdata.example.jdbcTaosdemo.JdbcTaosdemo"</pre>
+and run with your customed args
+<pre>mvn clean compile exec:java -Dexec.mainClass="com.taosdata.example.jdbcTaosdemo.JdbcTaosdemo" -Dexec.args="-host localhost"</pre>
+
 ## Compile the Demo Code and Run It
+
 To compile the demo project, go to the source directory ``TDengine/tests/examples/JDBC/JDBCDemo`` and execute
-<pre>mvn clean package assembly:single</pre>
+
+<pre>
+mvn clean package assembly:single
+</pre>
+
 The ``pom.xml`` is configured to package all the dependencies into one executable jar file.
 
 To run it, go to ``examples/JDBC/JDBCDemo/target`` and execute
-<pre>java -jar jdbcChecker-SNAPSHOT-jar-with-dependencies.jar -host localhost</pre>
+<pre>java -jar jdbcChecker-SNAPSHOT-jar-with-dependencies.jar -host localhost</pre>
\ No newline at end of file

tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/jdbcTaosdemo/task/InsertTableTask.java

@@ -41,7 +41,7 @@ public class InsertTableTask implements Runnable {
                 long ts = start.toEpochMilli() + (j * timeGap);
                 // insert data into echo table
                 for (int i = startTbIndex; i < startTbIndex + tableNumber; i++) {
-                    String sql = SqlSpeller.insertOneRowSQL(config.getDbName(), config.getTbPrefix(), i + 1, ts);
+                    String sql = SqlSpeller.insertBatchSizeRowsSQL(config.getDbName(), config.getTbPrefix(), i + 1, ts, config.getNumberOfRecordsPerRequest());
                     logger.info(Thread.currentThread().getName() + ">>> " + sql);
                     Statement statement = connection.createStatement();
                     statement.execute(sql);

tests/pytest/client/alterDatabase.py

@@ -32,9 +32,9 @@ class TDTestCase:
         tdSql.query("show databases")
         tdSql.checkData(0, 14, 2)
 
-        tdSql.execute("alter database db keep 365")
+        tdSql.execute("alter database db keep 365,365,365")
         tdSql.query("show databases")
-        tdSql.checkData(0, 7, "3650,3650,365")
+        tdSql.checkData(0, 7, "365,365,365")
 
         tdSql.execute("alter database db quorum 2")
         tdSql.query("show databases")

tests/pytest/crash_gen/db.py

@@ -78,7 +78,7 @@ class DbConn:
         if nRows != 1:
             raise taos.error.ProgrammingError(
                 "Unexpected result for query: {}, rows = {}".format(sql, nRows), 
-                (0x991 if nRows==0 else 0x992)
+                (CrashGenError.INVALID_EMPTY_RESULT if nRows==0 else CrashGenError.INVALID_MULTIPLE_RESULT)
             )
         if self.getResultRows() != 1 or self.getResultCols() != 1:
             raise RuntimeError("Unexpected result set for query: {}".format(sql))
@@ -349,7 +349,8 @@ class DbConnNative(DbConn):
 
     def execute(self, sql):
         if (not self.isOpen):
-            raise RuntimeError("Cannot execute database commands until connection is open")
+            raise CrashGenError(
+                "Cannot exec SQL unless db connection is open", CrashGenError.DB_CONNECTION_NOT_OPEN)
         Logging.debug("[SQL] Executing SQL: {}".format(sql))
         self._lastSql = sql
         nRows = self._tdSql.execute(sql)
@@ -360,8 +361,8 @@ class DbConnNative(DbConn):
 
     def query(self, sql):  # return rows affected
         if (not self.isOpen):
-            raise RuntimeError(
-                "Cannot query database until connection is open")
+            raise CrashGenError(
+                "Cannot query database until connection is open, restarting?", CrashGenError.DB_CONNECTION_NOT_OPEN)
         Logging.debug("[SQL] Executing SQL: {}".format(sql))
         self._lastSql = sql
         nRows = self._tdSql.query(sql)

tests/pytest/crash_gen/misc.py

@@ -3,14 +3,20 @@ import random
 import logging
 import os
 
+import taos
 
-class CrashGenError(Exception):
-    def __init__(self, msg=None, errno=None):
-        self.msg = msg
-        self.errno = errno
 
-    def __str__(self):
-        return self.msg
+class CrashGenError(taos.error.ProgrammingError):
+    INVALID_EMPTY_RESULT    = 0x991
+    INVALID_MULTIPLE_RESULT = 0x992
+    DB_CONNECTION_NOT_OPEN  = 0x993
+    # def __init__(self, msg=None, errno=None):
+    #     self.msg = msg
+    #     self.errno = errno
+
+    # def __str__(self):
+    #     return self.msg
+    pass
 
 
 class LoggingFilter(logging.Filter):
@@ -168,6 +174,7 @@ class Progress:
     SERVICE_RECONNECT_FAILURE   = 6
     SERVICE_START_NAP           = 7
     CREATE_TABLE_ATTEMPT        = 8
+    QUERY_GROUP_BY              = 9
 
     tokens = {
         STEP_BOUNDARY:      '.',
@@ -178,7 +185,8 @@ class Progress:
         SERVICE_RECONNECT_SUCCESS:  '.r>',
         SERVICE_RECONNECT_FAILURE:  '.xr>',
         SERVICE_START_NAP:           '_zz',
-        CREATE_TABLE_ATTEMPT: '_c',
+        CREATE_TABLE_ATTEMPT:       'c',
+        QUERY_GROUP_BY:             'g',
     }
 
     @classmethod

tests/pytest/crash_gen/service_manager.py

@@ -51,10 +51,12 @@ class TdeInstance():
     def prepareGcovEnv(cls, env):
         # Ref: https://gcc.gnu.org/onlinedocs/gcc/Cross-profiling.html
         bPath = cls._getBuildPath() # build PATH
-        numSegments = len(bPath.split('/')) - 1 # "/x/TDengine/build" should yield 3
-        numSegments = numSegments - 1 # DEBUG only
-        env['GCOV_PREFIX'] = bPath + '/svc_gcov'
+        numSegments = len(bPath.split('/')) # "/x/TDengine/build" should yield 3
+        # numSegments += 2 # cover "/src" after build
+        # numSegments = numSegments - 1 # DEBUG only
+        env['GCOV_PREFIX'] = bPath + '/src_s' # Server side source
         env['GCOV_PREFIX_STRIP'] = str(numSegments) # Strip every element, plus, ENV needs strings
+        # VERY VERY important note: GCOV data collection NOT effective upon SIG_KILL
         Logging.info("Preparing GCOV environement to strip {} elements and use path: {}".format(
             numSegments, env['GCOV_PREFIX'] ))
 
@@ -258,14 +260,15 @@ class TdeSubProcess:
         TdeInstance.prepareGcovEnv(myEnv)
 
         # print(myEnv)
-        # print(myEnv.items())
+        # print("Starting TDengine with env: ", myEnv.items())
         # print("Starting TDengine via Shell: {}".format(cmdLineStr))
 
         useShell = True    
         self.subProcess = subprocess.Popen(
-            ' '.join(cmdLine) if useShell else cmdLine,
-            shell=useShell,
-            # svcCmdSingle, shell=True, # capture core dump?
+            # ' '.join(cmdLine) if useShell else cmdLine,
+            # shell=useShell,
+            ' '.join(cmdLine),
+            shell=True,
             stdout=subprocess.PIPE,
             stderr=subprocess.PIPE,
             # bufsize=1, # not supported in binary mode
@@ -273,7 +276,8 @@ class TdeSubProcess:
             env=myEnv
             )  # had text=True, which interferred with reading EOF
 
-    STOP_SIGNAL = signal.SIGKILL # What signal to use (in kill) to stop a taosd process?
+    STOP_SIGNAL = signal.SIGKILL # signal.SIGKILL/SIGINT # What signal to use (in kill) to stop a taosd process?
+    SIG_KILL_RETCODE = 137 # ref: https://stackoverflow.com/questions/43268156/process-finished-with-exit-code-137-in-pycharm
 
     def stop(self):
         """
@@ -320,8 +324,12 @@ class TdeSubProcess:
         retCode = self.subProcess.returncode # should always be there
         # May throw subprocess.TimeoutExpired exception above, therefore
         # The process is guranteed to have ended by now
-        self.subProcess = None        
-        if retCode != 0: # != (- signal.SIGINT):
+        self.subProcess = None       
+        if retCode == self.SIG_KILL_RETCODE:
+            Logging.info("TSP.stop(): sub proc KILLED, as expected")
+        elif retCode == (- self.STOP_SIGNAL):
+            Logging.info("TSP.stop(), sub process STOPPED, as expected")
+        elif retCode != 0: # != (- signal.SIGINT):
             Logging.error("TSP.stop(): Failed to stop sub proc properly w/ SIG {}, retCode={}".format(
                 self.STOP_SIGNAL, retCode))
         else:

tests/pytest/fulltest.sh

@@ -19,6 +19,7 @@ python3 ./test.py -f insert/randomNullCommit.py
 python3 insert/retentionpolicy.py
 python3 ./test.py -f insert/alterTableAndInsert.py
 python3 ./test.py -f insert/insertIntoTwoTables.py
+python3 ./test.py -f insert/before_1970.py
 
 python3 ./test.py -f table/alter_wal0.py
 python3 ./test.py -f table/column_name.py
@@ -228,6 +229,7 @@ python3 ./test.py -f update/merge_commit_data2.py
 python3 ./test.py -f update/merge_commit_data2_update0.py
 python3 ./test.py -f update/merge_commit_last-0.py
 python3 ./test.py -f update/merge_commit_last.py
+python3 ./test.py -f update/bug_td2279.py
 
 # wal
 python3 ./test.py -f wal/addOldWalTest.py
\ No newline at end of file

tests/pytest/insert/restfulInsert.py

@@ -44,22 +44,9 @@ class RestfulInsert:
             if response.status_code != 200:
                     print(response.content)
 
-    def insertData(self, threadID):        
-        print("thread %d started" % threadID)
-        tablesPerThread = int (self.numOfTables / self.numOfThreads)        
-        for i in range(tablesPerThread):
-            tableID = i + threadID * tablesPerThread
-            start = self.ts
-            for j in range(int(self.recordsPerTable / self.batchSize)):
-                data = "insert into %s.%s%d values" % (self.dbname, self.tableNamePerfix, tableID)
-                values = []
-                for k in range(self.batchSize):
-                    data +=  "(%d, %d, %d, %d)" %  (start + j * self.batchSize + k, random.randint(1, 100), random.randint(1, 100), random.randint(1, 100))                                
-                response = requests.post(self.url, data, headers = self.header)
-                if response.status_code != 200:
-                    print(response.content)
+
    
-    def insertnData(self, threadID):        
+    def insertData(self, threadID):        
         print("thread %d started" % threadID)
         tablesPerThread = int (self.numOfTables / self.numOfThreads)   
         loop = int(self.recordsPerTable / self.batchSize)   
@@ -81,11 +68,9 @@ class RestfulInsert:
                     if self.outOfOrder :
                         random.shuffle(values)
                     data+=''.join(values)
-                    
                     response = requests.post(self.url, data, headers = self.header)
                     if response.status_code != 200:
                         print(response.content)
-                print('----------------',loop,time.time()-start1)
         else:
             for i in range(0,tablesPerThread+self.tablePerbatch,self.tablePerbatch): 
                 for k in range(loop):
@@ -101,8 +86,7 @@ class RestfulInsert:
                             values.append("(%d, %d, %d, %d)" %  (start + k * self.batchSize + l, random.randint(1, 100), random.randint(1, 100), random.randint(1, 100)))    
                         if self.outOfOrder :
                             random.shuffle(values)
-                        data+=''.join(values)  
-                    print('------------------',len(data))                        
+                        data+=''.join(values)                          
                     if len(data) > 1024*1024 : 
                         print ('batch size is larger than 1M')
                         exit(-1)
@@ -169,7 +153,7 @@ class RestfulInsert:
         
         for i in range(self.numOfThreads):
             threads[i].join()
-        print("inserting %d records takes %d seconds" % (self.numOfTables * self.recordsPerTable, (time.time() - startTime)))
+        print("inserting %s records takes %d seconds" % (self.numOfTables * self.recordsPerTable, (time.time() - startTime)))
 
 parser = argparse.ArgumentParser()
 parser.add_argument(
@@ -204,14 +188,14 @@ parser.add_argument(
     '-T',
     '--number-of-tables',
     action='store',
-    default=1000,
+    default=10000,
     type=int,
     help='Number of tables to be created (default: 1000)')
 parser.add_argument(
     '-r',
     '--number-of-records',
     action='store',
-    default=1000,
+    default=10000,
     type=int,
     help='Number of record to be created for each table  (default: 1000, -1 for unlimited records)')
 parser.add_argument(

tests/pytest/update/bug_td2279.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 taos
+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())
+
+        self.ts = 1606700000000
+    
+    def restartTaosd(self):
+        tdDnodes.stop(1)
+        tdDnodes.startWithoutSleep(1)
+        tdSql.execute("use db")
+
+    def run(self):            
+        tdSql.prepare()
+
+        print("==============step1")        
+        tdSql.execute("create table t (ts timestamp, a int)")
+
+        for i in range(3276):
+            tdSql.execute("insert into t values(%d, 0)" % (self.ts + i))
+
+        newTs = 1606700010000
+        for i in range(3275):
+            tdSql.execute("insert into t values(%d, 0)" % (self.ts + i))
+        tdSql.execute("insert into t values(%d, 0)" % 1606700013280)
+        
+        self.restartTaosd()
+        
+        for i in range(1606700003275, 1606700006609):
+            tdSql.execute("insert into t values(%d, 0)" % i)
+        tdSql.execute("insert into t values(%d, 0)" % 1606700006612)
+        
+        self.restartTaosd()
+
+        tdSql.execute("insert into t values(%d, 0)" % 1606700006610)        
+        tdSql.query("select * from t")
+        tdSql.checkRows(6612)
+
+        tdDnodes.stop(1)
+        
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/script/general/alter/dnode.sim

@@ -24,7 +24,7 @@ sql alter dnode 1 debugFlag 135
 sql alter dnode 1 debugFlag 131
 sql alter dnode 1 monitor 0
 sql alter dnode 1 debugFlag 135
-sql alter dnode 1 monitorDebugFlag 135
+sql alter dnode 1 monDebugFlag 135
 sql alter dnode 1 vDebugFlag 135
 sql alter dnode 1 mDebugFlag 135
 sql alter dnode 1 cDebugFlag 135
@@ -44,15 +44,15 @@ sql_error alter dnode 2 tmrDebugFlag 135
 
 print ======== step3
 sql_error alter $hostname1 debugFlag 135
-sql_error alter $hostname1 monitorDebugFlag 135
+sql_error alter $hostname1 monDebugFlag 135
 sql_error alter $hostname1 vDebugFlag 135
 sql_error alter $hostname1 mDebugFlag 135
 sql_error alter dnode $hostname2 debugFlag 135
-sql_error alter dnode $hostname2 monitorDebugFlag 135
+sql_error alter dnode $hostname2 monDebugFlag 135
 sql_error alter dnode $hostname2 vDebugFlag 135
 sql_error alter dnode $hostname2 mDebugFlag 135
 sql alter dnode $hostname1 debugFlag 135
-sql alter dnode $hostname1 monitorDebugFlag 135
+sql alter dnode $hostname1 monDebugFlag 135
 sql alter dnode $hostname1 vDebugFlag 135
 sql alter dnode $hostname1 tmrDebugFlag 131
 

tests/script/sh/deploy.sh

@@ -120,7 +120,7 @@ echo "cDebugFlag             143"                >> $TAOS_CFG
 echo "jnidebugFlag           143"                >> $TAOS_CFG
 echo "odbcdebugFlag          143"                >> $TAOS_CFG
 echo "httpDebugFlag          143"                >> $TAOS_CFG
-echo "monitorDebugFlag       143"                >> $TAOS_CFG
+echo "monDebugFlag           143"                >> $TAOS_CFG
 echo "mqttDebugFlag          143"                >> $TAOS_CFG
 echo "qdebugFlag             143"                >> $TAOS_CFG
 echo "rpcDebugFlag           143"                >> $TAOS_CFG