failed to drop vnode in dnodeMgmt

src/dnode/src/dnodeMain.c

@@ -226,20 +226,18 @@ static void dnodeCheckDataDirOpenned(char *dir) {
 
 static int32_t dnodeInitStorage() {
   struct stat dirstat;
-  strcpy(tsDirectory, dataDir);
   if (stat(dataDir, &dirstat) < 0) {
     mkdir(dataDir, 0755);
   }
 
-  char fileName[128];
-  sprintf(fileName, "%s/tsdb", tsDirectory);
-  mkdir(fileName, 0755);
-  sprintf(fileName, "%s/data", tsDirectory);
-  mkdir(fileName, 0755);
-  sprintf(tsMgmtDirectory, "%s/mgmt", tsDirectory);
-  sprintf(tsDirectory, "%s/tsdb", dataDir);
+  sprintf(tsMnodeDir, "%s/mnode", dataDir);
+  sprintf(tsVnodeDir, "%s/vnode", dataDir);
+  sprintf(tsDnodeDir, "%s/dnode", dataDir);
+  mkdir(tsMnodeDir, 0755);
+  mkdir(tsVnodeDir, 0755);
+  mkdir(tsDnodeDir, 0755);
 
-  dnodeCheckDataDirOpenned(dataDir);
+  dnodeCheckDataDirOpenned(tsDnodeDir);
 
   dPrint("storage directory is initialized");
   return 0;

src/dnode/src/dnodeMgmt.c

@@ -29,6 +29,7 @@
 
 typedef struct {
   int32_t vgId;     // global vnode group ID
+  int32_t vnode;
   int32_t status;   // status: master, slave, notready, deleting
   int32_t refCount; // reference count
   int64_t version;
@@ -43,7 +44,7 @@ typedef struct {
 
 static int32_t  dnodeOpenVnodes();
 static void     dnodeCleanupVnodes();
-static int32_t  dnodeOpenVnode(int32_t vgId);
+static int32_t  dnodeOpenVnode(int32_t vnode, char *rootDir);
 static void     dnodeCleanupVnode(SVnodeObj *pVnode);
 static int32_t  dnodeCreateVnode(SMDCreateVnodeMsg *cfg);
 static void     dnodeDropVnode(SVnodeObj *pVnode);
@@ -79,7 +80,21 @@ int32_t dnodeInitMgmt() {
   }
   taosTmrReset(dnodeSendStatusMsg, 500, NULL, tsDnodeTmr, &tsStatusTimer);
 
-  return dnodeOpenVnodes();
+  SMDCreateVnodeMsg cfg;
+  cfg.cfg.vgId = 1;
+  cfg.cfg.precision = 0;
+  cfg.vnode = 1;
+  cfg.cfg.maxSessions = 1000;
+  cfg.cfg.daysPerFile = 10;
+
+  dnodeCreateVnode(&cfg);
+  SVnodeObj *pVnode = dnodeGetVnode(cfg.cfg.vgId);
+  dnodeDropVnode(pVnode);
+
+  dnodeOpenVnodes();
+  dnodeCleanupVnodes();
+
+  //return dnodeOpenVnodes();
 }
 
 void dnodeCleanupMgmt() {
@@ -149,28 +164,55 @@ void dnodeReleaseVnode(void *pVnode) {
 }
 
 static int32_t dnodeOpenVnodes() {
-  dPrint("open all vnodes");
+  DIR *dir = opendir(tsVnodeDir);
+  if (dir == NULL) {
+    return TSDB_CODE_NO_WRITE_ACCESS;
+  }
+
+  int32_t numOfVnodes = 0;
+  struct dirent *de = NULL;
+  while ((de = readdir(dir)) != NULL) {
+    if (strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0) continue;
+    if (de->d_type & DT_DIR) {
+      if (strncmp("vnode", de->d_name, 5) != 0) continue;
+      int32_t vnode = atoi(de->d_name + 5);
+      if (vnode == 0) continue;
+
+      char tsdbDir[TSDB_FILENAME_LEN];
+      sprintf(tsdbDir, "%s/%s", tsVnodeDir, de->d_name);
+      int32_t code = dnodeOpenVnode(vnode, tsdbDir);
+      if (code == 0) {
+        numOfVnodes++;
+      }
+    }
+  }
+  closedir(dir);
+
+  dPrint("all vnodes is opened, num:%d", numOfVnodes);
   return TSDB_CODE_SUCCESS;
 }
 
 static void dnodeCleanupVnodes() {
-  dPrint("clean all vnodes");
+  int32_t num = taosGetIntHashSize(tsDnodeVnodesHash);
+  taosCleanUpIntHashWithFp(tsDnodeVnodesHash, dnodeCleanupVnode);
+  dPrint("all vnodes is opened, num:%d", num);
 }
 
-static int32_t dnodeOpenVnode(int32_t vgId) {
-  char rootDir[TSDB_FILENAME_LEN] = {0};
-  sprintf(rootDir, "%s/vnode%d", tsDirectory, vgId);
-
+static int32_t dnodeOpenVnode(int32_t vnode, char *rootDir) {
   void *pTsdb = tsdbOpenRepo(rootDir);
-  if (pTsdb != NULL) {
+  if (pTsdb == NULL) {
+    dError("failed to open vnode:%d in dir:%s, reason:%s", vnode, rootDir, tstrerror(terrno));
     return terrno;
   }
 
+  //STsdbRepoInfo *tsdbInfo = tsdbGetStatus(pTsdb);
+
   SVnodeObj vnodeObj;
-  vnodeObj.vgId     = vgId;
+  vnodeObj.vgId     = vnode; //tsdbInfo->tsdbCfg.vgId;
+  vnodeObj.vnode    = vnode; //tsdbInfo->tsdbCfg.tsdbId;
   vnodeObj.status   = TSDB_VN_STATUS_NOT_READY;
   vnodeObj.refCount = 1;
-  vnodeObj.version  = 0;
+  vnodeObj.version  = version;
   vnodeObj.wworker  = dnodeAllocateWriteWorker();
   vnodeObj.rworker  = dnodeAllocateReadWorker();
   vnodeObj.wal      = NULL;
@@ -181,6 +223,7 @@ static int32_t dnodeOpenVnode(int32_t vgId) {
 
   taosAddIntHash(tsDnodeVnodesHash, vnodeObj.vgId, (char *) (&vnodeObj));
 
+  dTrace("open vnode:%d in %s", vnodeObj.vnode, rootDir);
   return TSDB_CODE_SUCCESS;
 }
 
@@ -209,11 +252,12 @@ static void dnodeCleanupVnode(SVnodeObj *pVnode) {
     pVnode->tsdb = NULL;
   }
 
-  taosDeleteIntHash(tsDnodeVnodesHash, pVnode->vgId);
+  dTrace("cleanup vnode:%d", pVnode->vnode);
 }
 
 static int32_t dnodeCreateVnode(SMDCreateVnodeMsg *pVnodeCfg) {
   STsdbCfg tsdbCfg;
+  tsdbCfg.vgId                = pVnodeCfg->cfg.vgId;
   tsdbCfg.precision           = pVnodeCfg->cfg.precision;
   tsdbCfg.tsdbId              = pVnodeCfg->vnode;
   tsdbCfg.maxTables           = pVnodeCfg->cfg.maxSessions;
@@ -224,15 +268,16 @@ static int32_t dnodeCreateVnode(SMDCreateVnodeMsg *pVnodeCfg) {
   tsdbCfg.maxCacheSize        = -1;
 
   char rootDir[TSDB_FILENAME_LEN] = {0};
-  sprintf(rootDir, "%s/vnode%d", tsDirectory, pVnodeCfg->cfg.vgId);
+  sprintf(rootDir, "%s/vnode%d", tsVnodeDir, pVnodeCfg->cfg.vgId);
 
   void *pTsdb = tsdbCreateRepo(rootDir, &tsdbCfg, NULL);
-  if (pTsdb != NULL) {
+  if (pTsdb == NULL) {
     return terrno;
   }
 
   SVnodeObj vnodeObj;
   vnodeObj.vgId     = pVnodeCfg->cfg.vgId;
+  vnodeObj.vnode    = pVnodeCfg->vnode;
   vnodeObj.status   = TSDB_VN_STATUS_NOT_READY;
   vnodeObj.refCount = 1;
   vnodeObj.version  = 0;
@@ -263,6 +308,7 @@ static void dnodeDropVnode(SVnodeObj *pVnode) {
   }
 
   dnodeCleanupVnode(pVnode);
+  taosDeleteIntHash(tsDnodeVnodesHash, pVnode->vgId);
 }
 
 static void dnodeProcessCreateVnodeMsg(SRpcMsg *rpcMsg) {
@@ -274,14 +320,13 @@ static void dnodeProcessCreateVnodeMsg(SRpcMsg *rpcMsg) {
   pCreate->cfg.maxSessions = htonl(pCreate->cfg.maxSessions);
   pCreate->cfg.daysPerFile = htonl(pCreate->cfg.daysPerFile);
 
-//  SVnodeObj *pVnodeObj = (SVnodeObj *) taosGetIntHashData(tsDnodeVnodesHash, pCreate->cfg.vgId);
-//  if (pVnodeObj != NULL) {
-//    rpcRsp.code = TSDB_CODE_SUCCESS;
-//  } else {
-//    rpcRsp.code = dnodeCreateVnode(pCreate);
-//  }
+  SVnodeObj *pVnodeObj = (SVnodeObj *) taosGetIntHashData(tsDnodeVnodesHash, pCreate->cfg.vgId);
+  if (pVnodeObj != NULL) {
+    rpcRsp.code = TSDB_CODE_SUCCESS;
+  } else {
+    rpcRsp.code = dnodeCreateVnode(pCreate);
+  }
   rpcRsp.code = TSDB_CODE_SUCCESS;
-
   rpcSendResponse(&rpcRsp);
 }
 
@@ -339,7 +384,6 @@ static void dnodeProcessConfigDnodeMsg(SRpcMsg *pMsg) {
 //  dnodeSendRspToMnode(pConn, msgType + 1, code, NULL, 0);
 }
 
-
 static void dnodeSendStatusMsg(void *handle, void *tmrId) {
   taosTmrReset(dnodeSendStatusMsg, tsStatusInterval * 1000, NULL, tsDnodeTmr, &tsStatusTimer);
   if (tsStatusTimer == NULL) {

src/dnode/src/dnodeRead.c

@@ -60,11 +60,13 @@ int32_t dnodeInitRead() {
   maxThreads = tsNumOfCores*tsNumOfThreadsPerCore;
   if (maxThreads <= minThreads*2) maxThreads = 2*minThreads;
 
+  dPrint("dnode read is opened");
   return 0;
 }
 
 void dnodeCleanupRead() {
   taosCloseQset(readQset);
+  dPrint("dnode read is closed");
 }
 
 void dnodeRead(SRpcMsg *pMsg) {

src/dnode/src/dnodeWrite.c

@@ -76,11 +76,13 @@ int32_t dnodeInitWrite() {
     wWorkerPool.writeWorker[i].workerId = i;
   }
 
+  dPrint("dnode write is opened");
   return 0;
 }
 
 void dnodeCleanupWrite() {
   free(wWorkerPool.writeWorker);
+  dPrint("dnode write is closed");
 }
 
 void dnodeWrite(SRpcMsg *pMsg) {
@@ -145,11 +147,16 @@ void dnodeWrite(SRpcMsg *pMsg) {
 
 void *dnodeAllocateWriteWorker() {
   SWriteWorker *pWorker = wWorkerPool.writeWorker + wWorkerPool.nextId;
+  taos_queue *queue = taosOpenQueue(sizeof(SWriteMsg));
+  if (queue != NULL) return queue;
 
   if (pWorker->qset == NULL) {
     pWorker->qset = taosOpenQset();
     if (pWorker->qset == NULL) return NULL;
 
+    taosAddIntoQset(pWorker->qset, queue);
+    wWorkerPool.nextId = (wWorkerPool.nextId + 1) % wWorkerPool.max;
+
     pthread_attr_t thAttr;
     pthread_attr_init(&thAttr);
     pthread_attr_setdetachstate(&thAttr, PTHREAD_CREATE_JOINABLE);
@@ -158,14 +165,11 @@ void *dnodeAllocateWriteWorker() {
       dError("failed to create thread to process read queue, reason:%s", strerror(errno));
       taosCloseQset(pWorker->qset);
     }
-  }
-
-  taos_queue *queue = taosOpenQueue(sizeof(SWriteMsg));
-  if (queue) {
+  } else {
     taosAddIntoQset(pWorker->qset, queue);
     wWorkerPool.nextId = (wWorkerPool.nextId + 1) % wWorkerPool.max;
   }
- 
+
   return queue;
 }
 

src/inc/mnode.h

@@ -263,7 +263,7 @@ void    mgmtStopSystem();
 
 extern char  version[];
 extern void *tsMgmtTmr;
-extern char  tsMgmtDirectory[];
+extern char  tsMnodeDir[];
 
 #ifdef __cplusplus
 }

src/mnode/src/mgmtChildTable.c

@@ -198,7 +198,7 @@ int32_t mgmtInitChildTables() {
   tsChildTableUpdateSize = tObj.updateEnd - (int8_t *)&tObj;
 
   tsChildTableSdb = sdbOpenTable(tsMaxTables, tsChildTableUpdateSize,
-                                 "ctables", SDB_KEYTYPE_STRING, tsMgmtDirectory, mgmtChildTableAction);
+                                 "ctables", SDB_KEYTYPE_STRING, tsMnodeDir, mgmtChildTableAction);
   if (tsChildTableSdb == NULL) {
     mError("failed to init child table data");
     return -1;

src/mnode/src/mgmtDb.c

@@ -81,7 +81,7 @@ int32_t mgmtInitDbs() {
   SDbObj tObj;
   tsDbUpdateSize = tObj.updateEnd - (char *)&tObj;
 
-  tsDbSdb = sdbOpenTable(tsMaxDbs, tsDbUpdateSize, "dbs", SDB_KEYTYPE_STRING, tsMgmtDirectory, mgmtDbAction);
+  tsDbSdb = sdbOpenTable(tsMaxDbs, tsDbUpdateSize, "dbs", SDB_KEYTYPE_STRING, tsMnodeDir, mgmtDbAction);
   if (tsDbSdb == NULL) {
     mError("failed to init db data");
     return -1;

src/mnode/src/mgmtMain.c

@@ -31,7 +31,6 @@
 #include "mgmtShell.h"
 
 static int32_t mgmtCheckMgmtRunning();
-char tsMgmtDirectory[128] = {0};
 void *tsMgmtTmr = NULL;
 
 int32_t mgmtInitSystem() {
@@ -41,7 +40,7 @@ int32_t mgmtInitSystem() {
   }
 
   struct stat dirstat;
-  bool fileExist  = (stat(tsMgmtDirectory, &dirstat) == 0);
+  bool fileExist  = (stat(tsMnodeDir, &dirstat) == 0);
   bool asMaster = (strcmp(tsMasterIp, tsPrivateIp) == 0);
 
   if (asMaster || fileExist) {
@@ -57,8 +56,8 @@ int32_t mgmtStartSystem() {
   mPrint("starting to initialize TDengine mgmt ...");
 
   struct stat dirstat;
-  if (stat(tsMgmtDirectory, &dirstat) < 0) {
-    mkdir(tsMgmtDirectory, 0755);
+  if (stat(tsMnodeDir, &dirstat) < 0) {
+    mkdir(tsMnodeDir, 0755);
   }
 
   if (mgmtCheckMgmtRunning() != 0) {
@@ -110,7 +109,7 @@ int32_t mgmtStartSystem() {
     return -1;
   }
 
-  if (sdbInitPeers(tsMgmtDirectory) < 0) {
+  if (sdbInitPeers(tsMnodeDir) < 0) {
     mError("failed to init peers");
     return -1;
   }
@@ -132,7 +131,7 @@ void mgmtStopSystem() {
   }
 
   mgmtCleanUpSystem();
-  remove(tsMgmtDirectory);
+  remove(tsMnodeDir);
 }
 
 void mgmtCleanUpSystem() {

src/mnode/src/mgmtNormalTable.c

@@ -224,7 +224,7 @@ int32_t mgmtInitNormalTables() {
   tsNormalTableUpdateSize = tObj.updateEnd - (int8_t *)&tObj;
 
   tsNormalTableSdb = sdbOpenTable(tsMaxTables, sizeof(SNormalTableObj) + sizeof(SSchema) * TSDB_MAX_COLUMNS,
-                                 "ntables", SDB_KEYTYPE_STRING, tsMgmtDirectory, mgmtNormalTableAction);
+                                 "ntables", SDB_KEYTYPE_STRING, tsMnodeDir, mgmtNormalTableAction);
   if (tsNormalTableSdb == NULL) {
     mError("failed to init ntables data");
     return -1;

src/mnode/src/mgmtSuperTable.c

@@ -165,7 +165,7 @@ int32_t mgmtInitSuperTables() {
   mgmtSuperTableActionInit();
 
   tsSuperTableSdb = sdbOpenTable(tsMaxTables, tsSuperTableUpdateSize + sizeof(SSchema) * TSDB_MAX_COLUMNS,
-                          "stables", SDB_KEYTYPE_STRING, tsMgmtDirectory, mgmtSuperTableAction);
+                          "stables", SDB_KEYTYPE_STRING, tsMnodeDir, mgmtSuperTableAction);
   if (tsSuperTableSdb == NULL) {
     mError("failed to init stables data");
     return -1;

src/mnode/src/mgmtUser.c

@@ -59,7 +59,7 @@ int32_t mgmtInitUsers() {
   SUserObj tObj;
   tsUserUpdateSize = tObj.updateEnd - (int8_t *)&tObj;
 
-  tsUserSdb = sdbOpenTable(tsMaxUsers, tsUserUpdateSize, "users", SDB_KEYTYPE_STRING, tsMgmtDirectory, mgmtUserAction);
+  tsUserSdb = sdbOpenTable(tsMaxUsers, tsUserUpdateSize, "users", SDB_KEYTYPE_STRING, tsMnodeDir, mgmtUserAction);
   if (tsUserSdb == NULL) {
     mError("failed to init user data");
     return -1;

src/mnode/src/mgmtVgroup.c

@@ -73,7 +73,7 @@ int32_t mgmtInitVgroups() {
 
   mgmtVgroupActionInit();
 
-  tsVgroupSdb = sdbOpenTable(tsMaxVGroups, tsVgUpdateSize, "vgroups", SDB_KEYTYPE_AUTO, tsMgmtDirectory, mgmtVgroupAction);
+  tsVgroupSdb = sdbOpenTable(tsMaxVGroups, tsVgUpdateSize, "vgroups", SDB_KEYTYPE_AUTO, tsMnodeDir, mgmtVgroupAction);
   if (tsVgroupSdb == NULL) {
     mError("failed to init vgroups data");
     return -1;

src/os/darwin/src/tdarwin.c

@@ -34,7 +34,7 @@
 #include "tutil.h"
 
 char configDir[TSDB_FILENAME_LEN] = "/etc/taos";
-char tsDirectory[TSDB_FILENAME_LEN] = "/var/lib/taos";
+char tsVnodeDir[TSDB_FILENAME_LEN] = "/var/lib/taos";
 char dataDir[TSDB_FILENAME_LEN] = "/var/lib/taos";
 char logDir[TSDB_FILENAME_LEN] = "~/TDengineLog";
 char scriptDir[TSDB_FILENAME_LEN] = "/etc/taos";

src/os/linux/src/tlinux.c

@@ -35,7 +35,9 @@
 #include "ttimer.h"
 
 char configDir[TSDB_FILENAME_LEN] = "/etc/taos";
-char tsDirectory[TSDB_FILENAME_LEN] = "/var/lib/taos";
+char tsVnodeDir[TSDB_FILENAME_LEN] = {0};
+char tsDnodeDir[TSDB_FILENAME_LEN] = {0};
+char tsMnodeDir[TSDB_FILENAME_LEN] = {0};
 char dataDir[TSDB_FILENAME_LEN] = "/var/lib/taos";
 char logDir[TSDB_FILENAME_LEN] = "/var/log/taos";
 char scriptDir[TSDB_FILENAME_LEN] = "/etc/taos";

src/os/windows/src/twindows.c

@@ -33,7 +33,7 @@
 #include <Winsock2.h>
 
 char configDir[TSDB_FILENAME_LEN] = "C:/TDengine/cfg";
-char tsDirectory[TSDB_FILENAME_LEN] = "C:/TDengine/data";
+char tsVnodeDir[TSDB_FILENAME_LEN] = "C:/TDengine/data";
 char logDir[TSDB_FILENAME_LEN] = "C:/TDengine/log";
 char dataDir[TSDB_FILENAME_LEN] = "C:/TDengine/data";
 char scriptDir[TSDB_FILENAME_LEN] = "C:/TDengine/script";

src/util/inc/ihash.h

@@ -34,6 +34,12 @@ char *taosAddIntHash(void *handle, uint64_t key, char *pData);
 
 int32_t taosHashInt(void *handle, uint64_t key);
 
+void taosCleanUpIntHashWithFp(void *handle, void (*fp)(char *));
+
+char *taosVisitIntHashWithFp(void *handle, int (*fp)(char *));
+
+int32_t taosGetIntHashSize(void *handle);
+
 #ifdef __cplusplus
 }
 #endif

src/util/inc/tglobalcfg.h

@@ -50,7 +50,9 @@ extern int tscEmbedded;
 extern int64_t tsMsPerDay[2];
 
 extern char configDir[];
-extern char tsDirectory[];
+extern char tsVnodeDir[];
+extern char tsDnodeDir[];
+extern char tsMnodeDir[];
 extern char dataDir[];
 extern char logDir[];
 extern char scriptDir[];
@@ -263,9 +265,6 @@ SGlobalConfig *tsGetConfigOption(const char *option);
 
 #define NEEDTO_COMPRESSS_MSG(size) (tsCompressMsgSize != -1 && (size) > tsCompressMsgSize)
 
-extern char          tsMgmtDirectory[];
-
-
 #ifdef __cplusplus
 }
 #endif

src/util/src/ihash.c

@@ -26,7 +26,7 @@ typedef struct {
   IHashNode **hashList;
   int32_t     maxSessions;
   int32_t     dataSize;
-  int32_t (*hashFp)(void *, uint64_t key);
+  int32_t   (*hashFp)(void *, uint64_t key);
   pthread_mutex_t mutex;
 } IHashObj;
 
@@ -186,3 +186,93 @@ void taosCleanUpIntHash(void *handle) {
   memset(pObj, 0, sizeof(IHashObj));
   free(pObj);
 }
+
+
+void taosCleanUpIntHashWithFp(void *handle, void (*fp)(char *)) {
+  IHashObj * pObj;
+  IHashNode *pNode, *pNext;
+
+  pObj = (IHashObj *)handle;
+  if (pObj == NULL || pObj->maxSessions <= 0) return;
+
+  pthread_mutex_lock(&pObj->mutex);
+
+  if (pObj->hashList) {
+    for (int i = 0; i < pObj->maxSessions; ++i) {
+      pNode = pObj->hashList[i];
+      while (pNode) {
+        pNext = pNode->next;
+        if (fp != NULL) fp(pNode->data);
+        free(pNode);
+        pNode = pNext;
+      }
+    }
+
+    free(pObj->hashList);
+  }
+
+  pthread_mutex_unlock(&pObj->mutex);
+
+  pthread_mutex_destroy(&pObj->mutex);
+
+  memset(pObj, 0, sizeof(IHashObj));
+  free(pObj);
+}
+
+char *taosVisitIntHashWithFp(void *handle, int (*fp)(char *)) {
+  IHashObj * pObj;
+  IHashNode *pNode, *pNext;
+  char *     pData = NULL;
+
+  pObj = (IHashObj *)handle;
+  if (pObj == NULL || pObj->maxSessions <= 0) return NULL;
+
+  pthread_mutex_lock(&pObj->mutex);
+
+  if (pObj->hashList) {
+    for (int i = 0; i < pObj->maxSessions; ++i) {
+      pNode = pObj->hashList[i];
+      while (pNode) {
+        pNext = pNode->next;
+        int flag = fp(pNode->data);
+        if (flag) {
+          pData = pNode->data;
+          goto VisitEnd;
+        }
+
+        pNode = pNext;
+      }
+    }
+  }
+
+VisitEnd:
+
+  pthread_mutex_unlock(&pObj->mutex);
+  return pData;
+}
+
+int32_t taosGetIntHashSize(void *handle) {
+  IHashObj * pObj;
+  IHashNode *pNode, *pNext;
+  char *     pData = NULL;
+  int32_t    num = 0;
+
+  pObj = (IHashObj *)handle;
+  if (pObj == NULL || pObj->maxSessions <= 0) return NULL;
+
+  pthread_mutex_lock(&pObj->mutex);
+
+  if (pObj->hashList) {
+    for (int i = 0; i < pObj->maxSessions; ++i) {
+      pNode = pObj->hashList[i];
+      while (pNode) {
+        pNext = pNode->next;
+        num++;
+        pNode = pNext;
+      }
+    }
+  }
+
+  pthread_mutex_unlock(&pObj->mutex);
+  return num;
+}
\ No newline at end of file

src/util/src/shash.c

@@ -33,7 +33,7 @@ typedef struct {
   SHashNode **hashList;
   uint32_t    maxSessions;
   uint32_t    dataSize;
-  uint32_t (*hashFp)(void *, char *string);
+  uint32_t  (*hashFp)(void *, char *string);
   pthread_mutex_t mutex;
 } SHashObj;
 

src/vnode/tsdb/inc/tsdb.h

@@ -58,6 +58,7 @@ enum { TSDB_PRECISION_MILLI, TSDB_PRECISION_MICRO, TSDB_PRECISION_NANO };
 // the TSDB repository configuration
 typedef struct {
   int8_t  precision;
+  int32_t vgId;
   int32_t tsdbId;
   int32_t maxTables;            // maximum number of tables this repository can have
   int32_t daysPerFile;          // day per file sharding policy