Merge pull request #14272 from taosdata/feature/3.0_mhli

refactor(sync): optimized only one replica

include/libs/sync/syncTools.h

@@ -524,7 +524,7 @@ void syncReconfigFinishLog2(char* s, const SyncReconfigFinish* pMsg);
 int32_t syncNodeOnPingCb(SSyncNode* ths, SyncPing* pMsg);
 int32_t syncNodeOnPingReplyCb(SSyncNode* ths, SyncPingReply* pMsg);
 int32_t syncNodeOnTimeoutCb(SSyncNode* ths, SyncTimeout* pMsg);
-int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg);
+int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg, SyncIndex* pRetIndex);
 int32_t syncNodeOnRequestVoteCb(SSyncNode* ths, SyncRequestVote* pMsg);
 int32_t syncNodeOnRequestVoteReplyCb(SSyncNode* ths, SyncRequestVoteReply* pMsg);
 int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg);
@@ -541,7 +541,7 @@ int32_t syncNodeOnSnapshotRspCb(SSyncNode* ths, SyncSnapshotRsp* pMsg);
 // -----------------------------------------
 typedef int32_t (*FpOnPingCb)(SSyncNode* ths, SyncPing* pMsg);
 typedef int32_t (*FpOnPingReplyCb)(SSyncNode* ths, SyncPingReply* pMsg);
-typedef int32_t (*FpOnClientRequestCb)(SSyncNode* ths, SyncClientRequest* pMsg);
+typedef int32_t (*FpOnClientRequestCb)(SSyncNode* ths, SyncClientRequest* pMsg, SyncIndex* pRetIndex);
 typedef int32_t (*FpOnRequestVoteCb)(SSyncNode* ths, SyncRequestVote* pMsg);
 typedef int32_t (*FpOnRequestVoteReplyCb)(SSyncNode* ths, SyncRequestVoteReply* pMsg);
 typedef int32_t (*FpOnAppendEntriesCb)(SSyncNode* ths, SyncAppendEntries* pMsg);

source/dnode/mnode/impl/src/mndMain.c

@@ -442,7 +442,7 @@ int32_t mndProcessSyncMsg(SRpcMsg *pMsg) {
       syncPingReplyDestroy(pSyncMsg);
     } else if (pMsg->msgType == TDMT_SYNC_CLIENT_REQUEST) {
       SyncClientRequest *pSyncMsg = syncClientRequestFromRpcMsg2(pMsg);
-      code = syncNodeOnClientRequestCb(pSyncNode, pSyncMsg);
+      code = syncNodeOnClientRequestCb(pSyncNode, pSyncMsg, NULL);
       syncClientRequestDestroy(pSyncMsg);
     } else if (pMsg->msgType == TDMT_SYNC_REQUEST_VOTE) {
       SyncRequestVote *pSyncMsg = syncRequestVoteFromRpcMsg2(pMsg);
@@ -491,7 +491,7 @@ int32_t mndProcessSyncMsg(SRpcMsg *pMsg) {
       syncPingReplyDestroy(pSyncMsg);
     } else if (pMsg->msgType == TDMT_SYNC_CLIENT_REQUEST) {
       SyncClientRequest *pSyncMsg = syncClientRequestFromRpcMsg2(pMsg);
-      code = syncNodeOnClientRequestCb(pSyncNode, pSyncMsg);
+      code = syncNodeOnClientRequestCb(pSyncNode, pSyncMsg, NULL);
       syncClientRequestDestroy(pSyncMsg);
     } else if (pMsg->msgType == TDMT_SYNC_REQUEST_VOTE) {
       SyncRequestVote *pSyncMsg = syncRequestVoteFromRpcMsg2(pMsg);

source/dnode/vnode/src/vnd/vnodeSync.c

@@ -137,6 +137,25 @@ void vnodeProposeMsg(SQueueInfo *pInfo, STaosQall *qall, int32_t numOfMsgs) {
         vError("vgId:%d, failed to pre-process msg:%p since %s", vgId, pMsg, terrstr());
       } else {
         code = syncPropose(pVnode->sync, pMsg, vnodeIsMsgWeak(pMsg->msgType));
+        if (code == 1) {
+          do {
+            static int32_t cnt = 0;
+            if (cnt++ % 1000 == 1) {
+              vInfo("vgId:%d, msg:%p apply right now, apply index:%ld, msgtype:%s,%d", vgId, pMsg,
+                    pMsg->info.conn.applyIndex, TMSG_INFO(pMsg->msgType), pMsg->msgType);
+            }
+          } while (0);
+
+          SRpcMsg rsp = {.code = pMsg->code, .info = pMsg->info};
+          if (vnodeProcessWriteReq(pVnode, pMsg, pMsg->info.conn.applyIndex, &rsp) < 0) {
+            rsp.code = terrno;
+            vInfo("vgId:%d, msg:%p failed to apply right now since %s", vgId, pMsg, terrstr());
+          }
+
+          if (rsp.info.handle != NULL) {
+            tmsgSendRsp(&rsp);
+          }
+        }
       }
     }
 
@@ -163,11 +182,13 @@ void vnodeProposeMsg(SQueueInfo *pInfo, STaosQall *qall, int32_t numOfMsgs) {
       SRpcMsg rsp = {.code = TSDB_CODE_RPC_REDIRECT, .info = pMsg->info};
       tmsgSendRedirectRsp(&rsp, &newEpSet);
     } else {
+      if (code != 1) {
         if (terrno != 0) code = terrno;
         vError("vgId:%d, msg:%p failed to propose since %s, code:0x%x", vgId, pMsg, tstrerror(code), code);
         SRpcMsg rsp = {.code = code, .info = pMsg->info};
         tmsgSendRsp(&rsp);
       }
+    }
 
     vGTrace("vgId:%d, msg:%p is freed, code:0x%x", vgId, pMsg, code);
     rpcFreeCont(pMsg->pCont);
@@ -260,7 +281,7 @@ int32_t vnodeProcessSyncReq(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp) {
       SyncClientRequest *pSyncMsg = syncClientRequestFromRpcMsg2(pRpcMsg);
       assert(pSyncMsg != NULL);
 
-      ret = syncNodeOnClientRequestCb(pSyncNode, pSyncMsg);
+      ret = syncNodeOnClientRequestCb(pSyncNode, pSyncMsg, NULL);
       syncClientRequestDestroy(pSyncMsg);
 
     } else if (pRpcMsg->msgType == TDMT_SYNC_REQUEST_VOTE) {
@@ -359,16 +380,10 @@ static void vnodeSyncCommitMsg(SSyncFSM *pFsm, const SRpcMsg *pMsg, SFsmCbMeta c
   SyncIndex beginIndex = SYNC_INDEX_INVALID;
   char      logBuf[256] = {0};
 
-  if (pFsm->FpGetSnapshotInfo != NULL) {
+  snprintf(logBuf, sizeof(logBuf),
-    (*pFsm->FpGetSnapshotInfo)(pFsm, &snapshot);
-    beginIndex = snapshot.lastApplyIndex;
-  }
-
-  if (cbMeta.index > beginIndex) {
-    snprintf(
-        logBuf, sizeof(logBuf),
            "==callback== ==CommitCb== execute, pFsm:%p, index:%ld, isWeak:%d, code:%d, state:%d %s, beginIndex :%ld\n",
-        pFsm, cbMeta.index, cbMeta.isWeak, cbMeta.code, cbMeta.state, syncUtilState2String(cbMeta.state), beginIndex);
+           pFsm, cbMeta.index, cbMeta.isWeak, cbMeta.code, cbMeta.state, syncUtilState2String(cbMeta.state),
+           beginIndex);
   syncRpcMsgLog2(logBuf, (SRpcMsg *)pMsg);
 
   SRpcMsg rpcMsg = {.msgType = pMsg->msgType, .contLen = pMsg->contLen};
@@ -377,16 +392,6 @@ static void vnodeSyncCommitMsg(SSyncFSM *pFsm, const SRpcMsg *pMsg, SFsmCbMeta c
   syncGetAndDelRespRpc(pVnode->sync, cbMeta.seqNum, &rpcMsg.info);
   rpcMsg.info.conn.applyIndex = cbMeta.index;
   tmsgPutToQueue(&pVnode->msgCb, APPLY_QUEUE, &rpcMsg);
-
-  } else {
-    char logBuf[256] = {0};
-    snprintf(logBuf, sizeof(logBuf),
-             "==callback== ==CommitCb== do not execute, pFsm:%p, index:%ld, isWeak:%d, code:%d, state:%d %s, "
-             "beginIndex :%ld\n",
-             pFsm, cbMeta.index, cbMeta.isWeak, cbMeta.code, cbMeta.state, syncUtilState2String(cbMeta.state),
-             beginIndex);
-    syncRpcMsgLog2(logBuf, (SRpcMsg *)pMsg);
-  }
 }
 
 static void vnodeSyncPreCommitMsg(SSyncFSM *pFsm, const SRpcMsg *pMsg, SFsmCbMeta cbMeta) {

source/libs/sync/inc/syncIO.h

@@ -50,7 +50,7 @@ typedef struct SSyncIO {
   void *pSyncNode;
   int32_t (*FpOnSyncPing)(SSyncNode *pSyncNode, SyncPing *pMsg);
   int32_t (*FpOnSyncPingReply)(SSyncNode *pSyncNode, SyncPingReply *pMsg);
-  int32_t (*FpOnSyncClientRequest)(SSyncNode *pSyncNode, SyncClientRequest *pMsg);
+  int32_t (*FpOnSyncClientRequest)(SSyncNode *pSyncNode, SyncClientRequest *pMsg, SyncIndex *pRetIndex);
   int32_t (*FpOnSyncRequestVote)(SSyncNode *pSyncNode, SyncRequestVote *pMsg);
   int32_t (*FpOnSyncRequestVoteReply)(SSyncNode *pSyncNode, SyncRequestVoteReply *pMsg);
   int32_t (*FpOnSyncAppendEntries)(SSyncNode *pSyncNode, SyncAppendEntries *pMsg);

source/libs/sync/inc/syncInt.h

@@ -169,7 +169,7 @@ SSyncNode* syncNodeOpen(const SSyncInfo* pSyncInfo);
 void       syncNodeStart(SSyncNode* pSyncNode);
 void       syncNodeStartStandBy(SSyncNode* pSyncNode);
 void       syncNodeClose(SSyncNode* pSyncNode);
-int32_t    syncNodePropose(SSyncNode* pSyncNode, const SRpcMsg* pMsg, bool isWeak);
+int32_t    syncNodePropose(SSyncNode* pSyncNode, SRpcMsg* pMsg, bool isWeak);
 
 // option
 bool      syncNodeSnapshotEnable(SSyncNode* pSyncNode);
@@ -233,6 +233,7 @@ SyncIndex syncNodeGetPreIndex(SSyncNode* pSyncNode, SyncIndex index);
 SyncTerm  syncNodeGetPreTerm(SSyncNode* pSyncNode, SyncIndex index);
 int32_t   syncNodeGetPreIndexTerm(SSyncNode* pSyncNode, SyncIndex index, SyncIndex* pPreIndex, SyncTerm* pPreTerm);
 
+bool    syncNodeIsOptimizedOneReplica(SSyncNode* ths, SRpcMsg* pMsg);
 int32_t syncNodeCommit(SSyncNode* ths, SyncIndex beginIndex, SyncIndex endIndex, uint64_t flag);
 
 int32_t syncNodeUpdateNewConfigIndex(SSyncNode* ths, SSyncCfg* pNewCfg);

source/libs/sync/inc/syncRaftCfg.h

@@ -49,14 +49,14 @@ int32_t   raftCfgClose(SRaftCfg *pRaftCfg);
 int32_t   raftCfgPersist(SRaftCfg *pRaftCfg);
 int32_t   raftCfgAddConfigIndex(SRaftCfg *pRaftCfg, SyncIndex configIndex);
 
-cJSON  *syncCfg2Json(SSyncCfg *pSyncCfg);
+cJSON * syncCfg2Json(SSyncCfg *pSyncCfg);
-char   *syncCfg2Str(SSyncCfg *pSyncCfg);
+char *  syncCfg2Str(SSyncCfg *pSyncCfg);
-char   *syncCfg2SimpleStr(SSyncCfg *pSyncCfg);
+char *  syncCfg2SimpleStr(SSyncCfg *pSyncCfg);
 int32_t syncCfgFromJson(const cJSON *pRoot, SSyncCfg *pSyncCfg);
 int32_t syncCfgFromStr(const char *s, SSyncCfg *pSyncCfg);
 
-cJSON  *raftCfg2Json(SRaftCfg *pRaftCfg);
+cJSON * raftCfg2Json(SRaftCfg *pRaftCfg);
-char   *raftCfg2Str(SRaftCfg *pRaftCfg);
+char *  raftCfg2Str(SRaftCfg *pRaftCfg);
 int32_t raftCfgFromJson(const cJSON *pRoot, SRaftCfg *pRaftCfg);
 int32_t raftCfgFromStr(const char *s, SRaftCfg *pRaftCfg);
 

source/libs/sync/inc/syncRaftLog.h

@@ -31,7 +31,10 @@ extern "C" {
 typedef struct SSyncLogStoreData {
   SSyncNode* pSyncNode;
   SWal*      pWal;
+
+  TdThreadMutex   mutex;
   SWalReadHandle* pWalHandle;
+
   // SyncIndex       beginIndex;  // valid begin index, default 0, may be set beginIndex > 0
 } SSyncLogStoreData;
 

source/libs/sync/src/syncCommit.c

@@ -102,6 +102,7 @@ void syncMaybeAdvanceCommitIndex(SSyncNode* pSyncNode) {
     }
   }
 
+  // maybe execute fsm
   if (newCommitIndex > pSyncNode->commitIndex) {
     SyncIndex beginIndex = pSyncNode->commitIndex + 1;
     SyncIndex endIndex = newCommitIndex;

source/libs/sync/src/syncIO.c

@@ -30,7 +30,7 @@ static int32_t  syncIODestroy(SSyncIO *io);
 static int32_t  syncIOStartInternal(SSyncIO *io);
 static int32_t  syncIOStopInternal(SSyncIO *io);
 
-static void   *syncIOConsumerFunc(void *param);
+static void *  syncIOConsumerFunc(void *param);
 static void    syncIOProcessRequest(void *pParent, SRpcMsg *pMsg, SEpSet *pEpSet);
 static void    syncIOProcessReply(void *pParent, SRpcMsg *pMsg, SEpSet *pEpSet);
 static int32_t syncIOAuth(void *parent, char *meterId, char *spi, char *encrypt, char *secret, char *ckey);
@@ -242,9 +242,9 @@ static int32_t syncIOStopInternal(SSyncIO *io) {
 }
 
 static void *syncIOConsumerFunc(void *param) {
-  SSyncIO   *io = param;
+  SSyncIO *  io = param;
   STaosQall *qall;
-  SRpcMsg   *pRpcMsg, rpcMsg;
+  SRpcMsg *  pRpcMsg, rpcMsg;
   qall = taosAllocateQall();
 
   while (1) {
@@ -281,7 +281,7 @@ static void *syncIOConsumerFunc(void *param) {
         if (io->FpOnSyncClientRequest != NULL) {
           SyncClientRequest *pSyncMsg = syncClientRequestFromRpcMsg2(pRpcMsg);
           ASSERT(pSyncMsg != NULL);
-          io->FpOnSyncClientRequest(io->pSyncNode, pSyncMsg);
+          io->FpOnSyncClientRequest(io->pSyncNode, pSyncMsg, NULL);
           syncClientRequestDestroy(pSyncMsg);
         }
 

source/libs/sync/src/syncIndexMgr.c

@@ -126,7 +126,7 @@ cJSON *syncIndexMgr2Json(SSyncIndexMgr *pSyncIndexMgr) {
 
 char *syncIndexMgr2Str(SSyncIndexMgr *pSyncIndexMgr) {
   cJSON *pJson = syncIndexMgr2Json(pSyncIndexMgr);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }

source/libs/sync/src/syncMain.c

@@ -50,7 +50,7 @@ static int32_t syncNodeAppendNoop(SSyncNode* ths);
 // process message ----
 int32_t syncNodeOnPingCb(SSyncNode* ths, SyncPing* pMsg);
 int32_t syncNodeOnPingReplyCb(SSyncNode* ths, SyncPingReply* pMsg);
-int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg);
+int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg, SyncIndex* pRetIndex);
 
 // life cycle
 static void syncFreeNode(void* param);
@@ -627,7 +627,7 @@ int32_t syncPropose(int64_t rid, SRpcMsg* pMsg, bool isWeak) {
   return ret;
 }
 
-int32_t syncNodePropose(SSyncNode* pSyncNode, const SRpcMsg* pMsg, bool isWeak) {
+int32_t syncNodePropose(SSyncNode* pSyncNode, SRpcMsg* pMsg, bool isWeak) {
   int32_t ret = 0;
 
   char eventLog[128];
@@ -664,13 +664,34 @@ int32_t syncNodePropose(SSyncNode* pSyncNode, const SRpcMsg* pMsg, bool isWeak)
     SRpcMsg            rpcMsg;
     syncClientRequest2RpcMsg(pSyncMsg, &rpcMsg);
 
+    // optimized one replica
+    if (syncNodeIsOptimizedOneReplica(pSyncNode, pMsg)) {
+      SyncIndex retIndex;
+      int32_t   code = syncNodeOnClientRequestCb(pSyncNode, pSyncMsg, &retIndex);
+      if (code == 0) {
+        pMsg->info.conn.applyIndex = retIndex;
+        rpcFreeCont(rpcMsg.pCont);
+        syncRespMgrDel(pSyncNode->pSyncRespMgr, seqNum);
+        ret = 1;
+        sDebug("vgId:%d optimized index:%ld success, msgtype:%s,%d", pSyncNode->vgId, retIndex,
+               TMSG_INFO(pMsg->msgType), pMsg->msgType);
+      } else {
+        ret = -1;
+        terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
+        sError("vgId:%d optimized index:%ld error, msgtype:%s,%d", pSyncNode->vgId, retIndex, TMSG_INFO(pMsg->msgType),
+               pMsg->msgType);
+      }
+
+    } else {
       if (pSyncNode->FpEqMsg != NULL && (*pSyncNode->FpEqMsg)(pSyncNode->msgcb, &rpcMsg) == 0) {
         ret = 0;
       } else {
         ret = -1;
         terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
-      sError("syncPropose pSyncNode->FpEqMsg is NULL");
+        sError("enqueue msg error, FpEqMsg is NULL");
       }
+    }
+
     syncClientRequestDestroy(pSyncMsg);
     goto _END;
 
@@ -2377,7 +2398,7 @@ int32_t syncNodeOnPingReplyCb(SSyncNode* ths, SyncPingReply* pMsg) {
 //     /\ UNCHANGED <<messages, serverVars, candidateVars,
 //                    leaderVars, commitIndex>>
 //
-int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg) {
+int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg, SyncIndex* pRetIndex) {
   int32_t ret = 0;
   syncClientRequestLog2("==syncNodeOnClientRequestCb==", pMsg);
 
@@ -2436,6 +2457,14 @@ int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg) {
     rpcFreeCont(rpcMsg.pCont);
   }
 
+  if (pRetIndex != NULL) {
+    if (ret == 0 && pEntry != NULL) {
+      *pRetIndex = pEntry->index;
+    } else {
+      *pRetIndex = SYNC_INDEX_INVALID;
+    }
+  }
+
   syncEntryDestory(pEntry);
   return ret;
 }
@@ -2600,6 +2629,10 @@ static int32_t syncNodeProposeConfigChangeFinish(SSyncNode* ths, SyncReconfigFin
   return 0;
 }
 
+bool syncNodeIsOptimizedOneReplica(SSyncNode* ths, SRpcMsg* pMsg) {
+  return (ths->replicaNum == 1 && syncUtilUserCommit(pMsg->msgType) && ths->vgId != 1);
+}
+
 int32_t syncNodeCommit(SSyncNode* ths, SyncIndex beginIndex, SyncIndex endIndex, uint64_t flag) {
   int32_t    code = 0;
   ESyncState state = flag;
@@ -2621,7 +2654,20 @@ int32_t syncNodeCommit(SSyncNode* ths, SyncIndex beginIndex, SyncIndex endIndex,
         syncEntry2OriginalRpc(pEntry, &rpcMsg);
 
         // user commit
-        if (ths->pFsm->FpCommitCb != NULL && syncUtilUserCommit(pEntry->originalRpcType)) {
+        if ((ths->pFsm->FpCommitCb != NULL) && syncUtilUserCommit(pEntry->originalRpcType)) {
+          bool internalExecute = true;
+          if ((ths->replicaNum == 1) && ths->restoreFinish && (ths->vgId != 1)) {
+            internalExecute = false;
+          }
+
+          do {
+            char logBuf[128];
+            snprintf(logBuf, sizeof(logBuf), "index:%ld, internalExecute:%d", i, internalExecute);
+            syncNodeEventLog(ths, logBuf);
+          } while (0);
+
+          // execute fsm in apply thread, or execute outside syncPropose
+          if (internalExecute) {
             SFsmCbMeta cbMeta = {0};
             cbMeta.index = pEntry->index;
             cbMeta.lastConfigIndex = syncNodeGetSnapshotConfigIndex(ths, cbMeta.index);
@@ -2635,6 +2681,7 @@ int32_t syncNodeCommit(SSyncNode* ths, SyncIndex beginIndex, SyncIndex endIndex,
 
             ths->pFsm->FpCommitCb(ths->pFsm, &rpcMsg, cbMeta);
           }
+        }
 
         // config change
         if (pEntry->originalRpcType == TDMT_SYNC_CONFIG_CHANGE) {

source/libs/sync/src/syncRaftCfg.c

@@ -101,7 +101,7 @@ cJSON *syncCfg2Json(SSyncCfg *pSyncCfg) {
 
 char *syncCfg2Str(SSyncCfg *pSyncCfg) {
   cJSON *pJson = syncCfg2Json(pSyncCfg);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
@@ -109,7 +109,7 @@ char *syncCfg2Str(SSyncCfg *pSyncCfg) {
 char *syncCfg2SimpleStr(SSyncCfg *pSyncCfg) {
   if (pSyncCfg != NULL) {
     int32_t len = 512;
-    char   *s = taosMemoryMalloc(len);
+    char *  s = taosMemoryMalloc(len);
     memset(s, 0, len);
 
     snprintf(s, len, "{replica-num:%d, my-index:%d, ", pSyncCfg->replicaNum, pSyncCfg->myIndex);
@@ -205,7 +205,7 @@ cJSON *raftCfg2Json(SRaftCfg *pRaftCfg) {
 
 char *raftCfg2Str(SRaftCfg *pRaftCfg) {
   cJSON *pJson = raftCfg2Json(pRaftCfg);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
@@ -271,7 +271,7 @@ int32_t raftCfgFromJson(const cJSON *pRoot, SRaftCfg *pRaftCfg) {
     (pRaftCfg->configIndexArr)[i] = atoll(pIndex->valuestring);
   }
 
-  cJSON  *pJsonSyncCfg = cJSON_GetObjectItem(pJson, "SSyncCfg");
+  cJSON * pJsonSyncCfg = cJSON_GetObjectItem(pJson, "SSyncCfg");
   int32_t code = syncCfgFromJson(pJsonSyncCfg, &(pRaftCfg->cfg));
   ASSERT(code == 0);
 

source/libs/sync/src/syncRaftLog.c

@@ -257,6 +257,8 @@ static int32_t raftLogGetEntry(struct SSyncLogStore* pLogStore, SyncIndex index,
     return -1;
   }
 
+  taosThreadMutexLock(&(pData->mutex));
+
   code = walReadWithHandle(pWalHandle, index);
   if (code != 0) {
     int32_t     err = terrno;
@@ -281,6 +283,7 @@ static int32_t raftLogGetEntry(struct SSyncLogStore* pLogStore, SyncIndex index,
         terrno = saveErr;
     */
 
+    taosThreadMutexUnlock(&(pData->mutex));
     return code;
   }
 
@@ -301,6 +304,7 @@ static int32_t raftLogGetEntry(struct SSyncLogStore* pLogStore, SyncIndex index,
     terrno = saveErr;
   */
 
+  taosThreadMutexUnlock(&(pData->mutex));
   return code;
 }
 
@@ -364,6 +368,7 @@ SSyncLogStore* logStoreCreate(SSyncNode* pSyncNode) {
   pData->pWal = pSyncNode->pWal;
   ASSERT(pData->pWal != NULL);
 
+  taosThreadMutexInit(&(pData->mutex), NULL);
   pData->pWalHandle = walOpenReadHandle(pData->pWal);
   ASSERT(pData->pWalHandle != NULL);
 
@@ -408,9 +413,14 @@ SSyncLogStore* logStoreCreate(SSyncNode* pSyncNode) {
 void logStoreDestory(SSyncLogStore* pLogStore) {
   if (pLogStore != NULL) {
     SSyncLogStoreData* pData = pLogStore->data;
+
+    taosThreadMutexLock(&(pData->mutex));
     if (pData->pWalHandle != NULL) {
       walCloseReadHandle(pData->pWalHandle);
+      pData->pWalHandle = NULL;
     }
+    taosThreadMutexUnlock(&(pData->mutex));
+    taosThreadMutexDestroy(&(pData->mutex));
 
     taosMemoryFree(pLogStore->data);
     taosMemoryFree(pLogStore);
@@ -460,6 +470,8 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
   SWal*              pWal = pData->pWal;
 
   if (index >= SYNC_INDEX_BEGIN && index <= logStoreLastIndex(pLogStore)) {
+    taosThreadMutexLock(&(pData->mutex));
+
     // SWalReadHandle* pWalHandle = walOpenReadHandle(pWal);
     SWalReadHandle* pWalHandle = pData->pWalHandle;
     ASSERT(pWalHandle != NULL);
@@ -503,6 +515,7 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
         terrno = saveErr;
     */
 
+    taosThreadMutexUnlock(&(pData->mutex));
     return pEntry;
 
   } else {

source/libs/sync/src/syncRaftStore.c

@@ -216,7 +216,7 @@ cJSON *raftStore2Json(SRaftStore *pRaftStore) {
 
 char *raftStore2Str(SRaftStore *pRaftStore) {
   cJSON *pJson = raftStore2Json(pRaftStore);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }

source/libs/sync/src/syncSnapshot.c

@@ -314,14 +314,14 @@ cJSON *snapshotSender2Json(SSyncSnapshotSender *pSender) {
 
 char *snapshotSender2Str(SSyncSnapshotSender *pSender) {
   cJSON *pJson = snapshotSender2Json(pSender);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
 
 char *snapshotSender2SimpleStr(SSyncSnapshotSender *pSender, char *event) {
   int32_t len = 256;
-  char   *s = taosMemoryMalloc(len);
+  char *  s = taosMemoryMalloc(len);
 
   SRaftId  destId = pSender->pSyncNode->replicasId[pSender->replicaIndex];
   char     host[128];
@@ -461,7 +461,7 @@ cJSON *snapshotReceiver2Json(SSyncSnapshotReceiver *pReceiver) {
     cJSON_AddStringToObject(pFromId, "addr", u64buf);
     {
       uint64_t u64 = pReceiver->fromId.addr;
-      cJSON   *pTmp = pFromId;
+      cJSON *  pTmp = pFromId;
       char     host[128] = {0};
       uint16_t port;
       syncUtilU642Addr(u64, host, sizeof(host), &port);
@@ -494,14 +494,14 @@ cJSON *snapshotReceiver2Json(SSyncSnapshotReceiver *pReceiver) {
 
 char *snapshotReceiver2Str(SSyncSnapshotReceiver *pReceiver) {
   cJSON *pJson = snapshotReceiver2Json(pReceiver);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
 
 char *snapshotReceiver2SimpleStr(SSyncSnapshotReceiver *pReceiver, char *event) {
   int32_t len = 256;
-  char   *s = taosMemoryMalloc(len);
+  char *  s = taosMemoryMalloc(len);
 
   SRaftId  fromId = pReceiver->fromId;
   char     host[128];

source/libs/sync/src/syncVoteMgr.c

@@ -127,7 +127,7 @@ cJSON *voteGranted2Json(SVotesGranted *pVotesGranted) {
 
 char *voteGranted2Str(SVotesGranted *pVotesGranted) {
   cJSON *pJson = voteGranted2Json(pVotesGranted);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }
@@ -256,7 +256,7 @@ cJSON *votesRespond2Json(SVotesRespond *pVotesRespond) {
 
 char *votesRespond2Str(SVotesRespond *pVotesRespond) {
   cJSON *pJson = votesRespond2Json(pVotesRespond);
-  char  *serialized = cJSON_Print(pJson);
+  char * serialized = cJSON_Print(pJson);
   cJSON_Delete(pJson);
   return serialized;
 }

source/libs/sync/test/syncRaftLogTest2.cpp

@@ -113,7 +113,7 @@ void test2() {
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
   pSyncNode->pLogStore = pLogStore;
-  //pLogStore->syncLogSetBeginIndex(pLogStore, 5);
+  // pLogStore->syncLogSetBeginIndex(pLogStore, 5);
   pLogStore->syncLogRestoreFromSnapshot(pLogStore, 4);
   logStoreLog2((char*)"\n\n\ntest2 ----- ", pLogStore);
 
@@ -229,7 +229,7 @@ void test4() {
   assert(pLogStore);
   pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest4 ----- ", pLogStore);
-  //pLogStore->syncLogSetBeginIndex(pLogStore, 5);
+  // pLogStore->syncLogSetBeginIndex(pLogStore, 5);
   pLogStore->syncLogRestoreFromSnapshot(pLogStore, 4);
 
   for (int i = 5; i <= 9; ++i) {
@@ -291,7 +291,7 @@ void test5() {
   assert(pLogStore);
   pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest5 ----- ", pLogStore);
-  //pLogStore->syncLogSetBeginIndex(pLogStore, 5);
+  // pLogStore->syncLogSetBeginIndex(pLogStore, 5);
   pLogStore->syncLogRestoreFromSnapshot(pLogStore, 4);
 
   for (int i = 5; i <= 9; ++i) {
@@ -419,15 +419,12 @@ void test6() {
   logStoreDestory(pLogStore);
   cleanup();
 
-
-
   // restart
   init();
   pLogStore = logStoreCreate(pSyncNode);
   assert(pLogStore);
   pSyncNode->pLogStore = pLogStore;
 
-
   do {
     SyncIndex firstVer = walGetFirstVer(pWal);
     SyncIndex lastVer = walGetLastVer(pWal);
@@ -461,13 +458,13 @@ int main(int argc, char** argv) {
   }
   sTrace("gAssert : %d", gAssert);
 
-/*
+  /*
     test1();
     test2();
     test3();
     test4();
     test5();
-*/
+  */
   test6();
 
   return 0;

source/libs/sync/test/syncRaftLogTest3.cpp

@@ -312,7 +312,7 @@ void test5() {
   pSyncNode->pLogStore = pLogStore;
   logStoreLog2((char*)"\n\n\ntest5 ----- ", pLogStore);
 
-  //pSyncNode->pLogStore->syncLogSetBeginIndex(pSyncNode->pLogStore, 6);
+  // pSyncNode->pLogStore->syncLogSetBeginIndex(pSyncNode->pLogStore, 6);
   pLogStore->syncLogRestoreFromSnapshot(pSyncNode->pLogStore, 5);
   for (int i = 6; i <= 10; ++i) {
     int32_t         dataLen = 10;