diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index ce152c8e10..b6fdc2c3c7 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -1725,6 +1725,7 @@ int32_t taosReadDataFolder(const char *cfgDir, const char **envCmd, const char *
   TAOS_CHECK_RETURN(cfgInit(&pCfg));
 
   TAOS_CHECK_GOTO(cfgAddDir(pCfg, "dataDir", tsDataDir, CFG_SCOPE_SERVER, CFG_DYN_NONE), NULL, _exit);
+  TAOS_CHECK_GOTO(cfgAddInt32(pCfg, "debugFlag", dDebugFlag, 0, 255, CFG_SCOPE_SERVER, CFG_DYN_SERVER), NULL, _exit);
   TAOS_CHECK_GOTO(cfgAddInt32(pCfg, "dDebugFlag", dDebugFlag, 0, 255, CFG_SCOPE_SERVER, CFG_DYN_SERVER) ,NULL, _exit);
 
   if ((code = taosLoadCfg(pCfg, envCmd, cfgDir, envFile, apolloUrl)) != 0) {
diff --git a/source/dnode/mnode/impl/src/mndMain.c b/source/dnode/mnode/impl/src/mndMain.c
index 617fae4d3c..c80016e174 100644
--- a/source/dnode/mnode/impl/src/mndMain.c
+++ b/source/dnode/mnode/impl/src/mndMain.c
@@ -575,6 +575,8 @@ static int32_t mndOpenSdb(SMnode *pMnode) {
     code = sdbReadFile(pMnode->pSdb);
   }
 
+  mInfo("vgId:1, mnode sdb is opened, with applied index:%" PRId64, pMnode->pSdb->commitIndex);
+
   atomic_store_64(&pMnode->applied, pMnode->pSdb->commitIndex);
   return code;
 }
diff --git a/source/dnode/mnode/impl/src/mndSync.c b/source/dnode/mnode/impl/src/mndSync.c
index 50b8b3e275..b5a74e865f 100644
--- a/source/dnode/mnode/impl/src/mndSync.c
+++ b/source/dnode/mnode/impl/src/mndSync.c
@@ -637,7 +637,7 @@ void mndSyncStop(SMnode *pMnode) {
 
   (void)taosThreadMutexLock(&pMgmt->lock);
   if (pMgmt->transId != 0) {
-    mInfo("vgId:1, is stopped and post sem, trans:%d", pMgmt->transId);
+    mInfo("vgId:1, trans:%d, is stopped and post sem", pMgmt->transId);
     pMgmt->transId = 0;
     pMgmt->transSec = 0;
     pMgmt->errCode = TSDB_CODE_APP_IS_STOPPING;
diff --git a/source/dnode/mnode/impl/src/mndTrans.c b/source/dnode/mnode/impl/src/mndTrans.c
index 40bb99d6b5..142ef4b5f1 100644
--- a/source/dnode/mnode/impl/src/mndTrans.c
+++ b/source/dnode/mnode/impl/src/mndTrans.c
@@ -589,6 +589,7 @@ STrans *mndAcquireTrans(SMnode *pMnode, int32_t transId) {
 
 void mndReleaseTrans(SMnode *pMnode, STrans *pTrans) {
   SSdb *pSdb = pMnode->pSdb;
+  if (pTrans != NULL) mInfo("vgId:1, trans:%d, release transaction", pTrans->id);
   sdbRelease(pSdb, pTrans);
 }
 
@@ -1131,10 +1132,11 @@ static void mndTransSendRpcRsp(SMnode *pMnode, STrans *pTrans) {
   if (!sendRsp) {
     return;
   } else {
-    mInfo("trans:%d, send rsp, stage:%s failedTimes:%d code:0x%x", pTrans->id, mndTransStr(pTrans->stage),
-          pTrans->failedTimes, code);
+    mInfo("vgId:1, trans:%d, start to send rsp, stage:%s failedTimes:%d code:0x%x", pTrans->id,
+          mndTransStr(pTrans->stage), pTrans->failedTimes, code);
   }
 
+  mInfo("vgId:1, trans:%d, start to lock rpc array", pTrans->id);
   taosWLockLatch(&pTrans->lockRpcArray);
   int32_t size = taosArrayGetSize(pTrans->pRpcArray);
   if (size <= 0) {
@@ -1155,8 +1157,8 @@ static void mndTransSendRpcRsp(SMnode *pMnode, STrans *pTrans) {
       if (i != 0 && code == 0) {
         code = TSDB_CODE_MNODE_NOT_FOUND;
       }
-      mInfo("trans:%d, client:%d send rsp, code:0x%x stage:%s app:%p", pTrans->id, i, code, mndTransStr(pTrans->stage),
-            pInfo->ahandle);
+      mInfo("vgId:1, trans:%d, client:%d start to send rsp, code:0x%x stage:%s app:%p", pTrans->id, i, code,
+            mndTransStr(pTrans->stage), pInfo->ahandle);
 
       SRpcMsg rspMsg = {.code = code, .info = *pInfo};
 
@@ -1199,6 +1201,9 @@ static void mndTransSendRpcRsp(SMnode *pMnode, STrans *pTrans) {
       }
 
       tmsgSendRsp(&rspMsg);
+
+      mInfo("vgId:1, trans:%d, client:%d send rsp finished, code:0x%x stage:%s app:%p", pTrans->id, i, code,
+            mndTransStr(pTrans->stage), pInfo->ahandle);
     }
   }
   taosArrayClear(pTrans->pRpcArray);
diff --git a/source/dnode/mnode/sdb/src/sdb.c b/source/dnode/mnode/sdb/src/sdb.c
index 03098d93e0..8d0898e8ac 100644
--- a/source/dnode/mnode/sdb/src/sdb.c
+++ b/source/dnode/mnode/sdb/src/sdb.c
@@ -168,11 +168,10 @@ static int32_t sdbCreateDir(SSdb *pSdb) {
 }
 
 void sdbSetApplyInfo(SSdb *pSdb, int64_t index, int64_t term, int64_t config) {
-#if 1
-  mTrace("mnode apply info changed from index:%" PRId64 " term:%" PRId64 " config:%" PRId64 " to index:%" PRId64
-         " term:%" PRId64 " config:%" PRId64,
-         pSdb->applyIndex, pSdb->applyTerm, pSdb->applyConfig, index, term, config);
-#endif
+  mInfo("vgId:1, mnode apply info changed from index:%" PRId64 " term:%" PRId64 " config:%" PRId64 " to index:%" PRId64
+        " term:%" PRId64 " config:%" PRId64,
+        pSdb->applyIndex, pSdb->applyTerm, pSdb->applyConfig, index, term, config);
+
   pSdb->applyIndex = index;
   pSdb->applyTerm = term;
   pSdb->applyConfig = config;
diff --git a/source/dnode/mnode/sdb/src/sdbFile.c b/source/dnode/mnode/sdb/src/sdbFile.c
index d98c3e5a72..227ff15da9 100644
--- a/source/dnode/mnode/sdb/src/sdbFile.c
+++ b/source/dnode/mnode/sdb/src/sdbFile.c
@@ -207,6 +207,8 @@ static int32_t sdbWriteFileHead(SSdb *pSdb, TdFilePtr pFile) {
     return terrno;
   }
 
+  mInfo("vgId:1, write sdb file with sdb applyIndex:%" PRId64 " term:%" PRId64 " config:%" PRId64, pSdb->applyIndex,
+        pSdb->applyTerm, pSdb->applyConfig);
   if (taosWriteFile(pFile, &pSdb->applyIndex, sizeof(int64_t)) != sizeof(int64_t)) {
     return terrno;
   }
@@ -607,6 +609,9 @@ int32_t sdbWriteFile(SSdb *pSdb, int32_t delta) {
   }
   if (code != 0) {
     mError("failed to write sdb file since %s", tstrerror(code));
+  } else {
+    mInfo("write sdb file success, apply index:%" PRId64 " term:%" PRId64 " config:%" PRId64, pSdb->applyIndex,
+          pSdb->applyTerm, pSdb->applyConfig);
   }
   (void)taosThreadMutexUnlock(&pSdb->filelock);
   return code;
diff --git a/source/dnode/mnode/sdb/src/sdbRow.c b/source/dnode/mnode/sdb/src/sdbRow.c
index da5a232851..f76c9923e3 100644
--- a/source/dnode/mnode/sdb/src/sdbRow.c
+++ b/source/dnode/mnode/sdb/src/sdbRow.c
@@ -42,6 +42,7 @@ void sdbFreeRow(SSdb *pSdb, SSdbRow *pRow, bool callFunc) {
   // remove attached object such as trans
   SdbDeleteFp deleteFp = pSdb->deleteFps[pRow->type];
   if (deleteFp != NULL) {
+    mInfo("vgId:1, deleteFp:%p, type:%s", deleteFp, sdbTableName(pRow->type));
     (void)(*deleteFp)(pSdb, pRow->pObj, callFunc);
   }