diff --git a/source/libs/executor/src/sysscanoperator.c b/source/libs/executor/src/sysscanoperator.c
index b6e4018e46..56934afc82 100644
--- a/source/libs/executor/src/sysscanoperator.c
+++ b/source/libs/executor/src/sysscanoperator.c
@@ -2209,7 +2209,7 @@ static SSDataBlock* sysTableScanFromMNode(SOperatorInfo* pOperator, SSysTableSca
              pRsp->numOfRows, pInfo->loadInfo.totalRows);
 
       if (pRsp->numOfRows == 0) {
-        taosMemoryFree(pRsp);
+        taosMemFree(pRsp);
         return NULL;
       }
     }
@@ -2219,7 +2219,7 @@ static SSDataBlock* sysTableScanFromMNode(SOperatorInfo* pOperator, SSysTableSca
     if (code != TSDB_CODE_SUCCESS) {
       qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
       pTaskInfo->code = code;
-      taosMemoryFreeClear(pRsp);
+      taosMemFreeClear(pRsp);
       T_LONG_JMP(pTaskInfo->env, code);
     }
     updateLoadRemoteInfo(&pInfo->loadInfo, pRsp->numOfRows, pRsp->compLen, startTs, pOperator);
@@ -2229,10 +2229,10 @@ static SSDataBlock* sysTableScanFromMNode(SOperatorInfo* pOperator, SSysTableSca
     if (code != TSDB_CODE_SUCCESS) {
       qError("%s failed at line %d since %s", __func__, __LINE__, tstrerror(code));
       pTaskInfo->code = code;
-      taosMemoryFreeClear(pRsp);
+      taosMemFreeClear(pRsp);
       T_LONG_JMP(pTaskInfo->env, code);
     }
-    taosMemoryFree(pRsp);
+    taosMemFree(pRsp);
     if (pInfo->pRes->info.rows > 0) {
       return pInfo->pRes;
     } else if (pOperator->status == OP_EXEC_DONE) {
diff --git a/source/util/inc/tmempoolInt.h b/source/util/inc/tmempoolInt.h
index 4dd6f67ff6..888b9cca98 100755
--- a/source/util/inc/tmempoolInt.h
+++ b/source/util/inc/tmempoolInt.h
@@ -153,12 +153,41 @@ typedef struct SMPStatSession {
   int64_t destroyNum;
 } SMPStatSession;
 
+typedef struct SMPAllocStat {
+  int64_t allocTimes;
+  int64_t allocBytes;
+  //int64_t freeIDs[]; // TODO
+} SMPAllocStat;
+
+typedef struct SMPFreeStat {
+  int64_t freeTimes;
+  int64_t freeBytes;
+} SMPFreeStat;
+
+typedef struct SMPFileLineId {
+  uint32_t  fileId;
+  int32_t   line;
+} SMPFileLineId;
+
+typedef struct SMPFileLine {
+  SMPFileLineId fl;
+  int64_t size;
+} SMPFileLine;
+
+typedef struct SMPStatPos {
+  int64_t        logErrTimes;   
+  SHashObj*      fileHash;      // fileId  => fileName
+  SHashObj*      remainHash;    // pointer  => SMPFileLine
+  SHashObj*      allocHash;     // alloc fl => SMPAllocStat
+  SHashObj*      freeHash;      // free fl => SMPFreeStat
+} SMPStatPos;
+
 typedef struct SMPStatInfo {
   SMPStatDetail  statDetail;
   SMPStatSession statSession;
   SHashObj*      sessStat;
   SHashObj*      nodeStat;
-  SHashObj*      posStat;
+  SMPStatPos     posStat;
 } SMPStatInfo;
 
 
@@ -316,6 +345,8 @@ enum {
 #define MP_STAT_VALUE(_name, _item) _name, (_item).inErr, (_item).exec, (_item).succ, (_item).fail
 #define MP_STAT_ORIG_VALUE(_name, _item) _name, (_item).inErr, (_item).exec, (_item).succ, (_item).fail, (_item).origExec, (_item).origSucc, (_item).origFail
 
+#define MP_API_ENTER() void* _pPoolHandle = NULL; taosSaveDisableMemoryPoolUsage(_pPoolHandle)
+#define MP_API_LEAVE() taosRestoreEnableMemoryPoolUsage(_pPoolHandle)
 
 #define MP_INIT_MEM_HEADER(_header, _size, _nsChunk)                      \
   do {                                                                    \
diff --git a/source/util/src/tmempool.c b/source/util/src/tmempool.c
index 1f7e1508de..0199e2c2b8 100644
--- a/source/util/src/tmempool.c
+++ b/source/util/src/tmempool.c
@@ -18,6 +18,7 @@
 #include "tmempoolInt.h"
 #include "tlog.h"
 #include "tutil.h"
+#include "taos.h"
 
 static TdThreadOnce  gMPoolInit = PTHREAD_ONCE_INIT;
 threadlocal void* threadPoolHandle = NULL;
@@ -178,6 +179,41 @@ int32_t mpUpdateCfg(SMemPool* pPool) {
   return TSDB_CODE_SUCCESS;
 }
 
+uint32_t mpFileIdHashFp(const char* fileId, uint32_t len) {
+  return *(uint32_t*)fileId;
+}
+
+
+int32_t mpInitStat(SMPStatPos* pStat, bool sessionStat) {
+  pStat->remainHash = taosHashInit(1024, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_ENTRY_LOCK);
+  if (NULL == pStat->remainHash) {
+    uError("memPool init posStat remainHash failed, error:%s, sessionStat:%d", tstrerror(terrno), sessionStat);
+    return terrno;
+  }
+
+  pStat->allocHash = taosHashInit(1024, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_ENTRY_LOCK);
+  if (NULL == pStat->allocHash) {
+    uError("memPool init posStat allocHash failed, error:%s, sessionStat:%d", tstrerror(terrno), sessionStat);
+    return terrno;
+  }
+
+  pStat->freeHash = taosHashInit(1024, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_ENTRY_LOCK);
+  if (NULL == pStat->freeHash) {
+    uError("memPool init posStat freeHash failed, error:%s, sessionStat:%d", tstrerror(terrno), sessionStat);
+    return terrno;
+  }
+
+  pStat->fileHash = taosHashInit(1024, mpFileIdHashFp, false, HASH_ENTRY_LOCK);
+  if (NULL == pStat->fileHash) {
+    uError("memPool init posStat fileHash failed, error:%s, sessionStat:%d", tstrerror(terrno), sessionStat);
+    return terrno;
+  }
+
+  uDebug("memPool stat initialized, sessionStat:%d", sessionStat);
+
+  return TSDB_CODE_SUCCESS;
+}
+
 int32_t mpInit(SMemPool* pPool, char* poolName, SMemPoolCfg* cfg) {
   MP_ERR_RET(mpCheckCfg(cfg));
   
@@ -202,6 +238,8 @@ int32_t mpInit(SMemPool* pPool, char* poolName, SMemPoolCfg* cfg) {
   if (gMPFps[gMPMgmt.strategy].initFp) {
     MP_ERR_RET((*gMPFps[gMPMgmt.strategy].initFp)(pPool, poolName, cfg));
   }
+
+  MP_ERR_RET(mpInitStat(&pPool->stat.posStat, false));
   
   return TSDB_CODE_SUCCESS;
 }
@@ -437,8 +475,101 @@ void mpPrintStatDetail(SMPCtrlInfo* pCtrl, SMPStatDetail* pDetail, char* detailN
   }
 }
 
-void mpPrintFileLineStat(SMPCtrlInfo* pCtrl, SHashObj* pHash, char* detailName) {
-  //TODO
+int32_t mpAddToRemainAllocHash(SHashObj* pHash, SMPFileLine* pFileLine) {
+  int32_t code = TSDB_CODE_SUCCESS;
+  SMPAllocStat stat = {0}, *pStat = NULL;
+  
+  while (true) {
+    pStat = (SMPAllocStat*)taosHashGet(pHash, &pFileLine->fl, sizeof(pFileLine->fl));
+    if (NULL == pStat) {
+      code = taosHashPut(pHash, &pFileLine->fl, sizeof(pFileLine->fl), &stat, sizeof(stat));
+      if (TSDB_CODE_SUCCESS != code) {
+        if (TSDB_CODE_DUP_KEY == code) {
+          continue;
+        }
+        
+        uError("taosHashPut to remain alloc hash failed, error:%s", tstrerror(code));
+        return code;
+      }
+
+      continue;
+    }
+
+    atomic_add_fetch_64(&pStat->allocBytes, pFileLine->size);
+    atomic_add_fetch_64(&pStat->allocTimes, 1);
+    break;
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
+
+void mpPrintPosRemainStat(SMPStatPos* pStat) {
+  int32_t code = TSDB_CODE_SUCCESS;
+  int32_t remainNum = taosHashGetSize(pStat->remainHash);
+  if (remainNum <= 0) {
+    uInfo("no alloc remaining memory");
+    return;
+  }
+  
+  SHashObj* pAllocHash = taosHashInit(remainNum / 10, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
+  if (NULL == pAllocHash) {
+    uError("taosHashInit pAllocHash failed, error:%s, remainNum:%d", tstrerror(terrno), remainNum);
+    return;
+  }
+
+  SMPFileLine* pFileLine = NULL;
+  void* pIter = taosHashIterate(pStat->remainHash, NULL);
+  while (pIter) {
+    pFileLine = (SMPFileLine*)pIter;
+
+    MP_ERR_JRET(mpAddToRemainAllocHash(pAllocHash, pFileLine));
+
+    pIter = taosHashIterate(pStat->remainHash, pIter);
+  }
+
+  SMPAllocStat* pAlloc = NULL;
+  pIter = taosHashIterate(pAllocHash, NULL);
+  while (pIter) {
+    pAlloc = (SMPAllocStat*)pIter;
+    SMPFileLineId* pId = (SMPFileLineId*)taosHashGetKey(pIter, NULL);
+    SMPAllocStat* pAlloc = (SMPAllocStat*)taosHashGet(pStat->allocHash, pId, sizeof(*pId));
+    char* pFileName = (char*)taosHashGet(pStat->fileHash, &pId->fileId, sizeof(pId->fileId));
+    if (NULL == pAlloc || NULL == pFileName) {
+      uError("fail to get pId in allocHash or fileHash, pAlloc:%p, pFileName:%p", pAlloc, pFileName);
+      goto _return;
+    }
+
+    uInfo("REMAINING: %" PRId64 " bytes alloced by %s:%d in %" PRId64 " times", pAlloc->allocBytes, pFileName, pId->line, pAlloc->allocTimes);
+    
+    pIter = taosHashIterate(pAllocHash, pIter);
+  }
+
+_return:
+
+  taosHashCleanup(pAllocHash);
+}
+
+void mpPrintPosAllocStat(SMPStatPos* pStat) {
+
+}
+
+void mpPrintPosFreeStat(SMPStatPos* pStat) {
+
+}
+
+void mpPrintPosStat(SMPCtrlInfo* pCtrl, SMPStatPos* pStat, char* detailName) {
+  if (!MP_GET_FLAG(pCtrl->funcFlags, MP_CTRL_FLAG_PRINT_STAT)) {
+    return;
+  }
+
+  uInfo("MemPool [%s] Pos Stat:", detailName);
+  uInfo("error times: %" PRId64, pStat->logErrTimes);
+
+  mpPrintPosRemainStat(pStat);
+
+  mpPrintPosAllocStat(pStat);
+
+  mpPrintPosFreeStat(pStat);
 }
 
 void mpPrintNodeStat(SMPCtrlInfo* pCtrl, SHashObj* pHash, char* detailName) {
@@ -578,128 +709,175 @@ void mpLogDetailStat(SMPStatDetail* pDetail, EMPStatLogItem item, SMPStatInput*
   }
 }
 
-void mpLogPosStat(SHashObj* pHash, EMPStatLogItem item, SMPStatInput* pInput) {
+int32_t mpGetAllocFreeStat(SHashObj* pHash, void* pKey, int32_t keyLen, void* pNew, int32_t newSize, void** ppRes) {
+  void* pStat = NULL;
+  int32_t code = TSDB_CODE_SUCCESS;
+
+  while (true) {
+    pStat = taosHashGet(pHash, pKey, keyLen);
+    if (NULL != pStat) {
+      *ppRes = pStat;
+      break;
+    }
+
+    code = taosHashPut(pHash, pKey, keyLen, pNew, newSize);
+    if (code) {
+      if (TSDB_CODE_DUP_KEY == code) {
+        continue;
+      }
+
+      return code;
+    }
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
+
+int32_t mpGetPosStatFileId(SMPStatPos* pStat, char* fileName, uint32_t* pId, bool sessionStat) {
+  uint32_t hashVal = MurmurHash3_32(fileName, strlen(fileName));
+  int32_t code = taosHashPut(pStat->fileHash, &hashVal, sizeof(hashVal), fileName, strlen(fileName) + 1);
+  if (code && TSDB_CODE_DUP_KEY != code) {
+    return code;
+  }
+
+  *pId = hashVal;
+  
+  return TSDB_CODE_SUCCESS;
+}
+
+void mpLogPosStat(SMPStatPos* pStat, EMPStatLogItem item, SMPStatInput* pInput, bool sessionStat) {
   if (!MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_SUCC)) {
     return;
   }
+
+  int32_t code = TSDB_CODE_SUCCESS;
   
   switch (item) {
-    case E_MP_STAT_LOG_MEM_MALLOC: {
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_EXEC)) {
-        atomic_add_fetch_64(&pDetail->times.memMalloc.exec, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memMalloc.exec, pInput->size);
-      }
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_SUCC)) {
-        atomic_add_fetch_64(&pDetail->times.memMalloc.succ, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memMalloc.succ, pInput->size);
-      } 
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_FAIL)) {
-        atomic_add_fetch_64(&pDetail->times.memMalloc.fail, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memMalloc.fail, pInput->size);
-      } 
-      break;
-    }
-    case E_MP_STAT_LOG_MEM_CALLOC:{
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_EXEC)) {
-        atomic_add_fetch_64(&pDetail->times.memCalloc.exec, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memCalloc.exec, pInput->size);
-      }
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_SUCC)) {
-        atomic_add_fetch_64(&pDetail->times.memCalloc.succ, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memCalloc.succ, pInput->size);
-      } 
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_FAIL)) {
-        atomic_add_fetch_64(&pDetail->times.memCalloc.fail, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memCalloc.fail, pInput->size);
-      } 
-      break;
-    }
-    case E_MP_STAT_LOG_MEM_REALLOC:{
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_EXEC)) {
-        atomic_add_fetch_64(&pDetail->times.memRealloc.exec, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memRealloc.exec, pInput->size);
-        atomic_add_fetch_64(&pDetail->bytes.memRealloc.origExec, pInput->origSize);
-      }
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_SUCC)) {
-        atomic_add_fetch_64(&pDetail->times.memRealloc.succ, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memRealloc.succ, pInput->size);
-        atomic_add_fetch_64(&pDetail->bytes.memRealloc.origSucc, pInput->origSize);
-      } 
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_FAIL)) {
-        atomic_add_fetch_64(&pDetail->times.memRealloc.fail, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memRealloc.fail, pInput->size);
-        atomic_add_fetch_64(&pDetail->bytes.memRealloc.origFail, pInput->origSize);
-      } 
-      break;
-    }
-    case E_MP_STAT_LOG_MEM_FREE:{
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_EXEC)) {
-        atomic_add_fetch_64(&pDetail->times.memFree.exec, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memFree.exec, pInput->size);
-      }
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_SUCC)) {
-        atomic_add_fetch_64(&pDetail->times.memFree.succ, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memFree.succ, pInput->size);
-      } 
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_FAIL)) {
-        atomic_add_fetch_64(&pDetail->times.memFree.fail, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memFree.fail, pInput->size);
-      } 
-      break;
-    }
-    case E_MP_STAT_LOG_MEM_STRDUP: {
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_EXEC)) {
-        atomic_add_fetch_64(&pDetail->times.strdup.exec, 1);
-        atomic_add_fetch_64(&pDetail->bytes.strdup.exec, pInput->size);
-      }
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_SUCC)) {
-        atomic_add_fetch_64(&pDetail->times.strdup.succ, 1);
-        atomic_add_fetch_64(&pDetail->bytes.strdup.succ, pInput->size);
-      } 
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_FAIL)) {
-        atomic_add_fetch_64(&pDetail->times.strdup.fail, 1);
-        atomic_add_fetch_64(&pDetail->bytes.strdup.fail, pInput->size);
-      } 
-      break;
-    }
+    case E_MP_STAT_LOG_MEM_MALLOC: 
+    case E_MP_STAT_LOG_MEM_CALLOC: 
+    case E_MP_STAT_LOG_MEM_STRDUP: 
     case E_MP_STAT_LOG_MEM_STRNDUP: {
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_EXEC)) {
-        atomic_add_fetch_64(&pDetail->times.strndup.exec, 1);
-        atomic_add_fetch_64(&pDetail->bytes.strndup.exec, pInput->size);
+      SMPAllocStat allocStat = {0}, *pAlloc = NULL;
+      SMPFileLine fileLine = {.fl.line = pInput->line, .size = pInput->size};
+      code = mpGetPosStatFileId(pStat, pInput->file, &fileLine.fl.fileId, sessionStat);
+      if (TSDB_CODE_SUCCESS != code) {
+        uError("add pMem:%p file:%s line:%d to fileHash failed, error:%s, sessionStat:%d", 
+          pInput->pMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+        MP_ERR_JRET(code);
       }
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_SUCC)) {
-        atomic_add_fetch_64(&pDetail->times.strndup.succ, 1);
-        atomic_add_fetch_64(&pDetail->bytes.strndup.succ, pInput->size);
-      } 
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_FAIL)) {
-        atomic_add_fetch_64(&pDetail->times.strndup.fail, 1);
-        atomic_add_fetch_64(&pDetail->bytes.strndup.fail, pInput->size);
-      } 
+      code = taosHashPut(pStat->remainHash, &pInput->pMem, POINTER_BYTES, &fileLine, sizeof(fileLine));
+      if (TSDB_CODE_SUCCESS != code) {
+        uError("add pMem:%p file:%s line:%d to remainHash failed, error:%s, sessionStat:%d", 
+          pInput->pMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+        MP_ERR_JRET(code);
+      }
+      code = mpGetAllocFreeStat(pStat->allocHash, &fileLine.fl, sizeof(fileLine.fl), (void*)&allocStat, sizeof(allocStat), (void**)&pAlloc);
+      if (TSDB_CODE_SUCCESS != code) {
+        uError("add pMem:%p file:%s line:%d to allocHash failed, error:%s, sessionStat:%d", 
+          pInput->pMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+        MP_ERR_JRET(code);
+      }
+      
+      atomic_add_fetch_64(&pAlloc->allocTimes, 1);
+      atomic_add_fetch_64(&pAlloc->allocBytes, pInput->size);
       break;
     }
-    case E_MP_STAT_LOG_MEM_TRIM: {
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_EXEC)) {
-        atomic_add_fetch_64(&pDetail->times.memTrim.exec, 1);
+    case E_MP_STAT_LOG_MEM_REALLOC: {
+      SMPAllocStat allocStat = {0}, *pAlloc = NULL;
+      SMPFreeStat freeStat = {0}, *pFree = NULL;
+      SMPFileLine fileLine = {.fl.line = pInput->line, .size = pInput->size};
+      code = mpGetPosStatFileId(pStat, pInput->file, &fileLine.fl.fileId, sessionStat);
+      if (TSDB_CODE_SUCCESS != code) {
+        uError("realloc: add pMem:%p file:%s line:%d to fileHash failed, error:%s, sessionStat:%d", 
+          pInput->pMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+        MP_ERR_JRET(code);
       }
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_SUCC)) {
-        atomic_add_fetch_64(&pDetail->times.memTrim.succ, 1);
-        atomic_add_fetch_64(&pDetail->bytes.memTrim.succ, pInput->size);
-      } 
-      if (MP_GET_FLAG(pInput->procFlags, MP_STAT_PROC_FLAG_RES_FAIL)) {
-        atomic_add_fetch_64(&pDetail->times.memTrim.fail, 1);
-      } 
+
+      ASSERT((pInput->pOrigMem && pInput->origSize > 0) || (NULL == pInput->pOrigMem && pInput->origSize == 0));
+      
+      if (pInput->pOrigMem && pInput->origSize > 0) {
+        code = taosHashRemove(pStat->remainHash, &pInput->pOrigMem, POINTER_BYTES);
+        if (TSDB_CODE_SUCCESS != code) {
+          uError("realloc: rm pOrigMem:%p file:%s line:%d from remainHash failed, error:%s, sessionStat:%d", 
+            pInput->pOrigMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+          MP_ERR_JRET(code);
+        }
+        code = mpGetAllocFreeStat(pStat->freeHash, &fileLine.fl, sizeof(fileLine.fl), (void*)&freeStat, sizeof(freeStat), (void**)&pFree);
+        if (TSDB_CODE_SUCCESS != code) {
+          uError("realloc: add pOrigMem:%p file:%s line:%d to freeHash failed, error:%s, sessionStat:%d", 
+            pInput->pOrigMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+          MP_ERR_JRET(code);
+        }
+        
+        atomic_add_fetch_64(&pFree->freeTimes, 1);
+        atomic_add_fetch_64(&pFree->freeBytes, pInput->origSize);
+      }
+      
+      code = taosHashPut(pStat->remainHash, &pInput->pMem, POINTER_BYTES, &fileLine, sizeof(fileLine));
+      if (TSDB_CODE_SUCCESS != code) {
+        uError("realloc: add pMem:%p file:%s line:%d to remainHash failed, error:%s, sessionStat:%d", 
+          pInput->pMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+        MP_ERR_JRET(code);
+      }
+      
+      code = mpGetAllocFreeStat(pStat->allocHash, &fileLine.fl, sizeof(fileLine.fl), (void*)&allocStat, sizeof(allocStat), (void**)&pAlloc);
+      if (TSDB_CODE_SUCCESS != code) {
+        uError("realloc: add pMem:%p file:%s line:%d to allocHash failed, error:%s, sessionStat:%d", 
+          pInput->pMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+        MP_ERR_JRET(code);
+      }
+
+      atomic_add_fetch_64(&pAlloc->allocTimes, 1);
+      atomic_add_fetch_64(&pAlloc->allocBytes, pInput->size);
       break;
     }
+    case E_MP_STAT_LOG_MEM_FREE: {
+      SMPAllocStat allocStat = {0}, *pAlloc = NULL;
+      SMPFreeStat freeStat = {0}, *pFree = NULL;
+      SMPFileLineId fl = {.line = pInput->line};
+      code = mpGetPosStatFileId(pStat, pInput->file, &fl.fileId, sessionStat);
+      if (TSDB_CODE_SUCCESS != code) {
+        uError("free: add pMem:%p file:%s line:%d to fileHash failed, error:%s, sessionStat:%d", 
+          pInput->pMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+        MP_ERR_JRET(code);
+      }
+
+      code = taosHashRemove(pStat->remainHash, &pInput->pMem, POINTER_BYTES);
+      if (TSDB_CODE_SUCCESS != code) {
+        uError("free: rm pMem:%p file:%s line:%d to remainHash failed, error:%s, sessionStat:%d", 
+          pInput->pMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+        MP_ERR_JRET(code);
+      }
+
+      code = mpGetAllocFreeStat(pStat->freeHash, &fl, sizeof(fl), (void*)&freeStat, sizeof(freeStat), (void**)&pFree);
+      if (TSDB_CODE_SUCCESS != code) {
+        uError("realloc: add pMem:%p file:%s line:%d to freeHash failed, error:%s, sessionStat:%d", 
+          pInput->pMem, pInput->file, pInput->line, tstrerror(code), sessionStat);
+        MP_ERR_JRET(code);
+      }
+        
+      atomic_add_fetch_64(&pFree->freeTimes, 1);
+      atomic_add_fetch_64(&pFree->freeBytes, pInput->size);
+      break;
+    }
+    case E_MP_STAT_LOG_MEM_TRIM:
+      break;
     case E_MP_STAT_LOG_CHUNK_MALLOC:  
     case E_MP_STAT_LOG_CHUNK_RECYCLE:  
     case E_MP_STAT_LOG_CHUNK_REUSE:
     case E_MP_STAT_LOG_CHUNK_FREE: {
-
+      break;
     }
     default:
       uError("Invalid stat item: %d", item);
       break;
   }
+
+  return;
+
+_return:
+  
+  atomic_add_fetch_64(&pStat->logErrTimes, 1);
 }
 
 
@@ -719,7 +897,8 @@ void mpLogStat(SMemPool* pPool, SMPSession* pSession, EMPStatLogItem item, SMPSt
         mpLogDetailStat(&pPool->stat.statDetail, item, pInput);
       }
       if (MP_GET_FLAG(pPool->ctrl.statFlags, MP_LOG_FLAG_ALL_POS)) {
-        mpLogPosStat(pPool->stat.posStat, item, pInput);
+        mpLogPosStat(&pSession->stat.posStat, item, pInput, true);
+        mpLogPosStat(&pPool->stat.posStat, item, pInput, false);
       }
       break;
     }
@@ -762,13 +941,14 @@ void mpCheckStatDetail(void* poolHandle, void* session, char* detailName) {
   if (NULL != poolHandle) {
     pCtrl = &pPool->ctrl;
     pDetail = &pPool->stat.statDetail;
-    int64_t sessInit = pPool->stat.statSession.initFail + pPool->stat.statSession.initSucc;
-    if (MP_GET_FLAG(pCtrl->funcFlags, MP_CTRL_FLAG_CHECK_STAT) && sessInit == pPool->stat.statSession.destroyNum) {
+    int64_t sessInit = atomic_load_64(&pPool->stat.statSession.initFail) + atomic_load_64(&pPool->stat.statSession.initSucc);
+    if (MP_GET_FLAG(pCtrl->funcFlags, MP_CTRL_FLAG_CHECK_STAT) && sessInit == atomic_load_64(&pPool->stat.statSession.destroyNum)) {
       int64_t allocSize = pDetail->bytes.memMalloc.succ + pDetail->bytes.memCalloc.succ + pDetail->bytes.memRealloc.succ + pDetail->bytes.strdup.succ + pDetail->bytes.strndup.succ;
       int64_t freeSize = pDetail->bytes.memRealloc.origSucc + pDetail->bytes.memFree.succ;
 
       if (allocSize != freeSize) {
         uError("%s MemPool %s stat check failed, allocSize:%" PRId64 ", freeSize:%" PRId64, detailName, pPool->name, allocSize, freeSize);
+
         ASSERT(0);
       } else {
         uDebug("%s MemPool %s stat check succeed, allocSize:%" PRId64 ", freeSize:%" PRId64, detailName, pPool->name, allocSize, freeSize);
@@ -849,6 +1029,8 @@ _return:
 }
 
 void taosMemPoolPrintStat(void* poolHandle, void* session, char* procName) {
+  MP_API_ENTER();
+  
   SMemPool* pPool = (SMemPool*)poolHandle;
   SMPSession* pSession = (SMPSession*)session;
   char detailName[128];
@@ -860,7 +1042,7 @@ void taosMemPoolPrintStat(void* poolHandle, void* session, char* procName) {
 
     snprintf(detailName, sizeof(detailName) - 1, "%s - %s", procName, "SessionPos");
     detailName[sizeof(detailName) - 1] = 0;
-    mpPrintFileLineStat(&pSession->ctrl, pSession->stat.posStat, detailName);
+    mpPrintPosStat(&pSession->ctrl, &pSession->stat.posStat, detailName);
   }
 
   snprintf(detailName, sizeof(detailName) - 1, "%s - %s", procName, pPool->name);
@@ -870,15 +1052,19 @@ void taosMemPoolPrintStat(void* poolHandle, void* session, char* procName) {
 
   snprintf(detailName, sizeof(detailName) - 1, "%s - %s", procName, "MemPoolNode");
   detailName[sizeof(detailName) - 1] = 0;
-  mpPrintNodeStat(&pSession->ctrl, pSession->stat.nodeStat, detailName);
+  mpPrintNodeStat(&pPool->ctrl, pPool->stat.nodeStat, detailName);
   
   snprintf(detailName, sizeof(detailName) - 1, "%s - %s", procName, "MemPoolPos");
   detailName[sizeof(detailName) - 1] = 0;
-  mpPrintFileLineStat(&pSession->ctrl, pSession->stat.posStat, detailName);
+  mpPrintPosStat(&pPool->ctrl, &pPool->stat.posStat, detailName);
+
+  MP_API_LEAVE();  
 }
 
 
 int32_t taosMemPoolOpen(char* poolName, SMemPoolCfg* cfg, void** poolHandle) {
+  MP_API_ENTER();
+  
   int32_t code = TSDB_CODE_SUCCESS;
   SMemPool* pPool = NULL;
   
@@ -918,21 +1104,29 @@ _return:
 
   *poolHandle = pPool;
 
+  MP_API_LEAVE();  
+
   return code;
 }
 
 void taosMemPoolCfgUpdate(void* poolHandle, SMemPoolCfg* pCfg) {
+  MP_API_ENTER();
+  
   SMemPool* pPool = (SMemPool*)poolHandle;
 
   (void)mpUpdateCfg(pPool);
+
+  MP_API_LEAVE();    
 }
 
 void taosMemPoolDestroySession(void* poolHandle, void* session) {
+  MP_API_ENTER();
+  
   SMemPool* pPool = (SMemPool*)poolHandle;
   SMPSession* pSession = (SMPSession*)session;
   if (NULL == pSession) {
     uWarn("null pointer of session");
-    return;
+    goto _return;
   }
 
   (void)atomic_sub_fetch_32(&pSession->pJob->remainSession, 1);
@@ -948,9 +1142,15 @@ void taosMemPoolDestroySession(void* poolHandle, void* session) {
   TAOS_MEMSET(pSession, 0, sizeof(*pSession));
 
   mpPushIdleNode(pPool, &pPool->sessionCache, (SMPListNode*)pSession);
+
+_return:
+
+  MP_API_LEAVE();  
 }
 
 int32_t taosMemPoolInitSession(void* poolHandle, void** ppSession, void* pJob) {
+  MP_API_ENTER();
+  
   int32_t code = TSDB_CODE_SUCCESS;
   SMemPool* pPool = (SMemPool*)poolHandle;
   SMPSession* pSession = NULL;
@@ -962,6 +1162,8 @@ int32_t taosMemPoolInitSession(void* poolHandle, void** ppSession, void* pJob) {
   if (gMPFps[gMPMgmt.strategy].initSessionFp) {
     MP_ERR_JRET((*gMPFps[gMPMgmt.strategy].initSessionFp)(pPool, pSession));
   }
+
+  MP_ERR_JRET(mpInitStat(&pSession->stat.posStat, true));
   
   pSession->pJob = (SMPJob*)pJob;
   (void)atomic_add_fetch_32(&pSession->pJob->remainSession, 1);
@@ -978,11 +1180,15 @@ _return:
 
   *ppSession = pSession;
 
+  MP_API_LEAVE();  
+
   return code;
 }
 
 
 void *taosMemPoolMalloc(void* poolHandle, void* session, int64_t size, char* fileName, int32_t lineNo) {
+  MP_API_ENTER();
+  
   int32_t code = TSDB_CODE_SUCCESS;
   
   if (NULL == poolHandle || NULL == session || NULL == fileName || size < 0) {
@@ -1001,10 +1207,14 @@ void *taosMemPoolMalloc(void* poolHandle, void* session, int64_t size, char* fil
 
 _return:
 
+  MP_API_LEAVE();
+  
   return input.pMem;
 }
 
 void   *taosMemPoolCalloc(void* poolHandle, void* session, int64_t num, int64_t size, char* fileName, int32_t lineNo) {
+  MP_API_ENTER();
+  
   int32_t code = TSDB_CODE_SUCCESS;
   
   if (NULL == poolHandle || NULL == session || NULL == fileName || num < 0 || size < 0) {
@@ -1025,10 +1235,14 @@ void   *taosMemPoolCalloc(void* poolHandle, void* session, int64_t num, int64_t
 
 _return:
 
+  MP_API_LEAVE();  
+
   return input.pMem;
 }
 
 void *taosMemPoolRealloc(void* poolHandle, void* session, void *ptr, int64_t size, char* fileName, int32_t lineNo) {
+  MP_API_ENTER();
+  
   int32_t code = TSDB_CODE_SUCCESS;
   
   if (NULL == poolHandle || NULL == session || NULL == fileName || size < 0) {
@@ -1064,10 +1278,14 @@ void *taosMemPoolRealloc(void* poolHandle, void* session, void *ptr, int64_t siz
 
 _return:
 
+  MP_API_LEAVE();  
+
   return input.pMem;
 }
 
 char *taosMemPoolStrdup(void* poolHandle, void* session, const char *ptr, char* fileName, int32_t lineNo) {
+  MP_API_ENTER();
+  
   int32_t code = TSDB_CODE_SUCCESS;
   
   if (NULL == poolHandle || NULL == session || NULL == fileName || NULL == ptr) {
@@ -1092,10 +1310,14 @@ char *taosMemPoolStrdup(void* poolHandle, void* session, const char *ptr, char*
 
 _return:
 
+  MP_API_LEAVE();  
+
   return input.pMem;
 }
 
 char *taosMemPoolStrndup(void* poolHandle, void* session, const char *ptr, int64_t size, char* fileName, int32_t lineNo) {
+  MP_API_ENTER();
+  
   int32_t code = TSDB_CODE_SUCCESS;
   
   if (NULL == poolHandle || NULL == session || NULL == fileName || NULL == ptr || size < 0) {
@@ -1121,11 +1343,19 @@ char *taosMemPoolStrndup(void* poolHandle, void* session, const char *ptr, int64
 
 _return:
 
+  MP_API_LEAVE();  
+
   return input.pMem;
 }
 
 
 void taosMemPoolFree(void* poolHandle, void* session, void *ptr, char* fileName, int32_t lineNo) {
+  MP_API_ENTER();
+
+  if (NULL == ptr) {
+    goto _return;
+  }
+  
   int32_t code = TSDB_CODE_SUCCESS;
   if (NULL == poolHandle || NULL == session || NULL == fileName) {
     uError("%s invalid input param, handle:%p, session:%p, fileName:%p", 
@@ -1144,11 +1374,15 @@ void taosMemPoolFree(void* poolHandle, void* session, void *ptr, char* fileName,
 
 _return:
 
+  MP_API_LEAVE();  
+
   return;
 }
 
 int64_t taosMemPoolGetMemorySize(void* poolHandle, void* session, void *ptr, char* fileName, int32_t lineNo) {
-  int32_t code = TSDB_CODE_SUCCESS;
+  MP_API_ENTER();
+  
+  int64_t code = 0;
   if (NULL == poolHandle || NULL == session || NULL == fileName) {
     uError("%s invalid input param, handle:%p, session:%p, fileName:%p", 
       __FUNCTION__, poolHandle, session, fileName);
@@ -1156,7 +1390,7 @@ int64_t taosMemPoolGetMemorySize(void* poolHandle, void* session, void *ptr, cha
   }
 
   if (NULL == ptr) {
-    return 0;
+    goto _return;
   }
 
   SMemPool* pPool = (SMemPool*)poolHandle;
@@ -1165,10 +1399,14 @@ int64_t taosMemPoolGetMemorySize(void* poolHandle, void* session, void *ptr, cha
 
 _return:
 
+  MP_API_LEAVE();  
+
   return code;
 }
 
 void* taosMemPoolMallocAlign(void* poolHandle, void* session, uint32_t alignment, int64_t size, char* fileName, int32_t lineNo) {
+  MP_API_ENTER();
+  
   int32_t code = TSDB_CODE_SUCCESS;
   
   if (NULL == poolHandle || NULL == session || NULL == fileName || size < 0 || alignment < POINTER_BYTES || alignment % POINTER_BYTES) {
@@ -1188,10 +1426,14 @@ void* taosMemPoolMallocAlign(void* poolHandle, void* session, uint32_t alignment
 
 _return:
 
+  MP_API_LEAVE();  
+
   return input.pMem;
 }
 
 void taosMemPoolClose(void* poolHandle) {
+  MP_API_ENTER();
+  
   SMemPool* pPool = (SMemPool*)poolHandle;
 
   taosMemPoolPrintStat(poolHandle, NULL, "PoolClose");
@@ -1200,14 +1442,20 @@ void taosMemPoolClose(void* poolHandle) {
 
   taosMemoryFree(pPool->name);
   mpDestroyCacheGroup(&pPool->sessionCache);
+
+  MP_API_LEAVE();  
 }
 
 void taosMemPoolModDestroy(void) {
-
+  MP_API_ENTER();
+  
+  MP_API_LEAVE();  
 }
 
 
 int32_t taosMemPoolTrim(void* poolHandle, void* session, int32_t size, char* fileName, int32_t lineNo, bool* trimed) {
+  MP_API_ENTER();
+  
   int32_t code = TSDB_CODE_SUCCESS;
   
   if (NULL == poolHandle || NULL == session || NULL == fileName || size < 0) {
@@ -1229,27 +1477,38 @@ int32_t taosMemPoolTrim(void* poolHandle, void* session, int32_t size, char* fil
 
 _return:
 
+  MP_API_LEAVE();  
+
   return code;
 }
 
 int32_t taosMemPoolCallocJob(uint64_t jobId, void** ppJob) {
+  MP_API_ENTER();
+
+  int32_t code = TSDB_CODE_SUCCESS;
   *ppJob = taosMemoryCalloc(1, sizeof(SMPJob));
   if (NULL == *ppJob) {
     uError("calloc mp job failed, code: 0x%x", terrno);
-    return terrno;
+    MP_ERR_JRET(terrno);
   }
 
   SMPJob* pJob = (SMPJob*)*ppJob;
   pJob->job.jobId = jobId;
+
+_return:
+
+  MP_API_LEAVE();  
   
-  return TSDB_CODE_SUCCESS;
+  return code;
 }
 
 void taosMemPoolGetUsedSizeBegin(void* poolHandle, int64_t* usedSize, bool* needEnd) {
+  MP_API_ENTER();
+  
   if (NULL == poolHandle) {
     *usedSize = 0;
     *needEnd = false;
-    return;
+    goto _return;
   }
   
   SMemPool* pPool = (SMemPool*)poolHandle;
@@ -1267,22 +1526,38 @@ void taosMemPoolGetUsedSizeBegin(void* poolHandle, int64_t* usedSize, bool* need
   *needEnd = true;
   *usedSize = atomic_load_64(&pPool->allocMemSize);
 #endif
+
+_return:
+  
+  MP_API_LEAVE();  
 }
 
 void taosMemPoolGetUsedSizeEnd(void* poolHandle) {
+  MP_API_ENTER();
+  
   SMemPool* pPool = (SMemPool*)poolHandle;
   taosWUnLockLatch(&pPool->cfgLock);
+
+  MP_API_LEAVE();  
 }
 
 bool taosMemPoolNeedRetireJob(void* poolHandle) {
+  MP_API_ENTER();
+  
   SMemPool* pPool = (SMemPool*)poolHandle;
+
+  MP_API_LEAVE();  
+
   return atomic_load_64(&pPool->allocMemSize) >= atomic_load_64(&pPool->retireThreshold[0]);    
 }
 
 int32_t taosMemPoolGetSessionStat(void* session, SMPStatDetail** ppStat, int64_t* allocSize, int64_t* maxAllocSize) {
+  MP_API_ENTER();
+
+  int32_t code = TSDB_CODE_SUCCESS;
   if (NULL == session || (NULL == ppStat && NULL == allocSize && NULL == maxAllocSize)) {
     uError("%s invalid input param, session:%p, ppStat:%p, allocSize:%p, maxAllocSize:%p", __FUNCTION__, session, ppStat, allocSize, maxAllocSize);
-    MP_ERR_RET(TSDB_CODE_INVALID_MEM_POOL_PARAM);
+    MP_ERR_JRET(TSDB_CODE_INVALID_MEM_POOL_PARAM);
   }
 
   SMPSession* pSession = (SMPSession*)session;
@@ -1296,8 +1571,12 @@ int32_t taosMemPoolGetSessionStat(void* session, SMPStatDetail** ppStat, int64_t
   if (maxAllocSize) {
     *maxAllocSize = atomic_load_64(&pSession->maxAllocMemSize);
   }
+
+_return:
+
+  MP_API_LEAVE();  
   
-  return TSDB_CODE_SUCCESS;
+  return code;
 }
 
 void taosAutoMemoryFree(void *ptr) {