diff --git a/source/dnode/vnode/src/inc/sma.h b/source/dnode/vnode/src/inc/sma.h
index 23ad70bad3..3e15fd9c57 100644
--- a/source/dnode/vnode/src/inc/sma.h
+++ b/source/dnode/vnode/src/inc/sma.h
@@ -46,6 +46,11 @@ struct SSmaEnv {
   SSmaStat      *pStat;
 };
 
+typedef struct {
+  int32_t smaRef;
+  int32_t refId;
+} SSmaMgmt;
+
 #define SMA_ENV_LOCK(env) ((env)->lock)
 #define SMA_ENV_TYPE(env) ((env)->type)
 #define SMA_ENV_STAT(env) ((env)->pStat)
@@ -58,6 +63,7 @@ struct STSmaStat {
 
 struct SRSmaStat {
   SSma     *pSma;
+  int64_t   refId;
   void     *tmrHandle;
   tmr_h     tmrId;
   int32_t   tmrSeconds;
@@ -73,6 +79,7 @@ struct SSmaStat {
   };
   T_REF_DECLARE()
 };
+
 #define SMA_TSMA_STAT(s)     (&(s)->tsmaStat)
 #define SMA_RSMA_STAT(s)     (&(s)->rsmaStat)
 #define RSMA_INFO_HASH(r)    ((r)->rsmaInfoHash)
@@ -80,6 +87,7 @@ struct SSmaStat {
 #define RSMA_TMR_HANDLE(r)   ((r)->tmrHandle)
 #define RSMA_TRIGGER_STAT(r) (&(r)->triggerStat)
 #define RSMA_RUNNING_STAT(r) (&(r)->runningStat)
+#define RSMA_REF_ID(r)       ((r)->refId)
 
 enum {
   TASK_TRIGGER_STAT_INIT = 0,
@@ -192,10 +200,18 @@ typedef struct STFInfo STFInfo;
 typedef struct STFile  STFile;
 
 struct STFInfo {
+  // common fields
   uint32_t magic;
   uint32_t ftype;
   uint32_t fver;
   int64_t  fsize;
+
+  // specific fields
+  union {
+    struct {
+      int64_t applyVer[2];
+    } qTaskInfo;
+  };
 };
 
 struct STFile {
@@ -230,7 +246,7 @@ int32_t tdUpdateTFileHeader(STFile *pTFile);
 void    tdUpdateTFileMagic(STFile *pTFile, void *pCksm);
 void    tdCloseTFile(STFile *pTFile);
 
-void tdGetVndFileName(int32_t vid, const char *dname, const char *fname, char *outputName);
+void tdGetVndFileName(int32_t vgId, const char *dname, const char *fname, char *outputName);
 
 #ifdef __cplusplus
 }
diff --git a/source/dnode/vnode/src/inc/vnodeInt.h b/source/dnode/vnode/src/inc/vnodeInt.h
index baead763ad..6bd7d4edd1 100644
--- a/source/dnode/vnode/src/inc/vnodeInt.h
+++ b/source/dnode/vnode/src/inc/vnodeInt.h
@@ -27,6 +27,7 @@
 #include "tdatablock.h"
 #include "tdb.h"
 #include "tencode.h"
+#include "tref.h"
 #include "tfs.h"
 #include "tglobal.h"
 #include "tjson.h"
diff --git a/source/dnode/vnode/src/sma/smaEnv.c b/source/dnode/vnode/src/sma/smaEnv.c
index 7f115633b9..e70e79fb6f 100644
--- a/source/dnode/vnode/src/sma/smaEnv.c
+++ b/source/dnode/vnode/src/sma/smaEnv.c
@@ -18,6 +18,9 @@
 typedef struct SSmaStat SSmaStat;
 
 #define RSMA_TASK_INFO_HASH_SLOT 8
+#define SMA_MGMT_REF_NUM         1024
+
+extern SSmaMgmt smaMgmt;
 
 // declaration of static functions
 
@@ -25,6 +28,7 @@ static int32_t  tdInitSmaStat(SSmaStat **pSmaStat, int8_t smaType, const SSma *p
 static SSmaEnv *tdNewSmaEnv(const SSma *pSma, int8_t smaType, const char *path);
 static int32_t  tdInitSmaEnv(SSma *pSma, int8_t smaType, const char *path, SSmaEnv **pEnv);
 static void    *tdFreeTSmaStat(STSmaStat *pStat);
+static void     tdDestroyRSmaStat(void *pRSmaStat);
 
 // implementation
 
@@ -128,6 +132,22 @@ static int32_t tdInitSmaStat(SSmaStat **pSmaStat, int8_t smaType, const SSma *pS
     if (smaType == TSDB_SMA_TYPE_ROLLUP) {
       SRSmaStat *pRSmaStat = (SRSmaStat *)(*pSmaStat);
       pRSmaStat->pSma = (SSma *)pSma;
+
+      // init smaMgmt
+      smaMgmt.smaRef = taosOpenRef(SMA_MGMT_REF_NUM, tdDestroyRSmaStat);
+      if (smaMgmt.refId < 0) {
+        smaError("init smaRef failed, num:%d", SMA_MGMT_REF_NUM);
+        terrno = TSDB_CODE_OUT_OF_MEMORY;
+        return TSDB_CODE_FAILED;
+      }
+
+      int64_t refId = taosAddRef(smaMgmt.smaRef, pRSmaStat);
+      if (refId < 0) {
+        smaError("taosAddRef smaRef failed, since:%s", tstrerror(terrno));
+        return TSDB_CODE_FAILED;
+      }
+      pRSmaStat->refId = refId;
+
       // init timer
       RSMA_TMR_HANDLE(pRSmaStat) = taosTmrInit(10000, 100, 10000, "RSMA");
       if (!RSMA_TMR_HANDLE(pRSmaStat)) {
@@ -169,9 +189,10 @@ static void *tdFreeTSmaStat(STSmaStat *pStat) {
   return NULL;
 }
 
-static void tdDestroyRSmaStat(SRSmaStat *pStat) {
-  if (pStat) {
-    smaDebug("vgId:%d destroy rsma stat", SMA_VID(pStat->pSma));
+static void tdDestroyRSmaStat(void *pRSmaStat) {
+  if (pRSmaStat) {
+    SRSmaStat *pStat = (SRSmaStat *)pRSmaStat;
+    smaDebug("vgId:%d %s:%d destroy rsma stat %p", SMA_VID(pStat->pSma), __func__, __LINE__, pRSmaStat);
     // step 1: set persistence task cancelled
     atomic_store_8(RSMA_TRIGGER_STAT(pStat), TASK_TRIGGER_STAT_CANCELLED);
 
@@ -183,9 +204,11 @@ static void tdDestroyRSmaStat(SRSmaStat *pStat) {
     if (atomic_load_8(RSMA_RUNNING_STAT(pStat)) == 1) {
       while (1) {
         if (atomic_load_8(RSMA_TRIGGER_STAT(pStat)) == TASK_TRIGGER_STAT_FINISHED) {
+          smaDebug("rsma, persist task finished already");
           break;
         } else {
-          smaDebug("not destroyed since rsma stat in %" PRIi8, atomic_load_8(RSMA_TRIGGER_STAT(pStat)));
+          smaDebug("rsma, persist task not finished yet since rsma stat in %" PRIi8,
+                   atomic_load_8(RSMA_TRIGGER_STAT(pStat)));
         }
         ++nLoops;
         if (nLoops > 1000) {
@@ -209,7 +232,10 @@ static void tdDestroyRSmaStat(SRSmaStat *pStat) {
     nLoops = 0;
     while (1) {
       if (T_REF_VAL_GET((SSmaStat *)pStat) == 0) {
+        smaDebug("rsma, all fetch task finished already");
         break;
+      } else {
+        smaDebug("rsma, fetch tasks not all finished yet");
       }
       ++nLoops;
       if (nLoops > 1000) {
@@ -225,15 +251,13 @@ static void tdDestroyRSmaStat(SRSmaStat *pStat) {
   }
 }
 
-static void *tdFreeRSmaStat(SRSmaStat *pStat) {
-  tdDestroyRSmaStat(pStat);
-  taosMemoryFreeClear(pStat);
-  return NULL;
-}
-
 void *tdFreeSmaState(SSmaStat *pSmaStat, int8_t smaType) {
   tdDestroySmaState(pSmaStat, smaType);
-  taosMemoryFreeClear(pSmaStat);
+  if (smaType == TSDB_SMA_TYPE_TIME_RANGE) {
+    taosMemoryFreeClear(pSmaStat);
+  }
+  // tref used to free rsma stat
+
   return NULL;
 }
 
@@ -243,17 +267,21 @@ void *tdFreeSmaState(SSmaStat *pSmaStat, int8_t smaType) {
  * @param pSmaStat
  * @return int32_t
  */
+
 int32_t tdDestroySmaState(SSmaStat *pSmaStat, int8_t smaType) {
   if (pSmaStat) {
     if (smaType == TSDB_SMA_TYPE_TIME_RANGE) {
       tdDestroyTSmaStat(SMA_TSMA_STAT(pSmaStat));
     } else if (smaType == TSDB_SMA_TYPE_ROLLUP) {
-      tdDestroyRSmaStat(SMA_RSMA_STAT(pSmaStat));
+      SRSmaStat *pRSmaStat = SMA_RSMA_STAT(pSmaStat);
+      if (taosRemoveRef(smaMgmt.smaRef, RSMA_REF_ID(pRSmaStat)) < 0) {
+        smaError("remove refId from smaRef failed, refId:0x%" PRIx64, RSMA_REF_ID(pRSmaStat));
+      }
     } else {
       ASSERT(0);
     }
   }
-  return TSDB_CODE_SUCCESS;
+  return 0;
 }
 
 int32_t tdLockSma(SSma *pSma) {
diff --git a/source/dnode/vnode/src/sma/smaRollup.c b/source/dnode/vnode/src/sma/smaRollup.c
index 4402f37c34..bd74bbd639 100644
--- a/source/dnode/vnode/src/sma/smaRollup.c
+++ b/source/dnode/vnode/src/sma/smaRollup.c
@@ -18,9 +18,13 @@
 #define RSMA_QTASKINFO_PERSIST_MS 7200000
 #define RSMA_QTASKINFO_BUFSIZE    32768
 #define RSMA_QTASKINFO_HEAD_LEN   (sizeof(int32_t) + sizeof(int8_t) + sizeof(int64_t))  // len + type + suid
-typedef enum { TD_QTASK_TMP_FILE = 0, TD_QTASK_CUR_FILE } TD_QTASK_FILE_T;
-static const char *tdQTaskInfoFname[] = {"qtaskinfo.t", "qtaskinfo"};
 
+SSmaMgmt smaMgmt = {
+    .smaRef = -1,
+};
+
+typedef enum { TD_QTASK_TMP_F = 0, TD_QTASK_CUR_F } TD_QTASK_FILE_T;
+static const char                *tdQTaskInfoFname[] = {"qtaskinfo.t", "qtaskinfo"};
 typedef struct SRSmaQTaskInfoItem SRSmaQTaskInfoItem;
 typedef struct SRSmaQTaskInfoIter SRSmaQTaskInfoIter;
 
@@ -80,6 +84,10 @@ struct SRSmaQTaskInfoIter {
   int32_t nBufPos;
 };
 
+static void tdRSmaQTaskInfoGetFName(int32_t vgId, int8_t ftype, char *outputName) {
+  tdGetVndFileName(vgId, VNODE_RSMA_DIR, tdQTaskInfoFname[ftype], outputName);
+}
+
 static FORCE_INLINE int32_t tdRSmaQTaskInfoContLen(int32_t lenWithHead) {
   return lenWithHead - RSMA_QTASKINFO_HEAD_LEN;
 }
@@ -761,7 +769,7 @@ static int32_t tdRSmaRestoreQTaskInfoReload(SSma *pSma) {
   STFile  tFile = {0};
   char    qTaskInfoFName[TSDB_FILENAME_LEN];
 
-  tdRSmaQTaskInfoGetFName(TD_VID(pVnode), TD_QTASK_CUR_FILE, qTaskInfoFName);
+  tdRSmaQTaskInfoGetFName(TD_VID(pVnode), TD_QTASK_TMP_F, qTaskInfoFName);
   if (tdInitTFile(&tFile, pVnode->pTfs, qTaskInfoFName) < 0) {
     goto _err;
   }
@@ -797,9 +805,9 @@ _err:
 
 /**
  * @brief reload ts data from checkpoint
- * 
- * @param pSma 
- * @return int32_t 
+ *
+ * @param pSma
+ * @return int32_t
  */
 static int32_t tdRSmaRestoreTSDataReload(SSma *pSma) {
   // TODO
@@ -861,7 +869,8 @@ static int32_t tdRSmaQTaskInfoItemRestore(SSma *pSma, const SRSmaQTaskInfoItem *
              pItem->type, terrstr(terrno));
     return TSDB_CODE_FAILED;
   }
-  smaDebug("vgId:%d, restore rsma task success for table:%" PRIi64 " level %d", SMA_VID(pSma), pItem->suid, pItem->type);
+  smaDebug("vgId:%d, restore rsma task success for table:%" PRIi64 " level %d", SMA_VID(pSma), pItem->suid,
+           pItem->type);
 
   return TSDB_CODE_SUCCESS;
 }
@@ -1003,10 +1012,6 @@ static int32_t tdRSmaQTaskInfoRestore(SSma *pSma, SRSmaQTaskInfoIter *pIter) {
   return TSDB_CODE_SUCCESS;
 }
 
-static void tdRSmaQTaskInfoGetFName(int32_t vid, int8_t ftype, char *outputName) {
-  tdGetVndFileName(vid, VNODE_RSMA_DIR, tdQTaskInfoFname[ftype], outputName);
-}
-
 static void *tdRSmaPersistExec(void *param) {
   setThreadName("rsma-task-persist");
   SRSmaStat *pRSmaStat = param;
@@ -1063,7 +1068,7 @@ static void *tdRSmaPersistExec(void *param) {
 
       if (!isFileCreated) {
         char qTaskInfoFName[TSDB_FILENAME_LEN];
-        tdRSmaQTaskInfoGetFName(vid, TD_QTASK_TMP_FILE, qTaskInfoFName);
+        tdRSmaQTaskInfoGetFName(vid, TD_QTASK_TMP_F, qTaskInfoFName);
         tdInitTFile(&tFile, pTfs, qTaskInfoFName);
         tdCreateTFile(&tFile, pTfs, true, -1);
 
@@ -1079,8 +1084,8 @@ static void *tdRSmaPersistExec(void *param) {
 
       ASSERT(headLen <= RSMA_QTASKINFO_HEAD_LEN);
       tdAppendTFile(&tFile, (void *)&tmpBuf, headLen, &toffset);
-      smaDebug("vgId:%d, table %" PRIi64 " level %d head part len:%d appended to offset:%" PRIi64, vid, pRSmaInfo->suid,
-               i + 1, headLen, toffset);
+      smaDebug("vgId:%d, table %" PRIi64 " level %d head part(len:%d) appended to offset:%" PRIi64, vid,
+               pRSmaInfo->suid, i + 1, headLen, toffset);
       tdAppendTFile(&tFile, pOutput, len, &toffset);
       smaDebug("vgId:%d, table %" PRIi64 " level %d body part len:%d appended to offset:%" PRIi64, vid, pRSmaInfo->suid,
                i + 1, len, toffset);
@@ -1106,8 +1111,8 @@ _normal:
 
     char newFName[TSDB_FILENAME_LEN];
     strncpy(newFName, TD_TFILE_FULL_NAME(&tFile), TSDB_FILENAME_LEN);
-    char *pos = strstr(newFName, tdQTaskInfoFname[TD_QTASK_TMP_FILE]);
-    strncpy(pos, tdQTaskInfoFname[TD_QTASK_CUR_FILE], TSDB_FILENAME_LEN - POINTER_DISTANCE(pos, newFName));
+    char *pos = strstr(newFName, tdQTaskInfoFname[TD_QTASK_TMP_F]);
+    strncpy(pos, tdQTaskInfoFname[TD_QTASK_TMP_F], TSDB_FILENAME_LEN - POINTER_DISTANCE(pos, newFName));
     if (taosRenameFile(TD_TFILE_FULL_NAME(&tFile), newFName) != 0) {
       smaError("vgId:%d, failed to rename %s to %s", vid, TD_TFILE_FULL_NAME(&tFile), newFName);
       goto _err;
@@ -1134,6 +1139,7 @@ _end:
     ASSERT(0);
   }
   atomic_store_8(RSMA_RUNNING_STAT(pRSmaStat), 0);
+  taosReleaseRef(smaMgmt.smaRef, pRSmaStat->refId);
   taosThreadExit(NULL);
   return NULL;
 }
@@ -1159,6 +1165,7 @@ static void tdRSmaPersistTask(SRSmaStat *pRSmaStat) {
       ASSERT(0);
     }
     atomic_store_8(RSMA_RUNNING_STAT(pRSmaStat), 0);
+    taosReleaseRef(smaMgmt.smaRef, pRSmaStat->refId);
   }
 
   taosThreadAttrDestroy(&thAttr);
@@ -1171,7 +1178,14 @@ static void tdRSmaPersistTask(SRSmaStat *pRSmaStat) {
  * @param tmrId
  */
 static void tdRSmaPersistTrigger(void *param, void *tmrId) {
-  SRSmaStat *pRSmaStat = param;
+  SRSmaStat *rsmaStat = param;
+  int64_t    refId = rsmaStat->refId;
+
+  SRSmaStat *pRSmaStat = (SRSmaStat *)taosAcquireRef(smaMgmt.smaRef, refId);
+  if (!pRSmaStat) {
+    smaDebug("rsma persistence task not start since already destroyed");
+    return;
+  }
 
   int8_t tmrStat =
       atomic_val_compare_exchange_8(RSMA_TRIGGER_STAT(pRSmaStat), TASK_TRIGGER_STAT_ACTIVE, TASK_TRIGGER_STAT_INACTIVE);
@@ -1191,6 +1205,7 @@ static void tdRSmaPersistTrigger(void *param, void *tmrId) {
       } else {
         atomic_store_8(RSMA_RUNNING_STAT(pRSmaStat), 0);
       }
+      return;
     } break;
     case TASK_TRIGGER_STAT_CANCELLED: {
       atomic_store_8(RSMA_TRIGGER_STAT(pRSmaStat), TASK_TRIGGER_STAT_FINISHED);
@@ -1206,4 +1221,5 @@ static void tdRSmaPersistTrigger(void *param, void *tmrId) {
       smaWarn("rsma persistence not start since unknown stat %" PRIi8, tmrStat);
     } break;
   }
+  taosReleaseRef(smaMgmt.smaRef, refId);
 }
diff --git a/source/dnode/vnode/src/sma/smaUtil.c b/source/dnode/vnode/src/sma/smaUtil.c
index 5f78aadddf..17bc2cdaca 100644
--- a/source/dnode/vnode/src/sma/smaUtil.c
+++ b/source/dnode/vnode/src/sma/smaUtil.c
@@ -141,8 +141,8 @@ int64_t tdAppendTFile(STFile *pTFile, void *buf, int64_t nbyte, int64_t *offset)
   }
 
 #if 1
-  smaDebug("append to file %s, offset:%" PRIi64 " + nbyte:%" PRIi64 " =%" PRIi64, TD_TFILE_FULL_NAME(pTFile), toffset,
-           nbyte, toffset + nbyte);
+  smaDebug("append to file %s, offset:%" PRIi64 " nbyte:%" PRIi64 " fsize:%" PRIi64, TD_TFILE_FULL_NAME(pTFile),
+           toffset, nbyte, toffset + nbyte);
 #endif
 
   ASSERT(pTFile->info.fsize == toffset);
@@ -179,8 +179,8 @@ void tdCloseTFile(STFile *pTFile) {
   }
 }
 
-void tdGetVndFileName(int32_t vid, const char *dname, const char *fname, char *outputName) {
-  snprintf(outputName, TSDB_FILENAME_LEN, "vnode/vnode%d/%s/%s", vid, dname, fname);
+void tdGetVndFileName(int32_t vgId, const char *dname, const char *fname, char *outputName) {
+  snprintf(outputName, TSDB_FILENAME_LEN, "vnode/vnode%d/%s/%s", vgId, dname, fname);
 }
 
 int32_t tdInitTFile(STFile *pTFile, STfs *pTfs, const char *fname) {