diff --git a/src/tsdb/inc/tsdbMain.h b/src/tsdb/inc/tsdbMain.h
index 5045c341d6..fb77975d25 100644
--- a/src/tsdb/inc/tsdbMain.h
+++ b/src/tsdb/inc/tsdbMain.h
@@ -153,17 +153,16 @@ typedef struct {
 } SCacheMem;
 
 typedef struct {
-  int              maxBytes;
   int              cacheBlockSize;
   int              totalCacheBlocks;
   STsdbCachePool   pool;
   STsdbCacheBlock *curBlock;
   SCacheMem *      mem;
   SCacheMem *      imem;
-  TsdbRepoT *    pRepo;
+  TsdbRepoT *      pRepo;
 } STsdbCache;
 
-STsdbCache *tsdbInitCache(int maxBytes, int cacheBlockSize, TsdbRepoT *pRepo);
+STsdbCache *tsdbInitCache(int cacheBlockSize, int totalBlocks, TsdbRepoT *pRepo);
 void        tsdbFreeCache(STsdbCache *pCache);
 void *      tsdbAllocFromCache(STsdbCache *pCache, int bytes, TSKEY key);
 
diff --git a/src/tsdb/src/tsdbCache.c b/src/tsdb/src/tsdbCache.c
index 3e241773ed..9351bc602b 100644
--- a/src/tsdb/src/tsdbCache.c
+++ b/src/tsdb/src/tsdbCache.c
@@ -21,29 +21,25 @@ static int  tsdbAllocBlockFromPool(STsdbCache *pCache);
 static void tsdbFreeBlockList(SList *list);
 static void tsdbFreeCacheMem(SCacheMem *mem);
 
-STsdbCache *tsdbInitCache(int maxBytes, int cacheBlockSize, TsdbRepoT *pRepo) {
+STsdbCache *tsdbInitCache(int cacheBlockSize, int totalBlocks, TsdbRepoT *pRepo) {
   STsdbCache *pCache = (STsdbCache *)calloc(1, sizeof(STsdbCache));
   if (pCache == NULL) return NULL;
 
   if (cacheBlockSize < 0) cacheBlockSize = TSDB_DEFAULT_CACHE_BLOCK_SIZE;
   cacheBlockSize *= (1024 * 1024);
 
-  if (maxBytes < 0) maxBytes = cacheBlockSize * TSDB_DEFAULT_TOTAL_BLOCKS;
+  if (totalBlocks <= 1) totalBlocks = TSDB_DEFAULT_TOTAL_BLOCKS;
 
-  pCache->maxBytes = maxBytes;
   pCache->cacheBlockSize = cacheBlockSize;
+  pCache->totalCacheBlocks = totalBlocks;
   pCache->pRepo = pRepo;
 
-  int nBlocks = maxBytes / cacheBlockSize + 1;
-  if (nBlocks <= 1) nBlocks = 2;
-  pCache->totalCacheBlocks = nBlocks;
-
   STsdbCachePool *pPool = &(pCache->pool);
   pPool->index = 0;
   pPool->memPool = tdListNew(sizeof(STsdbCacheBlock *));
   if (pPool->memPool == NULL) goto _err;
 
-  for (int i = 0; i < nBlocks; i++) {
+  for (int i = 0; i < totalBlocks; i++) {
     STsdbCacheBlock *pBlock = (STsdbCacheBlock *)malloc(sizeof(STsdbCacheBlock) + cacheBlockSize);
     if (pBlock == NULL) {
       goto _err;
diff --git a/src/tsdb/src/tsdbMain.c b/src/tsdb/src/tsdbMain.c
index 435a4385de..dd90a120ca 100644
--- a/src/tsdb/src/tsdbMain.c
+++ b/src/tsdb/src/tsdbMain.c
@@ -203,7 +203,7 @@ TsdbRepoT *tsdbOpenRepo(char *tsdbDir, STsdbAppH *pAppH) {
     return NULL;
   }
 
-  pRepo->tsdbCache = tsdbInitCache(-1, -1, (TsdbRepoT *)pRepo);
+  pRepo->tsdbCache = tsdbInitCache(pRepo->config.cacheBlockSize, pRepo->config.totalBlocks, (TsdbRepoT *)pRepo);
   if (pRepo->tsdbCache == NULL) {
     tsdbFreeMeta(pRepo->tsdbMeta);
     free(pRepo->rootDir);
diff --git a/src/vnode/src/vnodeMain.c b/src/vnode/src/vnodeMain.c
index 2e31b72e8b..1302ceaff4 100644
--- a/src/vnode/src/vnodeMain.c
+++ b/src/vnode/src/vnodeMain.c
@@ -96,14 +96,16 @@ int32_t vnodeCreate(SMDCreateVnodeMsg *pVnodeCfg) {
   }
 
   STsdbCfg tsdbCfg = {0};
-  tsdbCfg.precision           = pVnodeCfg->cfg.precision;
-  tsdbCfg.compression         = pVnodeCfg->cfg.compression;;
   tsdbCfg.tsdbId              = pVnodeCfg->cfg.vgId;
+  tsdbCfg.cacheBlockSize      = pVnodeCfg->cfg.cacheBlockSize;
+  tsdbCfg.totalBlocks         = pVnodeCfg->cfg.totalBlocks;
   tsdbCfg.maxTables           = pVnodeCfg->cfg.maxTables;
   tsdbCfg.daysPerFile         = pVnodeCfg->cfg.daysPerFile;
+  tsdbCfg.keep                = pVnodeCfg->cfg.daysToKeep;
   tsdbCfg.minRowsPerFileBlock = pVnodeCfg->cfg.minRowsPerFileBlock;
   tsdbCfg.maxRowsPerFileBlock = pVnodeCfg->cfg.maxRowsPerFileBlock;
-  tsdbCfg.keep                = pVnodeCfg->cfg.daysToKeep;
+  tsdbCfg.precision           = pVnodeCfg->cfg.precision;
+  tsdbCfg.compression         = pVnodeCfg->cfg.compression;;
   
   char tsdbDir[TSDB_FILENAME_LEN] = {0};
   sprintf(tsdbDir, "%s/vnode%d/tsdb", tsVnodeDir, pVnodeCfg->cfg.vgId);