diff --git a/include/common/taosdef.h b/include/common/taosdef.h
index 1fbbb3f159..85d11be817 100644
--- a/include/common/taosdef.h
+++ b/include/common/taosdef.h
@@ -71,13 +71,19 @@ typedef enum {
   TSDB_SMA_STAT_DROPPED = 2,   // sma dropped
 } ETsdbSmaStat;                // bit operation
 
-
 typedef enum {
   TSDB_SMA_TYPE_BLOCK = 0,       // Block-wise SMA
   TSDB_SMA_TYPE_TIME_RANGE = 1,  // Time-range-wise SMA
   TSDB_SMA_TYPE_ROLLUP = 2,      // Rollup SMA
 } ETsdbSmaType;
 
+typedef enum {
+  TSDB_RSMA_RETENTION_0 = 0,
+  TSDB_RSMA_RETENTION_1 = 1,
+  TSDB_RSMA_RETENTION_2 = 2,
+  TSDB_RSMA_RETENTION_MAX = 3
+} ERSmaRetention;
+
 extern char *qtypeStr[];
 
 #define TSDB_PORT_HTTP      11
diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c b/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
index f01b6b6425..b63a7f5b32 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
@@ -112,7 +112,9 @@ static void vmGenerateVnodeCfg(SCreateVnodeReq *pCreate, SVnodeCfg *pCfg) {
   pCfg->tsdbCfg.keep2 = 3650;
   pCfg->tsdbCfg.keep0 = 3650;
   pCfg->tsdbCfg.keep1 = 3650;
-  pCfg->tsdbCfg.retentions = pCreate->pRetensions;
+  for (size_t i = 0; i < taosArrayGetSize(pCreate->pRetensions); ++i) {
+    memcpy(&pCfg->tsdbCfg.retentions[i], taosArrayGet(pCreate->pRetensions, i), sizeof(SRetention));
+  }
   pCfg->walCfg.vgId = pCreate->vgId;
   pCfg->hashBegin = pCreate->hashBegin;
   pCfg->hashEnd = pCreate->hashEnd;
diff --git a/source/dnode/vnode/inc/vnode.h b/source/dnode/vnode/inc/vnode.h
index 5adbc5d6c1..daf8c4f339 100644
--- a/source/dnode/vnode/inc/vnode.h
+++ b/source/dnode/vnode/inc/vnode.h
@@ -37,7 +37,7 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-
+#define TSDB_VNODE_SMA_DEBUG  // TODO: evaluate to remove the macro and the relative codes
 // vnode
 typedef struct SVnode    SVnode;
 typedef struct STsdbCfg  STsdbCfg;  // todo: remove
@@ -143,9 +143,19 @@ struct STsdbCfg {
   int32_t keep0;
   int32_t keep1;
   int32_t keep2;
-  SArray *retentions;
+  // TODO: save to tsdb cfg file
+  int8_t     type;  // ETsdbType
+  SRetention retentions[TSDB_RSMA_RETENTION_MAX];
 };
 
+typedef enum {
+  TSDB_TYPE_TSDB = 0,     // TSDB
+  TSDB_TYPE_TSMA = 1,     // TSMA
+  TSDB_TYPE_RSMA_L0 = 2,  // RSMA Level 0
+  TSDB_TYPE_RSMA_L1 = 3,  // RSMA Level 1
+  TSDB_TYPE_RSMA_L2 = 4,  // RSMA Level 2
+} ETsdbType;
+
 struct SVnodeCfg {
   int32_t  vgId;
   char     dbname[TSDB_DB_NAME_LEN];
diff --git a/source/dnode/vnode/src/inc/vnodeInt.h b/source/dnode/vnode/src/inc/vnodeInt.h
index b58248d091..5930dcaf96 100644
--- a/source/dnode/vnode/src/inc/vnodeInt.h
+++ b/source/dnode/vnode/src/inc/vnodeInt.h
@@ -54,10 +54,13 @@ typedef struct SVState      SVState;
 typedef struct SVBufPool    SVBufPool;
 typedef struct SQWorker SQHandle;
 
-#define VNODE_META_DIR "meta"
-#define VNODE_TSDB_DIR "tsdb"
-#define VNODE_TQ_DIR   "tq"
-#define VNODE_WAL_DIR  "wal"
+#define VNODE_META_DIR  "meta"
+#define VNODE_TSDB_DIR  "tsdb"
+#define VNODE_TQ_DIR    "tq"
+#define VNODE_WAL_DIR   "wal"
+#define VNODE_TSMA_DIR  "tsma"
+#define VNODE_RSMA1_DIR "rsma1"
+#define VNODE_RSMA2_DIR "rsma2"
 
 // vnd.h
 void* vnodeBufPoolMalloc(SVBufPool* pPool, int size);
@@ -88,7 +91,7 @@ int32_t         metaCreateTSma(SMeta* pMeta, SSmaCfg* pCfg);
 int32_t         metaDropTSma(SMeta* pMeta, int64_t indexUid);
 
 // tsdb
-int          tsdbOpen(SVnode* pVnode, STsdb** ppTsdb);
+int          tsdbOpen(SVnode* pVnode, int8_t type);
 int          tsdbClose(STsdb* pTsdb);
 int          tsdbBegin(STsdb* pTsdb);
 int          tsdbCommit(STsdb* pTsdb);
@@ -161,6 +164,8 @@ struct SVnode {
   SVBufPool* onRecycle;
   SMeta*     pMeta;
   STsdb*     pTsdb;
+  STsdb*     pRSma1;
+  STsdb*     pRSma2;
   SWal*      pWal;
   STQ*       pTq;
   SSink*     pSink;
@@ -169,6 +174,11 @@ struct SVnode {
   SQHandle*  pQuery;
 };
 
+#define VND_TSDB(vnd)  ((vnd)->pTsdb)
+#define VND_RSMA0(vnd) ((vnd)->pTsdb)
+#define VND_RSMA1(vnd) ((vnd)->pRSma1)
+#define VND_RSMA2(vnd) ((vnd)->pRSma2)
+
 struct STbUidStore {
   tb_uid_t  suid;
   SArray*   tbUids;
@@ -177,7 +187,11 @@ struct STbUidStore {
 
 #define TD_VID(PVNODE) (PVNODE)->config.vgId
 
-// typedef struct STbDdlH STbDdlH;
+
+static FORCE_INLINE bool tsdbIsRollup(SVnode* pVnode) {
+  SRetention* pRetention = &(pVnode->config.tsdbCfg.retentions[0]);
+  return (pRetention->freq > 0 && pRetention->keep > 0);
+}
 
 // sma
 void smaHandleRes(void* pVnode, int64_t smaId, const SArray* data);
diff --git a/source/dnode/vnode/src/tsdb/tsdbOpen.c b/source/dnode/vnode/src/tsdb/tsdbOpen.c
index e3580958f6..0827ba6eab 100644
--- a/source/dnode/vnode/src/tsdb/tsdbOpen.c
+++ b/source/dnode/vnode/src/tsdb/tsdbOpen.c
@@ -15,12 +15,34 @@
 
 #include "tsdb.h"
 
-int tsdbOpen(SVnode *pVnode, STsdb **ppTsdb) {
+static int tsdbOpenImpl(SVnode *pVnode, int8_t type, STsdb **ppTsdb, const char *dir);
+
+int tsdbOpen(SVnode *pVnode, int8_t type) {
+  switch (type) {
+    case TSDB_TYPE_TSDB:
+      return tsdbOpenImpl(pVnode, type, &VND_TSDB(pVnode), VNODE_TSDB_DIR);
+    case TSDB_TYPE_TSMA:
+      ASSERT(0);
+      break;
+    case TSDB_TYPE_RSMA_L0:
+      return tsdbOpenImpl(pVnode, type, &VND_RSMA0(pVnode), VNODE_TSDB_DIR);
+    case TSDB_TYPE_RSMA_L1:
+      return tsdbOpenImpl(pVnode, type, &VND_RSMA1(pVnode), VNODE_RSMA1_DIR);
+    case TSDB_TYPE_RSMA_L2:
+      return tsdbOpenImpl(pVnode, type, &VND_RSMA2(pVnode), VNODE_RSMA2_DIR);
+    default:
+      ASSERT(0);
+      break;
+  }
+  return 0;
+}
+
+int tsdbOpenImpl(SVnode *pVnode, int8_t type, STsdb **ppTsdb, const char *dir) {
   STsdb *pTsdb = NULL;
   int    slen = 0;
 
   *ppTsdb = NULL;
-  slen = strlen(tfsGetPrimaryPath(pVnode->pTfs)) + strlen(pVnode->path) + strlen(VNODE_TSDB_DIR) + 3;
+  slen = strlen(tfsGetPrimaryPath(pVnode->pTfs)) + strlen(pVnode->path) + strlen(dir) + 3;
 
   // create handle
   pTsdb = (STsdb *)taosMemoryCalloc(1, sizeof(*pTsdb) + slen);
@@ -31,7 +53,7 @@ int tsdbOpen(SVnode *pVnode, STsdb **ppTsdb) {
 
   pTsdb->path = (char *)&pTsdb[1];
   sprintf(pTsdb->path, "%s%s%s%s%s", tfsGetPrimaryPath(pVnode->pTfs), TD_DIRSEP, pVnode->path, TD_DIRSEP,
-          VNODE_TSDB_DIR);
+          dir);
   pTsdb->pVnode = pVnode;
   pTsdb->repoLocked = false;
   taosThreadMutexInit(&pTsdb->mutex, NULL);
@@ -45,7 +67,7 @@ int tsdbOpen(SVnode *pVnode, STsdb **ppTsdb) {
     goto _err;
   }
 
-  tsdbDebug("vgId:%d tsdb is opened", TD_VID(pVnode));
+  tsdbDebug("vgId: %d tsdb is opened for %s", TD_VID(pVnode), pTsdb->path);
 
   *ppTsdb = pTsdb;
   return 0;
diff --git a/source/dnode/vnode/src/tsdb/tsdbSma.c b/source/dnode/vnode/src/tsdb/tsdbSma.c
index 08f603c960..d131cef8a2 100644
--- a/source/dnode/vnode/src/tsdb/tsdbSma.c
+++ b/source/dnode/vnode/src/tsdb/tsdbSma.c
@@ -103,10 +103,9 @@ typedef struct {
   STSma    *pSma;            // cache schema
 } SSmaStatItem;
 
-#define RSMA_MAX_LEVEL           2
 #define RSMA_TASK_INFO_HASH_SLOT 8
 struct SRSmaInfo {
-  void *taskInfo[RSMA_MAX_LEVEL];  // qTaskInfo_t
+  void *taskInfo[TSDB_RSMA_RETENTION_2];  // qTaskInfo_t
 };
 
 struct SSmaStat {
@@ -128,7 +127,7 @@ static FORCE_INLINE void tsdbFreeTaskHandle(qTaskInfo_t *taskHandle) {
 }
 
 static FORCE_INLINE void *tsdbFreeRSmaInfo(SRSmaInfo *pInfo) {
-  for (int32_t i = 0; i < RSMA_MAX_LEVEL; ++i) {
+  for (int32_t i = 0; i < TSDB_RSMA_RETENTION_MAX; ++i) {
     if (pInfo->taskInfo[i]) {
       tsdbFreeTaskHandle(pInfo->taskInfo[i]);
     }
diff --git a/source/dnode/vnode/src/vnd/vnodeCfg.c b/source/dnode/vnode/src/vnd/vnodeCfg.c
index 1f870884b0..8130a00e04 100644
--- a/source/dnode/vnode/src/vnd/vnodeCfg.c
+++ b/source/dnode/vnode/src/vnd/vnodeCfg.c
@@ -66,6 +66,28 @@ int vnodeEncodeConfig(const void *pObj, SJson *pJson) {
   if (tjsonAddIntegerToObject(pJson, "keep0", pCfg->tsdbCfg.keep0) < 0) return -1;
   if (tjsonAddIntegerToObject(pJson, "keep1", pCfg->tsdbCfg.keep1) < 0) return -1;
   if (tjsonAddIntegerToObject(pJson, "keep2", pCfg->tsdbCfg.keep2) < 0) return -1;
+#ifdef TSDB_VNODE_SMA_DEBUG
+  if (pCfg->tsdbCfg.retentions[0].freq > 0) {
+    int32_t nRetention = 1;
+    if (pCfg->tsdbCfg.retentions[1].freq > 0) {
+      ++nRetention;
+      if (pCfg->tsdbCfg.retentions[2].freq > 0) {
+        ++nRetention;
+      }
+    }
+    SJson *pNodeRetentions = tjsonCreateArray();
+    tjsonAddItemToObject(pJson, "retentions", pNodeRetentions);
+    for (int32_t i = 0; i < nRetention; ++i) {
+      SJson      *pNodeRetention = tjsonCreateObject();
+      const SRetention *pRetention = pCfg->tsdbCfg.retentions + i;
+      tjsonAddIntegerToObject(pNodeRetention, "freq", pRetention->freq);
+      tjsonAddIntegerToObject(pNodeRetention, "freqUnit", pRetention->freqUnit);
+      tjsonAddIntegerToObject(pNodeRetention, "keep", pRetention->keep);
+      tjsonAddIntegerToObject(pNodeRetention, "keepUnit", pRetention->keepUnit);
+      tjsonAddItemToArray(pNodeRetentions, pNodeRetention);
+    }
+  }
+#endif
   if (tjsonAddIntegerToObject(pJson, "wal.vgId", pCfg->walCfg.vgId) < 0) return -1;
   if (tjsonAddIntegerToObject(pJson, "wal.fsyncPeriod", pCfg->walCfg.fsyncPeriod) < 0) return -1;
   if (tjsonAddIntegerToObject(pJson, "wal.retentionPeriod", pCfg->walCfg.retentionPeriod) < 0) return -1;
@@ -113,6 +135,20 @@ int vnodeDecodeConfig(const SJson *pJson, void *pObj) {
   if (tjsonGetNumberValue(pJson, "keep0", pCfg->tsdbCfg.keep0) < 0) return -1;
   if (tjsonGetNumberValue(pJson, "keep1", pCfg->tsdbCfg.keep1) < 0) return -1;
   if (tjsonGetNumberValue(pJson, "keep2", pCfg->tsdbCfg.keep2) < 0) return -1;
+#ifdef TSDB_VNODE_SMA_DEBUG
+  SJson *pNodeRetentions = tjsonGetObjectItem(pJson, "retentions");
+  int    nRetention = tjsonGetArraySize(pNodeRetentions);
+  ASSERT(nRetention <= TSDB_RSMA_RETENTION_MAX);
+
+  for (int32_t i = 0; i < nRetention; ++i) {
+    SJson *pNodeRetention = tjsonGetArrayItem(pNodeRetentions, i);
+    ASSERT(pNodeRetention != NULL);
+    tjsonGetNumberValue(pNodeRetention, "freq", (pCfg->tsdbCfg.retentions)[i].freq);
+    tjsonGetNumberValue(pNodeRetention, "freqUnit", (pCfg->tsdbCfg.retentions)[i].freqUnit);
+    tjsonGetNumberValue(pNodeRetention, "keep", (pCfg->tsdbCfg.retentions)[i].keep);
+    tjsonGetNumberValue(pNodeRetention, "keepUnit", (pCfg->tsdbCfg.retentions)[i].keepUnit);
+  }
+#endif
   if (tjsonGetNumberValue(pJson, "wal.vgId", pCfg->walCfg.vgId) < 0) return -1;
   if (tjsonGetNumberValue(pJson, "wal.fsyncPeriod", pCfg->walCfg.fsyncPeriod) < 0) return -1;
   if (tjsonGetNumberValue(pJson, "wal.retentionPeriod", pCfg->walCfg.retentionPeriod) < 0) return -1;
diff --git a/source/dnode/vnode/src/vnd/vnodeOpen.c b/source/dnode/vnode/src/vnd/vnodeOpen.c
index 63f55fddfd..3737bcfe3b 100644
--- a/source/dnode/vnode/src/vnd/vnodeOpen.c
+++ b/source/dnode/vnode/src/vnd/vnodeOpen.c
@@ -96,9 +96,26 @@ SVnode *vnodeOpen(const char *path, STfs *pTfs, SMsgCb msgCb) {
   }
 
   // open tsdb
-  if (tsdbOpen(pVnode, &pVnode->pTsdb) < 0) {
-    vError("vgId:%d failed to open vnode tsdb since %s", TD_VID(pVnode), tstrerror(terrno));
-    goto _err;
+  if (tsdbIsRollup(pVnode)) {
+    if (tsdbOpen(pVnode, TSDB_TYPE_RSMA_L0) < 0) {
+      vError("vgId: %d failed to open vnode rsma0 since %s", TD_VID(pVnode), tstrerror(terrno));
+      goto _err;
+    }
+
+    if (tsdbOpen(pVnode, TSDB_TYPE_RSMA_L1) < 0) {
+      vError("vgId: %d failed to open vnode rsma1 since %s", TD_VID(pVnode), tstrerror(terrno));
+      goto _err;
+    }
+
+    if (tsdbOpen(pVnode, TSDB_TYPE_RSMA_L2) < 0) {
+      vError("vgId: %d failed to open vnode rsma2 since %s", TD_VID(pVnode), tstrerror(terrno));
+      goto _err;
+    }
+  } else {
+    if (tsdbOpen(pVnode, TSDB_TYPE_TSDB) < 0) {
+      vError("vgId: %d failed to open vnode tsdb since %s", TD_VID(pVnode), tstrerror(terrno));
+      goto _err;
+    }
   }
 
   // open wal
@@ -143,6 +160,8 @@ _err:
   if (pVnode->pWal) walClose(pVnode->pWal);
   if (pVnode->pTsdb) tsdbClose(pVnode->pTsdb);
   if (pVnode->pMeta) metaClose(pVnode->pMeta);
+    tsdbClose(VND_RSMA1(pVnode));
+    tsdbClose(VND_RSMA2(pVnode));
   tsem_destroy(&(pVnode->canCommit));
   taosMemoryFree(pVnode);
   return NULL;
@@ -155,7 +174,9 @@ void vnodeClose(SVnode *pVnode) {
     vnodeQueryClose(pVnode);
     walClose(pVnode->pWal);
     tqClose(pVnode->pTq);
-    tsdbClose(pVnode->pTsdb);
+    tsdbClose(VND_TSDB(pVnode));
+    tsdbClose(VND_RSMA1(pVnode));
+    tsdbClose(VND_RSMA2(pVnode));
     metaClose(pVnode->pMeta);
     vnodeCloseBufPool(pVnode);
     // destroy handle