diff --git a/include/common/trow.h b/include/common/trow.h
index 7186505e03..cff0f08302 100644
--- a/include/common/trow.h
+++ b/include/common/trow.h
@@ -18,6 +18,7 @@
 
 #include "os.h"
 #include "tbuffer.h"
+#include "tdataformat.h"
 #include "tdef.h"
 #include "tschema.h"
 
@@ -91,8 +92,8 @@ typedef struct {
 } SRowBuilder;
 
 typedef struct {
-  SSchema *pSchema;
-  SRow *   pRow;
+  STSchema *pSchema;
+  SRow *    pRow;
 } SRowReader;
 
 typedef struct {
diff --git a/include/common/tschema.h b/include/common/tschema.h
index 59a858bbb7..4063758043 100644
--- a/include/common/tschema.h
+++ b/include/common/tschema.h
@@ -25,7 +25,8 @@ extern "C" {
 
 typedef uint16_t col_id_t;
 
-typedef struct SColumn {
+#if 0
+typedef struct STColumn {
   /// column name
   char *cname;
   union {
@@ -45,9 +46,9 @@ typedef struct SColumn {
   };
   /// comment about the column
   char *comment;
-} SColumn;
+} STColumn;
 
-typedef struct SSchema {
+typedef struct STSchema {
   /// schema version
   uint16_t sver;
   /// number of columns
@@ -58,20 +59,22 @@ typedef struct SSchema {
     SArray *smaArray;
   };
   /// column info
-  SColumn cols[];
-} SSchema;
+  STColumn cols[];
+} STSchema;
 
 typedef struct {
-  uint64_t size;
-  SSchema *pSchema;
-} SShemaBuilder;
+  uint64_t  size;
+  STSchema *pSchema;
+} STShemaBuilder;
 
 #define tSchemaBuilderInit(target, capacity) \
   { .size = (capacity), .pSchema = (target) }
-void tSchemaBuilderSetSver(SShemaBuilder *pSchemaBuilder, uint16_t sver);
+void tSchemaBuilderSetSver(STShemaBuilder *pSchemaBuilder, uint16_t sver);
 void tSchemaBuilderSetSMA(bool sma, SArray *smaArray);
 int  tSchemaBuilderPutColumn(char *cname, bool sma, uint8_t type, col_id_t cid, uint32_t bytes, char *comment);
 
+#endif
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/dnode/vnode/meta/impl/metaImpl.h b/include/dnode/vnode/meta/impl/metaImpl.h
deleted file mode 100644
index 90ced02f30..0000000000
--- a/include/dnode/vnode/meta/impl/metaImpl.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
- *
- * This program is free software: you can use, redistribute, and/or modify
- * it under the terms of the GNU Affero General Public License, version 3
- * or later ("AGPL"), as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _TD_META_IMPL_H_
-#define _TD_META_IMPL_H_
-
-#include "os.h"
-
-#include "taosmsg.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-typedef uint64_t tb_uid_t;
-
-/* ------------------------ SMetaOptions ------------------------ */
-struct SMetaOptions {
-  size_t lruCacheSize;  // LRU cache size
-};
-
-/* ------------------------ STbOptions ------------------------ */
-#define META_NORMAL_TABLE ((uint8_t)1)
-#define META_SUPER_TABLE ((uint8_t)2)
-#define META_CHILD_TABLE ((uint8_t)3)
-
-typedef struct {
-} SSMAOptions;
-
-// super table options
-typedef struct {
-  tb_uid_t  uid;
-  STSchema* pSchema;
-  STSchema* pTagSchema;
-} SSTbOptions;
-
-// child table options
-typedef struct {
-  tb_uid_t suid;
-  SKVRow   tags;
-} SCTbOptions;
-
-// normal table options
-typedef struct {
-  STSchema* pSchame;
-} SNTbOptions;
-
-struct STbOptions {
-  uint8_t     type;
-  char*       name;
-  uint32_t    ttl;   // time to live in (SECONDS)
-  SSMAOptions bsma;  // Block-wise sma
-  union {
-    SSTbOptions stbOptions;
-    SNTbOptions ntbOptions;
-    SCTbOptions ctbOptions;
-  };
-};
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /*_TD_META_IMPL_H_*/
\ No newline at end of file
diff --git a/include/dnode/vnode/meta/meta.h b/include/dnode/vnode/meta/meta.h
index 92c44ec4ae..09539cb287 100644
--- a/include/dnode/vnode/meta/meta.h
+++ b/include/dnode/vnode/meta/meta.h
@@ -16,38 +16,75 @@
 #ifndef _TD_META_H_
 #define _TD_META_H_
 
-#include "impl/metaImpl.h"
+#include "os.h"
+#include "trow.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 // Types exported
-typedef struct SMeta        SMeta;
-typedef struct SMetaOptions SMetaOptions;
-typedef struct STbOptions   STbOptions;
+typedef uint64_t     tb_uid_t;
+typedef struct SMeta SMeta;
+
+typedef struct SMetaCfg {
+  /// LRU cache size
+  uint64_t lruSize;
+} SMetaCfg;
+
+typedef struct STbCfg {
+  /// name of the table
+  char *name;
+  /// time to live of the table
+  uint32_t ttl;
+  /// type of table
+  uint8_t type;
+  union {
+    /// super table configurations
+    struct {
+      /// super table UID
+      tb_uid_t suid;
+      /// row schema
+      STSchema *pSchema;
+      /// tag schema
+      STSchema *pTagSchema;
+    } stbCfg;
+
+    /// normal table configuration
+    struct {
+      /// row schema
+      STSchema *pSchema;
+    } ntbCfg;
+    /// child table configuration
+    struct {
+      /// super table UID
+      tb_uid_t suid;
+      SRow *   pTag;
+    } ctbCfg;
+  };
+} STbCfg;
 
 // SMeta operations
-SMeta *metaOpen(const char *path, const SMetaOptions *pOptions);
+SMeta *metaOpen(const char *path, const SMetaCfg *pOptions);
 void   metaClose(SMeta *pMeta);
 void   metaRemove(const char *path);
-int    metaCreateTable(SMeta *pMeta, const STbOptions *pTbOptions);
+int    metaCreateTable(SMeta *pMeta, const STbCfg *pTbOptions);
 int    metaDropTable(SMeta *pMeta, tb_uid_t uid);
 int    metaCommit(SMeta *pMeta);
 
 // Options
-void metaOptionsInit(SMetaOptions *pOptions);
-void metaOptionsClear(SMetaOptions *pOptions);
+void metaOptionsInit(SMetaCfg *pOptions);
+void metaOptionsClear(SMetaCfg *pOptions);
 
 // STableOpts
-#define META_TABLE_OPTS_DECLARE(name) STableOpts name = {0}
-void        metaNormalTableOptsInit(STbOptions *pTbOptions, const char *name, const STSchema *pSchema);
-void        metaSuperTableOptsInit(STbOptions *pTbOptions, const char *name, tb_uid_t uid, const STSchema *pSchema,
-                                   const STSchema *pTagSchema);
-void        metaChildTableOptsInit(STbOptions *pTbOptions, const char *name, tb_uid_t suid, const SKVRow tags);
-void        metaTableOptsClear(STbOptions *pTbOptions);
-uint64_t    metaEncodeTbOptions(void **pBuf, STbOptions *pTbOptions);
-STbOptions *metaDecodeTbOptions(void *pBuf, size_t size, bool endian);
+// #define META_TABLE_OPTS_DECLARE(name) STableOpts name = {0}
+// void     metaNormalTableOptsInit(STbCfg *pTbOptions, const char *name, const STSchema *pSchema);
+// void     metaSuperTableOptsInit(STbCfg *pTbOptions, const char *name, tb_uid_t uid, const STSchema *pSchema,
+//                                 const STSchema *pTagSchema);
+// void     metaChildTableOptsInit(STbCfg *pTbOptions, const char *name, tb_uid_t suid, const SKVRow tags);
+// void     metaTableOptsClear(STbCfg *pTbOptions);
+// uint64_t metaEncodeTbOptions(void **pBuf, STbCfg *pTbOptions);
+// STbCfg * metaDecodeTbOptions(void *pBuf, size_t size, bool endian);
 
 #ifdef __cplusplus
 }
diff --git a/include/dnode/vnode/vnode.h b/include/dnode/vnode/vnode.h
index 52470d60a9..507cd84a1d 100644
--- a/include/dnode/vnode/vnode.h
+++ b/include/dnode/vnode/vnode.h
@@ -29,8 +29,8 @@ extern "C" {
 #endif
 
 /* ------------------------ TYPES EXPOSED ------------------------ */
-typedef struct SVnode        SVnode;
-typedef struct SVnodeOptions SVnodeOptions;
+typedef struct SVnode    SVnode;
+typedef struct SVnodeCfg SVnodeCfg;
 
 /* ------------------------ SVnode ------------------------ */
 /**
@@ -40,7 +40,7 @@ typedef struct SVnodeOptions SVnodeOptions;
  * @param pVnodeOptions options of the vnode
  * @return SVnode* The vnode object
  */
-SVnode *vnodeOpen(const char *path, const SVnodeOptions *pVnodeOptions);
+SVnode *vnodeOpen(const char *path, const SVnodeCfg *pVnodeOptions);
 
 /**
  * @brief Close a VNODE
@@ -85,23 +85,23 @@ int vnodeApplyWMsg(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp);
  */
 int vnodeProcessSyncReq(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp);
 
-/* ------------------------ SVnodeOptions ------------------------ */
+/* ------------------------ SVnodeCfg ------------------------ */
 /**
  * @brief Initialize VNODE options.
  *
  * @param pOptions The options object to be initialized. It should not be NULL.
  */
-void vnodeOptionsInit(SVnodeOptions *pOptions);
+void vnodeOptionsInit(SVnodeCfg *pOptions);
 
 /**
  * @brief Clear VNODE options.
  *
  * @param pOptions Options to clear.
  */
-void vnodeOptionsClear(SVnodeOptions *pOptions);
+void vnodeOptionsClear(SVnodeCfg *pOptions);
 
 /* ------------------------ STRUCT DEFINITIONS ------------------------ */
-struct SVnodeOptions {
+struct SVnodeCfg {
   /**
    * @brief write buffer size in BYTES
    *
@@ -137,7 +137,7 @@ struct SVnodeOptions {
    * @brief META options
    *
    */
-  SMetaOptions metaOptions;
+  SMetaCfg metaOptions;
   // STqOptions   tqOptions; // TODO
 };
 
@@ -148,27 +148,27 @@ struct SVnodeOptions {
 #include "taosmsg.h"
 #include "trpc.h"
 
-typedef struct {
-  char     db[TSDB_FULL_DB_NAME_LEN];
-  int32_t  cacheBlockSize;  // MB
-  int32_t  totalBlocks;
-  int32_t  daysPerFile;
-  int32_t  daysToKeep0;
-  int32_t  daysToKeep1;
-  int32_t  daysToKeep2;
-  int32_t  minRowsPerFileBlock;
-  int32_t  maxRowsPerFileBlock;
-  int8_t   precision;  // time resolution
-  int8_t   compression;
-  int8_t   cacheLastRow;
-  int8_t   update;
-  int8_t   quorum;
-  int8_t   replica;
-  int8_t   selfIndex;
-  int8_t   walLevel;
-  int32_t  fsyncPeriod;  // millisecond
-  SReplica replicas[TSDB_MAX_REPLICA];
-} SVnodeCfg;
+// typedef struct {
+//   char     db[TSDB_FULL_DB_NAME_LEN];
+//   int32_t  cacheBlockSize;  // MB
+//   int32_t  totalBlocks;
+//   int32_t  daysPerFile;
+//   int32_t  daysToKeep0;
+//   int32_t  daysToKeep1;
+//   int32_t  daysToKeep2;
+//   int32_t  minRowsPerFileBlock;
+//   int32_t  maxRowsPerFileBlock;
+//   int8_t   precision;  // time resolution
+//   int8_t   compression;
+//   int8_t   cacheLastRow;
+//   int8_t   update;
+//   int8_t   quorum;
+//   int8_t   replica;
+//   int8_t   selfIndex;
+//   int8_t   walLevel;
+//   int32_t  fsyncPeriod;  // millisecond
+//   SReplica replicas[TSDB_MAX_REPLICA];
+// } SVnodeCfg;
 
 typedef enum {
   VN_MSG_TYPE_WRITE = 1,
diff --git a/source/dnode/mgmt/src/dnodeVnodes.c b/source/dnode/mgmt/src/dnodeVnodes.c
index 4ec9e1dc60..36a8060161 100644
--- a/source/dnode/mgmt/src/dnodeVnodes.c
+++ b/source/dnode/mgmt/src/dnodeVnodes.c
@@ -15,8 +15,8 @@
 
 #define _DEFAULT_SOURCE
 #include "dnodeVnodes.h"
-#include "dnodeTransport.h"
 #include "cJSON.h"
+#include "dnodeTransport.h"
 #include "thash.h"
 #include "tlockfree.h"
 #include "tqueue.h"
@@ -30,7 +30,7 @@ typedef struct {
   int32_t    refCount;
   int8_t     dropped;
   int8_t     accessState;
-  SVnode    *pImpl;
+  SVnode *   pImpl;
   taos_queue pWriteQ;
   taos_queue pSyncQ;
   taos_queue pApplyQ;
@@ -48,14 +48,14 @@ typedef struct {
 } SVThread;
 
 static struct {
-  SHashObj    *hash;
+  SHashObj *   hash;
   SWorkerPool  mgmtPool;
   SWorkerPool  queryPool;
   SWorkerPool  fetchPool;
   SMWorkerPool syncPool;
   SMWorkerPool writePool;
   taos_queue   pMgmtQ;
-  SSteps      *pSteps;
+  SSteps *     pSteps;
   int32_t      openVnodes;
   int32_t      totalVnodes;
   SRWLatch     latch;
@@ -169,7 +169,7 @@ static SVnodeObj **dnodeGetVnodesFromHash(int32_t *numOfVnodes) {
   void *pIter = taosHashIterate(tsVnodes.hash, NULL);
   while (pIter) {
     SVnodeObj **ppVnode = pIter;
-    SVnodeObj  *pVnode = *ppVnode;
+    SVnodeObj * pVnode = *ppVnode;
     if (pVnode) {
       num++;
       if (num < size) {
@@ -191,14 +191,14 @@ static int32_t dnodeGetVnodesFromFile(SVnodeObj **ppVnodes, int32_t *numOfVnodes
   int32_t    code = TSDB_CODE_DND_PARSE_VNODE_FILE_ERROR;
   int32_t    len = 0;
   int32_t    maxLen = 30000;
-  char      *content = calloc(1, maxLen + 1);
-  cJSON     *root = NULL;
-  FILE      *fp = NULL;
+  char *     content = calloc(1, maxLen + 1);
+  cJSON *    root = NULL;
+  FILE *     fp = NULL;
   char       file[PATH_MAX + 20] = {0};
   SVnodeObj *pVnodes = NULL;
 
   snprintf(file, PATH_MAX + 20, "%s/vnodes.json", tsVnodeDir);
-  
+
   fp = fopen(file, "r");
   if (!fp) {
     dDebug("file %s not exist", file);
@@ -238,7 +238,7 @@ static int32_t dnodeGetVnodesFromFile(SVnodeObj **ppVnodes, int32_t *numOfVnodes
   }
 
   for (int32_t i = 0; i < vnodesNum; ++i) {
-    cJSON     *vnode = cJSON_GetArrayItem(vnodes, i);
+    cJSON *    vnode = cJSON_GetArrayItem(vnodes, i);
     SVnodeObj *pVnode = &pVnodes[i];
 
     cJSON *vgId = cJSON_GetObjectItem(vnode, "vgId");
@@ -281,7 +281,7 @@ static int32_t dnodeWriteVnodesToFile() {
 
   int32_t     len = 0;
   int32_t     maxLen = 30000;
-  char       *content = calloc(1, maxLen + 1);
+  char *      content = calloc(1, maxLen + 1);
   int32_t     numOfVnodes = 0;
   SVnodeObj **pVnodes = dnodeGetVnodesFromHash(&numOfVnodes);
 
@@ -322,7 +322,7 @@ static int32_t dnodeCreateVnode(int32_t vgId, SVnodeCfg *pCfg) {
   int32_t code = 0;
 
   char path[PATH_MAX + 20] = {0};
-  snprintf(path, sizeof(path),"%s/vnode%d", tsVnodeDir, vgId);
+  snprintf(path, sizeof(path), "%s/vnode%d", tsVnodeDir, vgId);
   SVnode *pImpl = vnodeCreate(vgId, path, pCfg);
 
   if (pImpl == NULL) {
@@ -375,7 +375,7 @@ static void *dnodeOpenVnodeFunc(void *param) {
     dnodeReportStartup("open-vnodes", stepDesc);
 
     char path[PATH_MAX + 20] = {0};
-    snprintf(path, sizeof(path),"%s/vnode%d", tsVnodeDir, pVnode->vgId);
+    snprintf(path, sizeof(path), "%s/vnode%d", tsVnodeDir, pVnode->vgId);
     SVnode *pImpl = vnodeOpen(path, NULL);
     if (pImpl == NULL) {
       dError("vgId:%d, failed to open vnode by thread:%d", pVnode->vgId, pThread->threadIndex);
@@ -481,6 +481,7 @@ static int32_t dnodeParseCreateVnodeReq(SRpcMsg *rpcMsg, int32_t *vgId, SVnodeCf
   SCreateVnodeMsg *pCreate = rpcMsg->pCont;
   *vgId = htonl(pCreate->vgId);
 
+#if 0
   tstrncpy(pCfg->db, pCreate->db, TSDB_FULL_DB_NAME_LEN);
   pCfg->cacheBlockSize = htonl(pCreate->cacheBlockSize);
   pCfg->totalBlocks = htonl(pCreate->totalBlocks);
@@ -503,6 +504,7 @@ static int32_t dnodeParseCreateVnodeReq(SRpcMsg *rpcMsg, int32_t *vgId, SVnodeCf
     pCfg->replicas[i].port = htons(pCreate->replicas[i].port);
     tstrncpy(pCfg->replicas[i].fqdn, pCreate->replicas[i].fqdn, TSDB_FQDN_LEN);
   }
+#endif
 
   return 0;
 }
@@ -668,7 +670,7 @@ static void dnodeProcessVnodeMgmtQueue(void *unused, SRpcMsg *pMsg) {
       break;
     case TSDB_MSG_TYPE_AUTH_VNODE_IN:
       code = vnodeProcessAuthVnodeReq(pMsg);
-      break; 
+      break;
     case TSDB_MSG_TYPE_SYNC_VNODE_IN:
       code = vnodeProcessSyncVnodeReq(pMsg);
       break;
@@ -696,7 +698,7 @@ static void dnodeProcessVnodeFetchQueue(SVnodeObj *pVnode, SVnodeMsg *pMsg) {
 
 static void dnodeProcessVnodeWriteQueue(SVnodeObj *pVnode, taos_qall qall, int32_t numOfMsgs) {
   SVnodeMsg *pMsg = vnodeInitMsg(numOfMsgs);
-  SRpcMsg   *pRpcMsg = NULL;
+  SRpcMsg *  pRpcMsg = NULL;
 
   for (int32_t i = 0; i < numOfMsgs; ++i) {
     taosGetQitem(qall, (void **)&pRpcMsg);
@@ -1008,7 +1010,7 @@ void dnodeGetVnodeLoads(SVnodeLoads *pLoads) {
   pLoads->num = taosHashGetSize(tsVnodes.hash);
 
   int32_t v = 0;
-  void   *pIter = taosHashIterate(tsVnodes.hash, NULL);
+  void *  pIter = taosHashIterate(tsVnodes.hash, NULL);
   while (pIter) {
     SVnodeObj **ppVnode = pIter;
     if (ppVnode == NULL) continue;
diff --git a/source/dnode/vnode/impl/inc/vnodeOptions.h b/source/dnode/vnode/impl/inc/vnodeCfg.h
similarity index 73%
rename from source/dnode/vnode/impl/inc/vnodeOptions.h
rename to source/dnode/vnode/impl/inc/vnodeCfg.h
index edb4be2a77..c4245b4023 100644
--- a/source/dnode/vnode/impl/inc/vnodeOptions.h
+++ b/source/dnode/vnode/impl/inc/vnodeCfg.h
@@ -13,8 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _TD_VNODE_OPTIONS_H_
-#define _TD_VNODE_OPTIONS_H_
+#ifndef _TD_VNODE_CFG_H_
+#define _TD_VNODE_CFG_H_
 
 #include "vnode.h"
 
@@ -22,13 +22,13 @@
 extern "C" {
 #endif
 
-extern const SVnodeOptions defaultVnodeOptions;
+extern const SVnodeCfg defaultVnodeOptions;
 
-int  vnodeValidateOptions(const SVnodeOptions *);
-void vnodeOptionsCopy(SVnodeOptions *pDest, const SVnodeOptions *pSrc);
+int  vnodeValidateOptions(const SVnodeCfg *);
+void vnodeOptionsCopy(SVnodeCfg *pDest, const SVnodeCfg *pSrc);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /*_TD_VNODE_OPTIONS_H_*/
\ No newline at end of file
+#endif /*_TD_VNODE_CFG_H_*/
\ No newline at end of file
diff --git a/source/dnode/vnode/impl/inc/vnodeDef.h b/source/dnode/vnode/impl/inc/vnodeDef.h
index 9cf9210cf3..791db342a3 100644
--- a/source/dnode/vnode/impl/inc/vnodeDef.h
+++ b/source/dnode/vnode/impl/inc/vnodeDef.h
@@ -25,7 +25,7 @@
 #include "vnodeBufferPool.h"
 #include "vnodeCommit.h"
 #include "vnodeFileSystem.h"
-#include "vnodeOptions.h"
+#include "vnodeCfg.h"
 #include "vnodeStateMgr.h"
 #include "vnodeSync.h"
 
@@ -34,16 +34,16 @@ extern "C" {
 #endif
 
 struct SVnode {
-  char*         path;
-  SVnodeOptions options;
-  SVState       state;
-  SVBufPool*    pBufPool;
-  SMeta*        pMeta;
-  STsdb*        pTsdb;
-  STQ*          pTq;
-  SWal*         pWal;
-  SVnodeSync*   pSync;
-  SVnodeFS*     pFs;
+  char*       path;
+  SVnodeCfg   config;
+  SVState     state;
+  SVBufPool*  pBufPool;
+  SMeta*      pMeta;
+  STsdb*      pTsdb;
+  STQ*        pTq;
+  SWal*       pWal;
+  SVnodeSync* pSync;
+  SVnodeFS*   pFs;
 };
 
 #ifdef __cplusplus
diff --git a/source/dnode/vnode/impl/src/vnodeBufferPool.c b/source/dnode/vnode/impl/src/vnodeBufferPool.c
index daba6a9aac..3d8ebfdc47 100644
--- a/source/dnode/vnode/impl/src/vnodeBufferPool.c
+++ b/source/dnode/vnode/impl/src/vnodeBufferPool.c
@@ -84,8 +84,8 @@ int vnodeOpenBufPool(SVnode *pVnode) {
   tdListInit(&(pVnode->pBufPool->free), 0);
   tdListInit(&(pVnode->pBufPool->incycle), 0);
 
-  capacity = pVnode->options.wsize / VNODE_BUF_POOL_SHARDS;
-  if (pVnode->options.isHeapAllocator) {
+  capacity = pVnode->config.wsize / VNODE_BUF_POOL_SHARDS;
+  if (pVnode->config.isHeapAllocator) {
     type = E_V_HEAP_ALLOCATOR;
   }
 
diff --git a/source/dnode/vnode/impl/src/vnodeOptions.c b/source/dnode/vnode/impl/src/vnodeCfg.c
similarity index 65%
rename from source/dnode/vnode/impl/src/vnodeOptions.c
rename to source/dnode/vnode/impl/src/vnodeCfg.c
index 5f519416b9..01facba888 100644
--- a/source/dnode/vnode/impl/src/vnodeOptions.c
+++ b/source/dnode/vnode/impl/src/vnodeCfg.c
@@ -15,20 +15,20 @@
 
 #include "vnodeDef.h"
 
-const SVnodeOptions defaultVnodeOptions = {0}; /* TODO */
+const SVnodeCfg defaultVnodeOptions = {0}; /* TODO */
 
-void vnodeOptionsInit(SVnodeOptions *pVnodeOptions) { /* TODO */
+void vnodeOptionsInit(SVnodeCfg *pVnodeOptions) { /* TODO */
   vnodeOptionsCopy(pVnodeOptions, &defaultVnodeOptions);
 }
 
-void vnodeOptionsClear(SVnodeOptions *pVnodeOptions) { /* TODO */
+void vnodeOptionsClear(SVnodeCfg *pVnodeOptions) { /* TODO */
 }
 
-int vnodeValidateOptions(const SVnodeOptions *pVnodeOptions) {
+int vnodeValidateOptions(const SVnodeCfg *pVnodeOptions) {
   // TODO
   return 0;
 }
 
-void vnodeOptionsCopy(SVnodeOptions *pDest, const SVnodeOptions *pSrc) {
-  memcpy((void *)pDest, (void *)pSrc, sizeof(SVnodeOptions));
+void vnodeOptionsCopy(SVnodeCfg *pDest, const SVnodeCfg *pSrc) {
+  memcpy((void *)pDest, (void *)pSrc, sizeof(SVnodeCfg));
 }
\ No newline at end of file
diff --git a/source/dnode/vnode/impl/src/vnodeMain.c b/source/dnode/vnode/impl/src/vnodeMain.c
index 2746b729a6..9ced3b9304 100644
--- a/source/dnode/vnode/impl/src/vnodeMain.c
+++ b/source/dnode/vnode/impl/src/vnodeMain.c
@@ -15,27 +15,27 @@
 
 #include "vnodeDef.h"
 
-static SVnode *vnodeNew(const char *path, const SVnodeOptions *pVnodeOptions);
+static SVnode *vnodeNew(const char *path, const SVnodeCfg *pVnodeCfg);
 static void    vnodeFree(SVnode *pVnode);
 static int     vnodeOpenImpl(SVnode *pVnode);
 static void    vnodeCloseImpl(SVnode *pVnode);
 
-SVnode *vnodeOpen(const char *path, const SVnodeOptions *pVnodeOptions) {
+SVnode *vnodeOpen(const char *path, const SVnodeCfg *pVnodeCfg) {
   SVnode *pVnode = NULL;
 
   // Set default options
-  if (pVnodeOptions == NULL) {
-    pVnodeOptions = &defaultVnodeOptions;
+  if (pVnodeCfg == NULL) {
+    pVnodeCfg = &defaultVnodeOptions;
   }
 
   // Validate options
-  if (vnodeValidateOptions(pVnodeOptions) < 0) {
+  if (vnodeValidateOptions(pVnodeCfg) < 0) {
     // TODO
     return NULL;
   }
 
   // Create the handle
-  pVnode = vnodeNew(path, pVnodeOptions);
+  pVnode = vnodeNew(path, pVnodeCfg);
   if (pVnode == NULL) {
     // TODO: handle error
     return NULL;
@@ -62,7 +62,7 @@ void vnodeClose(SVnode *pVnode) {
 void vnodeDestroy(const char *path) { taosRemoveDir(path); }
 
 /* ------------------------ STATIC METHODS ------------------------ */
-static SVnode *vnodeNew(const char *path, const SVnodeOptions *pVnodeOptions) {
+static SVnode *vnodeNew(const char *path, const SVnodeCfg *pVnodeCfg) {
   SVnode *pVnode = NULL;
 
   pVnode = (SVnode *)calloc(1, sizeof(*pVnode));
@@ -72,7 +72,7 @@ static SVnode *vnodeNew(const char *path, const SVnodeOptions *pVnodeOptions) {
   }
 
   pVnode->path = strdup(path);
-  vnodeOptionsCopy(&(pVnode->options), pVnodeOptions);
+  vnodeOptionsCopy(&(pVnode->config), pVnodeCfg);
 
   return pVnode;
 }
@@ -94,7 +94,7 @@ static int vnodeOpenImpl(SVnode *pVnode) {
 
   // Open meta
   sprintf(dir, "%s/meta", pVnode->path);
-  pVnode->pMeta = metaOpen(dir, &(pVnode->options.metaOptions));
+  pVnode->pMeta = metaOpen(dir, &(pVnode->config.metaOptions));
   if (pVnode->pMeta == NULL) {
     // TODO: handle error
     return -1;
@@ -102,7 +102,7 @@ static int vnodeOpenImpl(SVnode *pVnode) {
 
   // Open tsdb
   sprintf(dir, "%s/tsdb", pVnode->path);
-  pVnode->pTsdb = tsdbOpen(dir, &(pVnode->options.tsdbOptions));
+  pVnode->pTsdb = tsdbOpen(dir, &(pVnode->config.tsdbOptions));
   if (pVnode->pTsdb == NULL) {
     // TODO: handle error
     return -1;
diff --git a/source/dnode/vnode/meta/inc/metaOptions.h b/source/dnode/vnode/meta/inc/metaCfg.h
similarity index 74%
rename from source/dnode/vnode/meta/inc/metaOptions.h
rename to source/dnode/vnode/meta/inc/metaCfg.h
index 500f2d5e59..5c72ffa680 100644
--- a/source/dnode/vnode/meta/inc/metaOptions.h
+++ b/source/dnode/vnode/meta/inc/metaCfg.h
@@ -13,8 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _TD_META_OPTIONS_H_
-#define _TD_META_OPTIONS_H_
+#ifndef _TD_META_CFG_H_
+#define _TD_META_CFG_H_
 
 #include "meta.h"
 
@@ -22,13 +22,13 @@
 extern "C" {
 #endif
 
-extern const SMetaOptions defaultMetaOptions;
+extern const SMetaCfg defaultMetaOptions;
 
-int  metaValidateOptions(const SMetaOptions *);
-void metaOptionsCopy(SMetaOptions *pDest, const SMetaOptions *pSrc);
+int  metaValidateOptions(const SMetaCfg *);
+void metaOptionsCopy(SMetaCfg *pDest, const SMetaCfg *pSrc);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /*_TD_META_OPTIONS_H_*/
\ No newline at end of file
+#endif /*_TD_META_CFG_H_*/
\ No newline at end of file
diff --git a/source/dnode/vnode/meta/inc/metaDB.h b/source/dnode/vnode/meta/inc/metaDB.h
index b1531d2fd7..f758af0673 100644
--- a/source/dnode/vnode/meta/inc/metaDB.h
+++ b/source/dnode/vnode/meta/inc/metaDB.h
@@ -34,7 +34,7 @@ typedef struct {
 
 int  metaOpenDB(SMeta *pMeta);
 void metaCloseDB(SMeta *pMeta);
-int  metaSaveTableToDB(SMeta *pMeta, const STbOptions *pTbOptions);
+int  metaSaveTableToDB(SMeta *pMeta, const STbCfg *pTbOptions);
 int  metaRemoveTableFromDb(SMeta *pMeta, tb_uid_t uid);
 
 #ifdef __cplusplus
diff --git a/source/dnode/vnode/meta/inc/metaDef.h b/source/dnode/vnode/meta/inc/metaDef.h
index b0d31de1b4..fd14efd50b 100644
--- a/source/dnode/vnode/meta/inc/metaDef.h
+++ b/source/dnode/vnode/meta/inc/metaDef.h
@@ -20,10 +20,10 @@
 
 #include "meta.h"
 #include "metaCache.h"
+#include "metaCfg.h"
 #include "metaDB.h"
 #include "metaIdx.h"
-#include "metaOptions.h"
-#include "metaTbOptions.h"
+#include "metaTbCfg.h"
 #include "metaTbTag.h"
 #include "metaTbUid.h"
 
@@ -33,7 +33,7 @@ extern "C" {
 
 struct SMeta {
   char*                 path;
-  SMetaOptions          options;
+  SMetaCfg              options;
   meta_db_t*            pDB;
   meta_index_t*         pIdx;
   meta_cache_t*         pCache;
diff --git a/source/dnode/vnode/meta/inc/metaIdx.h b/source/dnode/vnode/meta/inc/metaIdx.h
index d43df9afc3..28d58cb4f1 100644
--- a/source/dnode/vnode/meta/inc/metaIdx.h
+++ b/source/dnode/vnode/meta/inc/metaIdx.h
@@ -28,7 +28,7 @@ typedef rocksdb_t meta_index_t;
 
 int  metaOpenIdx(SMeta *pMeta);
 void metaCloseIdx(SMeta *pMeta);
-int  metaSaveTableToIdx(SMeta *pMeta, const STbOptions *pTbOptions);
+int  metaSaveTableToIdx(SMeta *pMeta, const STbCfg *pTbOptions);
 int  metaRemoveTableFromIdx(SMeta *pMeta, tb_uid_t uid);
 
 #ifdef __cplusplus
diff --git a/source/dnode/vnode/meta/inc/metaTbOptions.h b/source/dnode/vnode/meta/inc/metaTbCfg.h
similarity index 69%
rename from source/dnode/vnode/meta/inc/metaTbOptions.h
rename to source/dnode/vnode/meta/inc/metaTbCfg.h
index b0fbd3a463..68c609d6b4 100644
--- a/source/dnode/vnode/meta/inc/metaTbOptions.h
+++ b/source/dnode/vnode/meta/inc/metaTbCfg.h
@@ -13,8 +13,8 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _TD_META_TABLE_OPTIONS_H_
-#define _TD_META_TABLE_OPTIONS_H_
+#ifndef _TD_META_TABLE_CFG_H_
+#define _TD_META_TABLE_CFG_H_
 
 #include "meta.h"
 
@@ -22,11 +22,15 @@
 extern "C" {
 #endif
 
-int    metaValidateTbOptions(SMeta *pMeta, const STbOptions *);
-size_t metaEncodeTbObjFromTbOptions(const STbOptions *, void *pBuf, size_t bsize);
+#define META_SUPER_TABLE 0
+#define META_CHILD_TABLE 1
+#define META_NORMAL_TABLE 2
+
+int    metaValidateTbOptions(SMeta *pMeta, const STbCfg *);
+size_t metaEncodeTbObjFromTbOptions(const STbCfg *, void *pBuf, size_t bsize);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif /*_TD_META_TABLE_OPTIONS_H_*/
\ No newline at end of file
+#endif /*_TD_META_TABLE_CFG_H_*/
\ No newline at end of file
diff --git a/source/dnode/vnode/meta/src/metaCache.c b/source/dnode/vnode/meta/src/metaCache.c
index 9166f1724a..aaa97caea0 100644
--- a/source/dnode/vnode/meta/src/metaCache.c
+++ b/source/dnode/vnode/meta/src/metaCache.c
@@ -18,8 +18,8 @@
 
 int metaOpenCache(SMeta *pMeta) {
   // TODO
-  if (pMeta->options.lruCacheSize) {
-    pMeta->pCache = rocksdb_cache_create_lru(pMeta->options.lruCacheSize);
+  if (pMeta->options.lruSize) {
+    pMeta->pCache = rocksdb_cache_create_lru(pMeta->options.lruSize);
     if (pMeta->pCache == NULL) {
       // TODO: handle error
       return -1;
diff --git a/source/dnode/vnode/meta/src/metaOptions.c b/source/dnode/vnode/meta/src/metaCfg.c
similarity index 68%
rename from source/dnode/vnode/meta/src/metaOptions.c
rename to source/dnode/vnode/meta/src/metaCfg.c
index f92cd73cae..cbaac1c409 100644
--- a/source/dnode/vnode/meta/src/metaOptions.c
+++ b/source/dnode/vnode/meta/src/metaCfg.c
@@ -15,20 +15,20 @@
 
 #include "metaDef.h"
 
-const SMetaOptions defaultMetaOptions = {.lruCacheSize = 0};
+const SMetaCfg defaultMetaOptions = {.lruSize = 0};
 
 /* ------------------------ EXPOSED METHODS ------------------------ */
-void metaOptionsInit(SMetaOptions *pMetaOptions) { metaOptionsCopy(pMetaOptions, &defaultMetaOptions); }
+void metaOptionsInit(SMetaCfg *pMetaOptions) { metaOptionsCopy(pMetaOptions, &defaultMetaOptions); }
 
-void metaOptionsClear(SMetaOptions *pMetaOptions) {
+void metaOptionsClear(SMetaCfg *pMetaOptions) {
   // TODO
 }
 
-int metaValidateOptions(const SMetaOptions *pMetaOptions) {
+int metaValidateOptions(const SMetaCfg *pMetaOptions) {
   // TODO
   return 0;
 }
 
-void metaOptionsCopy(SMetaOptions *pDest, const SMetaOptions *pSrc) { memcpy(pDest, pSrc, sizeof(*pSrc)); }
+void metaOptionsCopy(SMetaCfg *pDest, const SMetaCfg *pSrc) { memcpy(pDest, pSrc, sizeof(*pSrc)); }
 
 /* ------------------------ STATIC METHODS ------------------------ */
\ No newline at end of file
diff --git a/source/dnode/vnode/meta/src/metaDB.c b/source/dnode/vnode/meta/src/metaDB.c
index 8865678508..1f511ca4dc 100644
--- a/source/dnode/vnode/meta/src/metaDB.c
+++ b/source/dnode/vnode/meta/src/metaDB.c
@@ -92,7 +92,7 @@ void metaCloseDB(SMeta *pMeta) {
   }
 }
 
-int metaSaveTableToDB(SMeta *pMeta, const STbOptions *pTbOptions) {
+int metaSaveTableToDB(SMeta *pMeta, const STbCfg *pTbOptions) {
   tb_uid_t uid;
   char *   err = NULL;
   size_t   size;
@@ -102,7 +102,7 @@ int metaSaveTableToDB(SMeta *pMeta, const STbOptions *pTbOptions) {
 
   // Generate a uid for child and normal table
   if (pTbOptions->type == META_SUPER_TABLE) {
-    uid = pTbOptions->stbOptions.uid;
+    uid = pTbOptions->stbCfg.suid;
   } else {
     uid = metaGenerateUid(pMeta);
   }
@@ -117,22 +117,22 @@ int metaSaveTableToDB(SMeta *pMeta, const STbOptions *pTbOptions) {
   switch (pTbOptions->type) {
     case META_NORMAL_TABLE:
       // save schemaDB
-      metaSaveSchemaDB(pMeta, uid, pTbOptions->ntbOptions.pSchame);
+      metaSaveSchemaDB(pMeta, uid, pTbOptions->ntbCfg.pSchema);
       break;
     case META_SUPER_TABLE:
       // save schemaDB
-      metaSaveSchemaDB(pMeta, uid, pTbOptions->stbOptions.pSchema);
+      metaSaveSchemaDB(pMeta, uid, pTbOptions->stbCfg.pSchema);
 
       // save mapDB (really need?)
       rocksdb_put(pMeta->pDB->mapDb, wopt, (char *)(&uid), sizeof(uid), "", 0, &err);
       break;
     case META_CHILD_TABLE:
       // save tagDB
-      rocksdb_put(pMeta->pDB->tagDb, wopt, (char *)(&uid), sizeof(uid), pTbOptions->ctbOptions.tags,
-                  kvRowLen(pTbOptions->ctbOptions.tags), &err);
+      rocksdb_put(pMeta->pDB->tagDb, wopt, (char *)(&uid), sizeof(uid), pTbOptions->ctbCfg.pTag,
+                  kvRowLen(pTbOptions->ctbCfg.pTag), &err);
 
       // save mapDB
-      metaSaveMapDB(pMeta, pTbOptions->ctbOptions.suid, uid);
+      metaSaveMapDB(pMeta, pTbOptions->ctbCfg.suid, uid);
       break;
     default:
       ASSERT(0);
diff --git a/source/dnode/vnode/meta/src/metaIdx.c b/source/dnode/vnode/meta/src/metaIdx.c
index 54cc8bd461..0666609f9f 100644
--- a/source/dnode/vnode/meta/src/metaIdx.c
+++ b/source/dnode/vnode/meta/src/metaIdx.c
@@ -47,7 +47,7 @@ void metaCloseIdx(SMeta *pMeta) { /* TODO */
   }
 }
 
-int metaSaveTableToIdx(SMeta *pMeta, const STbOptions *pTbOptions) {
+int metaSaveTableToIdx(SMeta *pMeta, const STbCfg *pTbOptions) {
   // TODO
   return 0;
 }
\ No newline at end of file
diff --git a/source/dnode/vnode/meta/src/metaMain.c b/source/dnode/vnode/meta/src/metaMain.c
index 000b10a126..a936002328 100644
--- a/source/dnode/vnode/meta/src/metaMain.c
+++ b/source/dnode/vnode/meta/src/metaMain.c
@@ -15,17 +15,14 @@
 
 #include "tcoding.h"
 
-#include "meta.h"
-#include "metaDB.h"
 #include "metaDef.h"
-#include "metaOptions.h"
 
-static SMeta *metaNew(const char *path, const SMetaOptions *pMetaOptions);
+static SMeta *metaNew(const char *path, const SMetaCfg *pMetaOptions);
 static void   metaFree(SMeta *pMeta);
 static int    metaOpenImpl(SMeta *pMeta);
 static void   metaCloseImpl(SMeta *pMeta);
 
-SMeta *metaOpen(const char *path, const SMetaOptions *pMetaOptions) {
+SMeta *metaOpen(const char *path, const SMetaCfg *pMetaOptions) {
   SMeta *pMeta = NULL;
 
   // Set default options
@@ -68,7 +65,7 @@ void metaClose(SMeta *pMeta) {
 void metaRemove(const char *path) { taosRemoveDir(path); }
 
 /* ------------------------ STATIC METHODS ------------------------ */
-static SMeta *metaNew(const char *path, const SMetaOptions *pMetaOptions) {
+static SMeta *metaNew(const char *path, const SMetaCfg *pMetaOptions) {
   SMeta *pMeta;
   size_t psize = strlen(path);
 
diff --git a/source/dnode/vnode/meta/src/metaTable.c b/source/dnode/vnode/meta/src/metaTable.c
index d4a1ad3e38..6a92fedc3d 100644
--- a/source/dnode/vnode/meta/src/metaTable.c
+++ b/source/dnode/vnode/meta/src/metaTable.c
@@ -15,7 +15,7 @@
 
 #include "metaDef.h"
 
-int metaCreateTable(SMeta *pMeta, const STbOptions *pTbOptions) {
+int metaCreateTable(SMeta *pMeta, const STbCfg *pTbOptions) {
   // Validate the tbOptions
   if (metaValidateTbOptions(pMeta, pTbOptions) < 0) {
     // TODO: handle error
diff --git a/source/dnode/vnode/meta/src/metaTbOptions.c b/source/dnode/vnode/meta/src/metaTbCfg.c
similarity index 75%
rename from source/dnode/vnode/meta/src/metaTbOptions.c
rename to source/dnode/vnode/meta/src/metaTbCfg.c
index 9bf9607df7..8d58edaa08 100644
--- a/source/dnode/vnode/meta/src/metaTbOptions.c
+++ b/source/dnode/vnode/meta/src/metaTbCfg.c
@@ -16,12 +16,12 @@
 #include "metaDef.h"
 #include "tcoding.h"
 
-int metaValidateTbOptions(SMeta *pMeta, const STbOptions *pTbOptions) {
+int metaValidateTbOptions(SMeta *pMeta, const STbCfg *pTbOptions) {
   // TODO
   return 0;
 }
 
-size_t metaEncodeTbObjFromTbOptions(const STbOptions *pTbOptions, void *pBuf, size_t bsize) {
+size_t metaEncodeTbObjFromTbOptions(const STbCfg *pTbOptions, void *pBuf, size_t bsize) {
   void **ppBuf = &pBuf;
   int    tlen = 0;
 
@@ -31,12 +31,12 @@ size_t metaEncodeTbObjFromTbOptions(const STbOptions *pTbOptions, void *pBuf, si
 
   switch (pTbOptions->type) {
     case META_SUPER_TABLE:
-      tlen += taosEncodeFixedU64(ppBuf, pTbOptions->stbOptions.uid);
-      tlen += tdEncodeSchema(ppBuf, pTbOptions->stbOptions.pTagSchema);
+      tlen += taosEncodeFixedU64(ppBuf, pTbOptions->stbCfg.suid);
+      tlen += tdEncodeSchema(ppBuf, pTbOptions->stbCfg.pTagSchema);
       // TODO: encode schema version array
       break;
     case META_CHILD_TABLE:
-      tlen += taosEncodeFixedU64(ppBuf, pTbOptions->ctbOptions.suid);
+      tlen += taosEncodeFixedU64(ppBuf, pTbOptions->ctbCfg.suid);
       break;
     case META_NORMAL_TABLE:
       // TODO: encode schema version array