diff --git a/deps/CMakeLists.txt b/deps/CMakeLists.txt
index 0dcb7a240c..d8026bd56f 100644
--- a/deps/CMakeLists.txt
+++ b/deps/CMakeLists.txt
@@ -50,8 +50,11 @@ endif(${BUILD_WITH_LEVELDB})
 # rocksdb
 # To support rocksdb build on ubuntu: sudo apt-get install libgflags-dev
 if(${BUILD_WITH_ROCKSDB})
+    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=maybe-uninitialized")
     option(WITH_TESTS "" OFF)
     option(WITH_BENCHMARK_TOOLS "" OFF)
+    option(WITH_TOOLS "" OFF)
+    option(WITH_LIBURING "" OFF)
     option(ROCKSDB_BUILD_SHARED "Build shared versions of the RocksDB libraries" OFF)
     add_subdirectory(rocksdb)
     target_include_directories(
diff --git a/source/dnode/vnode/tq/inc/tqMetaStore.h b/source/dnode/vnode/tq/inc/tqMetaStore.h
index c62e7db111..3e49f11254 100644
--- a/source/dnode/vnode/tq/inc/tqMetaStore.h
+++ b/source/dnode/vnode/tq/inc/tqMetaStore.h
@@ -44,6 +44,21 @@ extern "C" {
 
 #define TQ_SVER              0
 
+//TODO: inplace mode is not implemented
+#define TQ_UPDATE_INPLACE    0
+#define TQ_UPDATE_APPEND     1
+
+#define TQ_DUP_INTXN_REWRITE 0
+#define TQ_DUP_INTXN_REJECT  2
+
+static inline bool TqUpdateAppend(int32_t tqConfigFlag) {
+  return tqConfigFlag & TQ_UPDATE_APPEND;
+}
+
+static inline bool TqDupIntxnReject(int32_t tqConfigFlag) {
+  return tqConfigFlag & TQ_DUP_INTXN_REJECT;
+}
+
 static const int8_t TQ_CONST_DELETE = TQ_ACTION_CONST;
 #define TQ_DELETE_TOKEN  (void*)&TQ_CONST_DELETE
 
@@ -79,6 +94,7 @@ typedef struct TqMetaStore {
   int fileFd; //TODO:temporaral use, to be replaced by unified tfile
   int idxFd;  //TODO:temporaral use, to be replaced by unified tfile
   char* dirPath;
+  int32_t tqConfigFlag;
   int (*serializer)(const void* pObj, TqSerializedHead** ppHead);
   const void* (*deserializer)(const TqSerializedHead* pHead, void** ppObj);
   void  (*deleter)(void*);
@@ -87,7 +103,9 @@ typedef struct TqMetaStore {
 TqMetaStore*  tqStoreOpen(const char* path,
     int serializer(const void* pObj, TqSerializedHead** ppHead),
     const void* deserializer(const TqSerializedHead* pHead, void** ppObj),
-    void deleter(void* pObj));
+    void deleter(void* pObj),
+    int32_t tqConfigFlag
+  );
 int32_t       tqStoreClose(TqMetaStore*);
 //int32_t       tqStoreDelete(TqMetaStore*);
 //int32_t       TqStoreCommitAll(TqMetaStore*);
@@ -96,6 +114,8 @@ int32_t       tqStorePersist(TqMetaStore*);
 int32_t       tqStoreCompact(TqMetaStore*);
 
 void*   tqHandleGet(TqMetaStore*, int64_t key);
+//make it unpersist
+void*   tqHandleTouchGet(TqMetaStore*, int64_t key);
 int32_t tqHandleMovePut(TqMetaStore*, int64_t key, void* value);
 int32_t tqHandleCopyPut(TqMetaStore*, int64_t key, void* value, size_t vsize);
 //delete committed kv pair
diff --git a/source/dnode/vnode/tq/src/tqMetaStore.c b/source/dnode/vnode/tq/src/tqMetaStore.c
index 8e1f78fbe0..f8202941bb 100644
--- a/source/dnode/vnode/tq/src/tqMetaStore.c
+++ b/source/dnode/vnode/tq/src/tqMetaStore.c
@@ -71,7 +71,9 @@ static inline int tqReadLastPage(int fd, TqIdxPageBuf* pBuf) {
 TqMetaStore* tqStoreOpen(const char* path,
     int serializer(const void* pObj, TqSerializedHead** ppHead),
     const void* deserializer(const TqSerializedHead* pHead, void** ppObj),
-    void deleter(void* pObj)) {
+    void deleter(void* pObj),
+    int32_t tqConfigFlag
+    ) {
   TqMetaStore* pMeta = malloc(sizeof(TqMetaStore)); 
   if(pMeta == NULL) {
     //close
@@ -128,6 +130,7 @@ TqMetaStore* tqStoreOpen(const char* path,
   pMeta->serializer = serializer;
   pMeta->deserializer = deserializer;
   pMeta->deleter = deleter;
+  pMeta->tqConfigFlag = tqConfigFlag;
 
   //read idx file and load into memory
   TqIdxPageBuf idxBuf;
@@ -463,17 +466,39 @@ void* tqHandleGet(TqMetaStore* pMeta, int64_t key) {
   return NULL;
 }
 
-int32_t tqHandleMovePut(TqMetaStore* pMeta, int64_t key, void* value) {
+void* tqHandleTouchGet(TqMetaStore* pMeta, int64_t key) {
+  int64_t bucketKey = key & TQ_BUCKET_MASK;
+  TqMetaList* pNode = pMeta->bucket[bucketKey];
+  while(pNode) {
+    if(pNode->handle.key == key) {
+      if(pNode->handle.valueInUse != NULL
+          && pNode->handle.valueInUse != TQ_DELETE_TOKEN) {
+        tqLinkUnpersist(pMeta, pNode);
+        return pNode->handle.valueInUse;
+      } else {
+        return NULL;
+      }
+    } else {
+      pNode = pNode->next;
+    }
+  }
+  return NULL;
+}
+
+static inline int32_t tqHandlePutImpl(TqMetaStore* pMeta, int64_t key, void* value) {
   int64_t bucketKey = key & TQ_BUCKET_MASK;
   TqMetaList* pNode = pMeta->bucket[bucketKey];
   while(pNode) {
     if(pNode->handle.key == key) {
       //TODO: think about thread safety
-      if(pNode->handle.valueInTxn
-          && pNode->handle.valueInTxn != TQ_DELETE_TOKEN) {
-        pMeta->deleter(pNode->handle.valueInTxn);
+      if(pNode->handle.valueInTxn) {
+        if(TqDupIntxnReject(pMeta->tqConfigFlag)) {
+          return -2;
+        }
+        if(pNode->handle.valueInTxn != TQ_DELETE_TOKEN) {
+          pMeta->deleter(pNode->handle.valueInTxn);
+        }
       }
-      //change pointer ownership
       pNode->handle.valueInTxn = value;
       tqLinkUnpersist(pMeta, pNode);
       return 0;
@@ -495,6 +520,10 @@ int32_t tqHandleMovePut(TqMetaStore* pMeta, int64_t key, void* value) {
   return 0;
 }
 
+int32_t tqHandleMovePut(TqMetaStore* pMeta, int64_t key, void* value) {
+  return tqHandlePutImpl(pMeta, key, value);
+}
+
 int32_t tqHandleCopyPut(TqMetaStore* pMeta, int64_t key, void* value, size_t vsize) {
   void *vmem = malloc(vsize);
   if(vmem == NULL) {
@@ -502,35 +531,7 @@ int32_t tqHandleCopyPut(TqMetaStore* pMeta, int64_t key, void* value, size_t vsi
     return -1;
   }
   memcpy(vmem, value, vsize);
-  int64_t bucketKey = key & TQ_BUCKET_MASK;
-  TqMetaList* pNode = pMeta->bucket[bucketKey];
-  while(pNode) {
-    if(pNode->handle.key == key) {
-      //TODO: think about thread safety
-      if(pNode->handle.valueInTxn
-          && pNode->handle.valueInTxn != TQ_DELETE_TOKEN) {
-        pMeta->deleter(pNode->handle.valueInTxn);
-      }
-      //change pointer ownership
-      pNode->handle.valueInTxn = vmem;
-      tqLinkUnpersist(pMeta, pNode);
-      return 0;
-    } else {
-      pNode = pNode->next;
-    }
-  }
-  TqMetaList *pNewNode = malloc(sizeof(TqMetaList));
-  if(pNewNode == NULL) {
-    //TODO: memory error
-    return -1;
-  }
-  memset(pNewNode, 0, sizeof(TqMetaList));
-  pNewNode->handle.key = key;
-  pNewNode->handle.valueInTxn = vmem;
-  pNewNode->next = pMeta->bucket[bucketKey];
-  pMeta->bucket[bucketKey] = pNewNode;
-  tqLinkUnpersist(pMeta, pNewNode);
-  return 0;
+  return tqHandlePutImpl(pMeta, key, vmem);
 }
 
 static void* tqHandleGetUncommitted(TqMetaStore* pMeta, int64_t key) {
diff --git a/source/dnode/vnode/tq/test/tqMetaTest.cpp b/source/dnode/vnode/tq/test/tqMetaTest.cpp
index f0241257b8..bbd436ab1a 100644
--- a/source/dnode/vnode/tq/test/tqMetaTest.cpp
+++ b/source/dnode/vnode/tq/test/tqMetaTest.cpp
@@ -32,13 +32,15 @@ void FooDeleter(void* pObj) {
   free(pObj); 
 }
 
-class TqMetaTest : public ::testing::Test {
+class TqMetaUpdateAppendTest : public ::testing::Test {
   protected:
 
     void SetUp() override {
       taosRemoveDir(pathName);
       pMeta = tqStoreOpen(pathName,
-          FooSerializer, FooDeserializer, FooDeleter);
+          FooSerializer, FooDeserializer, FooDeleter,
+          TQ_UPDATE_APPEND
+        );
       ASSERT(pMeta);
     }
 
@@ -50,7 +52,7 @@ class TqMetaTest : public ::testing::Test {
     const char* pathName = "/tmp/tq_test";
 };
 
-TEST_F(TqMetaTest, copyPutTest) {
+TEST_F(TqMetaUpdateAppendTest, copyPutTest) {
   Foo foo;
   foo.a = 3;
   tqHandleCopyPut(pMeta, 1, &foo, sizeof(Foo));
@@ -63,7 +65,7 @@ TEST_F(TqMetaTest, copyPutTest) {
   EXPECT_EQ(pFoo->a, 3);
 }
 
-TEST_F(TqMetaTest, persistTest) {
+TEST_F(TqMetaUpdateAppendTest, persistTest) {
   Foo* pFoo = (Foo*)malloc(sizeof(Foo));
   pFoo->a = 2;
   tqHandleMovePut(pMeta, 1, pFoo);
@@ -77,7 +79,9 @@ TEST_F(TqMetaTest, persistTest) {
 
   tqStoreClose(pMeta);
   pMeta = tqStoreOpen(pathName,
-      FooSerializer, FooDeserializer, FooDeleter);
+      FooSerializer, FooDeserializer, FooDeleter,
+      TQ_UPDATE_APPEND
+    );
   ASSERT(pMeta);
 
   pBar = (Foo*)tqHandleGet(pMeta, 1);
@@ -88,7 +92,7 @@ TEST_F(TqMetaTest, persistTest) {
   EXPECT_EQ(pBar == NULL, true);
 }
 
-TEST_F(TqMetaTest, uncommittedTest) {
+TEST_F(TqMetaUpdateAppendTest, uncommittedTest) {
   Foo* pFoo = (Foo*)malloc(sizeof(Foo));
   pFoo->a = 3;
   tqHandleMovePut(pMeta, 1, pFoo);
@@ -97,7 +101,7 @@ TEST_F(TqMetaTest, uncommittedTest) {
   EXPECT_EQ(pFoo == NULL, true);
 }
 
-TEST_F(TqMetaTest, abortTest) {
+TEST_F(TqMetaUpdateAppendTest, abortTest) {
   Foo* pFoo = (Foo*)malloc(sizeof(Foo));
   pFoo->a = 3;
   tqHandleMovePut(pMeta, 1, pFoo);
@@ -110,7 +114,7 @@ TEST_F(TqMetaTest, abortTest) {
   EXPECT_EQ(pFoo == NULL, true);
 }
 
-TEST_F(TqMetaTest, deleteTest) {
+TEST_F(TqMetaUpdateAppendTest, deleteTest) {
   Foo* pFoo = (Foo*)malloc(sizeof(Foo));
   pFoo->a = 3;
   tqHandleMovePut(pMeta, 1, pFoo);
@@ -135,14 +139,16 @@ TEST_F(TqMetaTest, deleteTest) {
 
   tqStoreClose(pMeta);
   pMeta = tqStoreOpen(pathName,
-      FooSerializer, FooDeserializer, FooDeleter);
+      FooSerializer, FooDeserializer, FooDeleter,
+      TQ_UPDATE_APPEND
+    );
   ASSERT(pMeta);
 
   pFoo = (Foo*) tqHandleGet(pMeta, 1);
   EXPECT_EQ(pFoo == NULL, true);
 }
 
-TEST_F(TqMetaTest, intxnPersist) {
+TEST_F(TqMetaUpdateAppendTest, intxnPersist) {
   Foo* pFoo = (Foo*)malloc(sizeof(Foo));
   pFoo->a = 3;
   tqHandleMovePut(pMeta, 1, pFoo);
@@ -157,7 +163,9 @@ TEST_F(TqMetaTest, intxnPersist) {
 
   tqStoreClose(pMeta);
   pMeta = tqStoreOpen(pathName,
-      FooSerializer, FooDeserializer, FooDeleter);
+      FooSerializer, FooDeserializer, FooDeleter,
+      TQ_UPDATE_APPEND
+    );
   ASSERT(pMeta);
 
   pFoo1 = (Foo*)tqHandleGet(pMeta, 1);
@@ -170,14 +178,16 @@ TEST_F(TqMetaTest, intxnPersist) {
 
   tqStoreClose(pMeta);
   pMeta = tqStoreOpen(pathName,
-      FooSerializer, FooDeserializer, FooDeleter);
+      FooSerializer, FooDeserializer, FooDeleter,
+      TQ_UPDATE_APPEND
+    );
   ASSERT(pMeta);
 
   pFoo1 = (Foo*)tqHandleGet(pMeta, 1);
   EXPECT_EQ(pFoo1->a, 4);
 }
 
-TEST_F(TqMetaTest, multiplePage) {
+TEST_F(TqMetaUpdateAppendTest, multiplePage) {
   srand(0);
   std::vector<int> v;
   for(int i = 0; i < 1000; i++) {
@@ -195,7 +205,9 @@ TEST_F(TqMetaTest, multiplePage) {
 
   tqStoreClose(pMeta);
   pMeta = tqStoreOpen(pathName,
-      FooSerializer, FooDeserializer, FooDeleter);
+      FooSerializer, FooDeserializer, FooDeleter,
+      TQ_UPDATE_APPEND
+    );
   ASSERT(pMeta);
   
   for(int i = 500; i < 1000; i++) {
@@ -213,7 +225,7 @@ TEST_F(TqMetaTest, multiplePage) {
 
 }
 
-TEST_F(TqMetaTest, multipleRewrite) {
+TEST_F(TqMetaUpdateAppendTest, multipleRewrite) {
   srand(0);
   std::vector<int> v;
   for(int i = 0; i < 1000; i++) {
@@ -244,7 +256,9 @@ TEST_F(TqMetaTest, multipleRewrite) {
 
   tqStoreClose(pMeta);
   pMeta = tqStoreOpen(pathName,
-      FooSerializer, FooDeserializer, FooDeleter);
+      FooSerializer, FooDeserializer, FooDeleter,
+      TQ_UPDATE_APPEND
+    );
   ASSERT(pMeta);
   
   for(int i = 500; i < 1000; i++) {
@@ -263,7 +277,7 @@ TEST_F(TqMetaTest, multipleRewrite) {
 
 }
 
-TEST_F(TqMetaTest, dupCommit) {
+TEST_F(TqMetaUpdateAppendTest, dupCommit) {
   srand(0);
   std::vector<int> v;
   for(int i = 0; i < 1000; i++) {