sync refactor

source/libs/sync/inc/syncRaftLog.h

@@ -47,6 +47,8 @@ SyncIndex       logStoreGetCommitIndex(SSyncLogStore* pLogStore);
 SSyncRaftEntry* logStoreGetLastEntry(SSyncLogStore* pLogStore);
 cJSON*          logStore2Json(SSyncLogStore* pLogStore);
 char*           logStore2Str(SSyncLogStore* pLogStore);
+cJSON*          logStoreSimple2Json(SSyncLogStore* pLogStore);
+char*           logStoreSimple2Str(SSyncLogStore* pLogStore);
 
 // for debug
 void logStorePrint(SSyncLogStore* pLogStore);
@@ -54,6 +56,11 @@ void logStorePrint2(char* s, SSyncLogStore* pLogStore);
 void logStoreLog(SSyncLogStore* pLogStore);
 void logStoreLog2(char* s, SSyncLogStore* pLogStore);
 
+void logStoreSimplePrint(SSyncLogStore* pLogStore);
+void logStoreSimplePrint2(char* s, SSyncLogStore* pLogStore);
+void logStoreSimpleLog(SSyncLogStore* pLogStore);
+void logStoreSimpleLog2(char* s, SSyncLogStore* pLogStore);
+
 #ifdef __cplusplus
 }
 #endif

source/libs/sync/src/syncAppendEntries.c

@@ -155,30 +155,35 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
 
   // accept request
   if (pMsg->term == ths->pRaftStore->currentTerm && ths->state == TAOS_SYNC_STATE_FOLLOWER && logOK) {
-    bool preMatch = false;
-    if (pMsg->prevLogIndex == SYNC_INDEX_INVALID &&
-        ths->pLogStore->getLastIndex(ths->pLogStore) == SYNC_INDEX_INVALID) {
-      preMatch = true;
-    }
-    if (pMsg->prevLogIndex >= SYNC_INDEX_BEGIN && pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore)) {
-      SSyncRaftEntry* pPreEntry = logStoreGetEntry(ths->pLogStore, pMsg->prevLogIndex);
-      assert(pPreEntry != NULL);
-      if (pMsg->prevLogTerm == pPreEntry->term) {
-        preMatch = true;
-      }
-      syncEntryDestory(pPreEntry);
-    }
+    /*
+        bool preMatch = false;
+        if (pMsg->prevLogIndex == SYNC_INDEX_INVALID &&
+            ths->pLogStore->getLastIndex(ths->pLogStore) == SYNC_INDEX_INVALID) {
+          preMatch = true;
+        }
+        if (pMsg->prevLogIndex >= SYNC_INDEX_BEGIN && pMsg->prevLogIndex <=
+       ths->pLogStore->getLastIndex(ths->pLogStore)) { SSyncRaftEntry* pPreEntry = logStoreGetEntry(ths->pLogStore,
+       pMsg->prevLogIndex); assert(pPreEntry != NULL); if (pMsg->prevLogTerm == pPreEntry->term) { preMatch = true;
+          }
+          syncEntryDestory(pPreEntry);
+        }
 
-    sTrace(
-        "syncNodeOnAppendEntriesCb --> accept, pMsg->term:%lu, ths->pRaftStore->currentTerm:%lu, "
-        "ths->state:%d, logOK:%d, preMatch:%d",
-        pMsg->term, ths->pRaftStore->currentTerm, ths->state, logOK, preMatch);
+        sTrace(
+            "syncNodeOnAppendEntriesCb --> accept, pMsg->term:%lu, ths->pRaftStore->currentTerm:%lu, "
+            "ths->state:%d, logOK:%d, preMatch:%d",
+            pMsg->term, ths->pRaftStore->currentTerm, ths->state, logOK, preMatch);
+
+        if (preMatch) {
+    */
 
-    if (preMatch) {
-      // must has preIndex in local log
+    {
+      // preIndex = -1, or has preIndex entry in local log
       assert(pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore));
 
+      // has extra entries (> preIndex) in local log
       bool hasExtraEntries = pMsg->prevLogIndex < ths->pLogStore->getLastIndex(ths->pLogStore);
+
+      // has entries in SyncAppendEntries msg
       bool hasAppendEntries = pMsg->dataLen > 0;
 
       if (hasExtraEntries && hasAppendEntries) {
@@ -287,20 +292,23 @@ int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
       syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
 
       syncAppendEntriesReplyDestroy(pReply);
+    }
 
-    } else {
-      SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild();
-      pReply->srcId = ths->myRaftId;
-      pReply->destId = pMsg->srcId;
-      pReply->term = ths->pRaftStore->currentTerm;
-      pReply->success = false;
-      pReply->matchIndex = SYNC_INDEX_INVALID;
+    /*
+        else {
+          SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild();
+          pReply->srcId = ths->myRaftId;
+          pReply->destId = pMsg->srcId;
+          pReply->term = ths->pRaftStore->currentTerm;
+          pReply->success = false;
+          pReply->matchIndex = SYNC_INDEX_INVALID;
 
-      SRpcMsg rpcMsg;
-      syncAppendEntriesReply2RpcMsg(pReply, &rpcMsg);
-      syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
-      syncAppendEntriesReplyDestroy(pReply);
-    }
+          SRpcMsg rpcMsg;
+          syncAppendEntriesReply2RpcMsg(pReply, &rpcMsg);
+          syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
+          syncAppendEntriesReplyDestroy(pReply);
+        }
+    */
 
     // maybe update commit index from leader
     if (pMsg->commitIndex > ths->commitIndex) {

source/libs/sync/src/syncAppendEntriesReply.c

@@ -48,6 +48,9 @@ int32_t syncNodeOnAppendEntriesReplyCb(SSyncNode* ths, SyncAppendEntriesReply* p
     return ret;
   }
 
+  syncIndexMgrLog2("==syncNodeOnAppendEntriesReplyCb== before pNextIndex", ths->pNextIndex);
+  syncIndexMgrLog2("==syncNodeOnAppendEntriesReplyCb== before pMatchIndex", ths->pMatchIndex);
+
   // no need this code, because if I receive reply.term, then I must have sent for that term.
   //  if (pMsg->term > ths->pRaftStore->currentTerm) {
   //    syncNodeUpdateTerm(ths, pMsg->term);
@@ -77,5 +80,8 @@ int32_t syncNodeOnAppendEntriesReplyCb(SSyncNode* ths, SyncAppendEntriesReply* p
     syncIndexMgrSetIndex(ths->pNextIndex, &(pMsg->srcId), nextIndex);
   }
 
+  syncIndexMgrLog2("==syncNodeOnAppendEntriesReplyCb== after pNextIndex", ths->pNextIndex);
+  syncIndexMgrLog2("==syncNodeOnAppendEntriesReplyCb== after pMatchIndex", ths->pMatchIndex);
+
   return ret;
 }

source/libs/sync/src/syncRaftLog.c

@@ -165,6 +165,34 @@ char* logStore2Str(SSyncLogStore* pLogStore) {
   return serialized;
 }
 
+cJSON* logStoreSimple2Json(SSyncLogStore* pLogStore) {
+  char               u64buf[128];
+  SSyncLogStoreData* pData = (SSyncLogStoreData*)pLogStore->data;
+  cJSON*             pRoot = cJSON_CreateObject();
+
+  if (pData != NULL && pData->pWal != NULL) {
+    snprintf(u64buf, sizeof(u64buf), "%p", pData->pSyncNode);
+    cJSON_AddStringToObject(pRoot, "pSyncNode", u64buf);
+    snprintf(u64buf, sizeof(u64buf), "%p", pData->pWal);
+    cJSON_AddStringToObject(pRoot, "pWal", u64buf);
+    snprintf(u64buf, sizeof(u64buf), "%ld", logStoreLastIndex(pLogStore));
+    cJSON_AddStringToObject(pRoot, "LastIndex", u64buf);
+    snprintf(u64buf, sizeof(u64buf), "%lu", logStoreLastTerm(pLogStore));
+    cJSON_AddStringToObject(pRoot, "LastTerm", u64buf);
+  }
+
+  cJSON* pJson = cJSON_CreateObject();
+  cJSON_AddItemToObject(pJson, "SSyncLogStoreSimple", pRoot);
+  return pJson;
+}
+
+char* logStoreSimple2Str(SSyncLogStore* pLogStore) {
+  cJSON* pJson = logStoreSimple2Json(pLogStore);
+  char*  serialized = cJSON_Print(pJson);
+  cJSON_Delete(pJson);
+  return serialized;
+}
+
 // for debug -----------------
 void logStorePrint(SSyncLogStore* pLogStore) {
   char* serialized = logStore2Str(pLogStore);
@@ -191,3 +219,30 @@ void logStoreLog2(char* s, SSyncLogStore* pLogStore) {
   sTrace("logStorePrint | len:%lu | %s | %s", strlen(serialized), s, serialized);
   free(serialized);
 }
+
+// for debug -----------------
+void logStoreSimplePrint(SSyncLogStore* pLogStore) {
+  char* serialized = logStoreSimple2Str(pLogStore);
+  printf("logStoreSimplePrint | len:%lu | %s \n", strlen(serialized), serialized);
+  fflush(NULL);
+  free(serialized);
+}
+
+void logStoreSimplePrint2(char* s, SSyncLogStore* pLogStore) {
+  char* serialized = logStoreSimple2Str(pLogStore);
+  printf("logStoreSimplePrint2 | len:%lu | %s | %s \n", strlen(serialized), s, serialized);
+  fflush(NULL);
+  free(serialized);
+}
+
+void logStoreSimpleLog(SSyncLogStore* pLogStore) {
+  char* serialized = logStoreSimple2Str(pLogStore);
+  sTrace("logStoreSimpleLog | len:%lu | %s", strlen(serialized), serialized);
+  free(serialized);
+}
+
+void logStoreSimpleLog2(char* s, SSyncLogStore* pLogStore) {
+  char* serialized = logStoreSimple2Str(pLogStore);
+  sTrace("logStoreSimpleLog2 | len:%lu | %s | %s", strlen(serialized), s, serialized);
+  free(serialized);
+}
\ No newline at end of file

source/libs/sync/src/syncReplication.c

@@ -49,6 +49,10 @@
 int32_t syncNodeAppendEntriesPeers(SSyncNode* pSyncNode) {
   assert(pSyncNode->state == TAOS_SYNC_STATE_LEADER);
 
+  syncIndexMgrLog2("==syncNodeAppendEntriesPeers== pNextIndex", pSyncNode->pNextIndex);
+  syncIndexMgrLog2("==syncNodeAppendEntriesPeers== pMatchIndex", pSyncNode->pMatchIndex);
+  logStoreSimpleLog2("==syncNodeAppendEntriesPeers==", pSyncNode->pLogStore);
+
   int32_t ret = 0;
   for (int i = 0; i < pSyncNode->peersNum; ++i) {
     SRaftId* pDestId = &(pSyncNode->peersId[i]);
@@ -99,6 +103,8 @@ int32_t syncNodeAppendEntriesPeers(SSyncNode* pSyncNode) {
     pMsg->prevLogTerm = preLogTerm;
     pMsg->commitIndex = pSyncNode->commitIndex;
 
+    syncAppendEntriesLog2("==syncNodeAppendEntriesPeers==", pMsg);
+
     // send AppendEntries
     syncNodeAppendEntries(pSyncNode, pDestId, pMsg);
     syncAppendEntriesDestroy(pMsg);

source/libs/sync/test/CMakeLists.txt

@@ -34,7 +34,9 @@ add_executable(syncEncodeTest "")
 add_executable(syncWriteTest "")
 add_executable(syncReplicateTest "")
 add_executable(syncReplicateTest2 "")
+add_executable(syncReplicateLoadTest "")
 add_executable(syncRefTest "")
+add_executable(syncLogStoreCheck "")
 
 
 target_sources(syncTest
@@ -181,10 +183,18 @@ target_sources(syncReplicateTest2
     PRIVATE
     "syncReplicateTest2.cpp"
 )
+target_sources(syncReplicateLoadTest
+    PRIVATE
+    "syncReplicateLoadTest.cpp"
+)
 target_sources(syncRefTest
     PRIVATE
     "syncRefTest.cpp"
 )
+target_sources(syncLogStoreCheck
+    PRIVATE
+    "syncLogStoreCheck.cpp"
+)
 
 
 target_include_directories(syncTest
@@ -367,11 +377,21 @@ target_include_directories(syncReplicateTest2
     "${CMAKE_SOURCE_DIR}/include/libs/sync"
     "${CMAKE_CURRENT_SOURCE_DIR}/../inc"
 )
+target_include_directories(syncReplicateLoadTest
+    PUBLIC
+    "${CMAKE_SOURCE_DIR}/include/libs/sync"
+    "${CMAKE_CURRENT_SOURCE_DIR}/../inc"
+)
 target_include_directories(syncRefTest
     PUBLIC
     "${CMAKE_SOURCE_DIR}/include/libs/sync"
     "${CMAKE_CURRENT_SOURCE_DIR}/../inc"
 )
+target_include_directories(syncLogStoreCheck
+    PUBLIC
+    "${CMAKE_SOURCE_DIR}/include/libs/sync"
+    "${CMAKE_CURRENT_SOURCE_DIR}/../inc"
+)
 
 
 target_link_libraries(syncTest
@@ -518,10 +538,18 @@ target_link_libraries(syncReplicateTest2
     sync
     gtest_main
 )
+target_link_libraries(syncReplicateLoadTest
+    sync
+    gtest_main
+)
 target_link_libraries(syncRefTest
     sync
     gtest_main
 )
+target_link_libraries(syncLogStoreCheck
+    sync
+    gtest_main
+)
 
 
 enable_testing()

source/libs/sync/test/syncLogStoreCheck.cpp

+#include <gtest/gtest.h>
+#include <stdio.h>
+#include "syncEnv.h"
+#include "syncIO.h"
+#include "syncInt.h"
+#include "syncRaftLog.h"
+#include "syncRaftStore.h"
+#include "syncUtil.h"
+
+void logTest() {
+  sTrace("--- sync log test: trace");
+  sDebug("--- sync log test: debug");
+  sInfo("--- sync log test: info");
+  sWarn("--- sync log test: warn");
+  sError("--- sync log test: error");
+  sFatal("--- sync log test: fatal");
+}
+
+uint16_t ports[] = {7010, 7110, 7210, 7310, 7410};
+int32_t  replicaNum = 1;
+int32_t  myIndex = 0;
+
+SRaftId    ids[TSDB_MAX_REPLICA];
+SSyncInfo  syncInfo;
+SSyncFSM*  pFsm;
+SWal*      pWal;
+SSyncNode* pSyncNode;
+
+SSyncNode* syncNodeInit(const char *path) {
+  syncInfo.vgId = 1234;
+  syncInfo.rpcClient = gSyncIO->clientRpc;
+  syncInfo.FpSendMsg = syncIOSendMsg;
+  syncInfo.queue = gSyncIO->pMsgQ;
+  syncInfo.FpEqMsg = syncIOEqMsg;
+  syncInfo.pFsm = pFsm;
+  snprintf(syncInfo.path, sizeof(syncInfo.path), "%s", "./log_check");
+
+  int code = walInit();
+  assert(code == 0);
+  SWalCfg walCfg;
+  memset(&walCfg, 0, sizeof(SWalCfg));
+  walCfg.vgId = syncInfo.vgId;
+  walCfg.fsyncPeriod = 1000;
+  walCfg.retentionPeriod = 1000;
+  walCfg.rollPeriod = 1000;
+  walCfg.retentionSize = 1000;
+  walCfg.segSize = 1000;
+  walCfg.level = TAOS_WAL_FSYNC;
+  pWal = walOpen(path, &walCfg);
+  assert(pWal != NULL);
+
+  syncInfo.pWal = pWal;
+
+  SSyncCfg* pCfg = &syncInfo.syncCfg;
+  pCfg->myIndex = myIndex;
+  pCfg->replicaNum = replicaNum;
+
+  for (int i = 0; i < replicaNum; ++i) {
+    pCfg->nodeInfo[i].nodePort = ports[i];
+    snprintf(pCfg->nodeInfo[i].nodeFqdn, sizeof(pCfg->nodeInfo[i].nodeFqdn), "%s", "127.0.0.1");
+    // taosGetFqdn(pCfg->nodeInfo[0].nodeFqdn);
+  }
+
+  pSyncNode = syncNodeOpen(&syncInfo);
+  assert(pSyncNode != NULL);
+
+  gSyncIO->FpOnSyncPing = pSyncNode->FpOnPing;
+  gSyncIO->FpOnSyncPingReply = pSyncNode->FpOnPingReply;
+  gSyncIO->FpOnSyncRequestVote = pSyncNode->FpOnRequestVote;
+  gSyncIO->FpOnSyncRequestVoteReply = pSyncNode->FpOnRequestVoteReply;
+  gSyncIO->FpOnSyncAppendEntries = pSyncNode->FpOnAppendEntries;
+  gSyncIO->FpOnSyncAppendEntriesReply = pSyncNode->FpOnAppendEntriesReply;
+  gSyncIO->FpOnSyncPing = pSyncNode->FpOnPing;
+  gSyncIO->FpOnSyncPingReply = pSyncNode->FpOnPingReply;
+  gSyncIO->FpOnSyncTimeout = pSyncNode->FpOnTimeout;
+  gSyncIO->pSyncNode = pSyncNode;
+
+  return pSyncNode;
+}
+
+SSyncNode* logStoreCheck(const char *path) { return syncNodeInit(path); }
+
+
+
+int main(int argc, char** argv) {
+  // taosInitLog((char *)"syncTest.log", 100000, 10);
+  tsAsyncLog = 0;
+  sDebugFlag = 143 + 64;
+
+  myIndex = 0;
+  if (argc >= 2) {
+    myIndex = atoi(argv[1]);
+  }
+
+  int32_t ret = syncIOStart((char*)"127.0.0.1", ports[myIndex]);
+  assert(ret == 0);
+
+  ret = syncEnvStart();
+  assert(ret == 0);
+
+  pSyncNode = logStoreCheck(argv[1]);
+  assert(pSyncNode != NULL);
+
+  logStorePrint2((char*)"logStoreCheck", pSyncNode->pLogStore);
+
+  return 0;
+}

source/libs/sync/test/syncReplicateLoadTest.cpp

+#include <gtest/gtest.h>
+#include <stdio.h>
+#include "syncEnv.h"
+#include "syncIO.h"
+#include "syncInt.h"
+#include "syncMessage.h"
+#include "syncRaftEntry.h"
+#include "syncRaftLog.h"
+#include "syncRaftStore.h"
+#include "syncUtil.h"
+
+void logTest() {
+  sTrace("--- sync log test: trace");
+  sDebug("--- sync log test: debug");
+  sInfo("--- sync log test: info");
+  sWarn("--- sync log test: warn");
+  sError("--- sync log test: error");
+  sFatal("--- sync log test: fatal");
+}
+
+uint16_t ports[] = {7010, 7110, 7210, 7310, 7410};
+int32_t  replicaNum = 3;
+int32_t  myIndex = 0;
+
+SRaftId   ids[TSDB_MAX_REPLICA];
+SSyncInfo syncInfo;
+SSyncFSM *pFsm;
+SWal *    pWal;
+
+void CommitCb(struct SSyncFSM *pFsm, const SRpcMsg *pMsg, SyncIndex index, bool isWeak, int32_t code,
+              ESyncState state) {
+  char logBuf[256];
+  snprintf(logBuf, sizeof(logBuf), "==callback== ==CommitCb== pFsm:%p, index:%ld, isWeak:%d, code:%d, state:%d %s \n",
+           pFsm, index, isWeak, code, state, syncUtilState2String(state));
+  syncRpcMsgPrint2(logBuf, (SRpcMsg *)pMsg);
+}
+
+void PreCommitCb(struct SSyncFSM *pFsm, const SRpcMsg *pMsg, SyncIndex index, bool isWeak, int32_t code,
+                 ESyncState state) {
+  char logBuf[256];
+  snprintf(logBuf, sizeof(logBuf),
+           "==callback== ==PreCommitCb== pFsm:%p, index:%ld, isWeak:%d, code:%d, state:%d %s \n", pFsm, index, isWeak,
+           code, state, syncUtilState2String(state));
+  syncRpcMsgPrint2(logBuf, (SRpcMsg *)pMsg);
+}
+
+void RollBackCb(struct SSyncFSM *pFsm, const SRpcMsg *pMsg, SyncIndex index, bool isWeak, int32_t code,
+                ESyncState state) {
+  char logBuf[256];
+  snprintf(logBuf, sizeof(logBuf), "==callback== ==RollBackCb== pFsm:%p, index:%ld, isWeak:%d, code:%d, state:%d %s \n",
+           pFsm, index, isWeak, code, state, syncUtilState2String(state));
+  syncRpcMsgPrint2(logBuf, (SRpcMsg *)pMsg);
+}
+
+void initFsm() {
+  pFsm = (SSyncFSM *)malloc(sizeof(SSyncFSM));
+  pFsm->FpCommitCb = CommitCb;
+  pFsm->FpPreCommitCb = PreCommitCb;
+  pFsm->FpRollBackCb = RollBackCb;
+}
+
+int64_t syncNodeInit() {
+  syncInfo.vgId = 1234;
+  syncInfo.rpcClient = gSyncIO->clientRpc;
+  syncInfo.FpSendMsg = syncIOSendMsg;
+  syncInfo.queue = gSyncIO->pMsgQ;
+  syncInfo.FpEqMsg = syncIOEqMsg;
+  syncInfo.pFsm = pFsm;
+  snprintf(syncInfo.path, sizeof(syncInfo.path), "./replicate2_test_%d", myIndex);
+
+  int code = walInit();
+  assert(code == 0);
+  SWalCfg walCfg;
+  memset(&walCfg, 0, sizeof(SWalCfg));
+  walCfg.vgId = syncInfo.vgId;
+  walCfg.fsyncPeriod = 1000;
+  walCfg.retentionPeriod = 1000;
+  walCfg.rollPeriod = 1000;
+  walCfg.retentionSize = 1000;
+  walCfg.segSize = 1000;
+  walCfg.level = TAOS_WAL_FSYNC;
+
+  char tmpdir[128];
+  snprintf(tmpdir, sizeof(tmpdir), "./replicate2_test_wal_%d", myIndex);
+  pWal = walOpen(tmpdir, &walCfg);
+  assert(pWal != NULL);
+
+  syncInfo.pWal = pWal;
+
+  SSyncCfg *pCfg = &syncInfo.syncCfg;
+  pCfg->myIndex = myIndex;
+  pCfg->replicaNum = replicaNum;
+
+  for (int i = 0; i < replicaNum; ++i) {
+    pCfg->nodeInfo[i].nodePort = ports[i];
+    snprintf(pCfg->nodeInfo[i].nodeFqdn, sizeof(pCfg->nodeInfo[i].nodeFqdn), "%s", "127.0.0.1");
+    // taosGetFqdn(pCfg->nodeInfo[0].nodeFqdn);
+  }
+
+  int64_t rid = syncStart(&syncInfo);
+  assert(rid > 0);
+
+  SSyncNode *pSyncNode = (SSyncNode *)syncNodeAcquire(rid);
+  assert(pSyncNode != NULL);
+
+  // pSyncNode->hbBaseLine = 500;
+  // pSyncNode->electBaseLine = 1500;
+
+  gSyncIO->FpOnSyncPing = pSyncNode->FpOnPing;
+  gSyncIO->FpOnSyncPingReply = pSyncNode->FpOnPingReply;
+  gSyncIO->FpOnSyncRequestVote = pSyncNode->FpOnRequestVote;
+  gSyncIO->FpOnSyncRequestVoteReply = pSyncNode->FpOnRequestVoteReply;
+  gSyncIO->FpOnSyncAppendEntries = pSyncNode->FpOnAppendEntries;
+  gSyncIO->FpOnSyncAppendEntriesReply = pSyncNode->FpOnAppendEntriesReply;
+  gSyncIO->FpOnSyncTimeout = pSyncNode->FpOnTimeout;
+  gSyncIO->FpOnSyncClientRequest = pSyncNode->FpOnClientRequest;
+  gSyncIO->pSyncNode = pSyncNode;
+
+  syncNodeRelease(pSyncNode);
+
+  return rid;
+}
+
+void initRaftId(SSyncNode *pSyncNode) {
+  for (int i = 0; i < replicaNum; ++i) {
+    ids[i] = pSyncNode->replicasId[i];
+    char *s = syncUtilRaftId2Str(&ids[i]);
+    printf("raftId[%d] : %s\n", i, s);
+    free(s);
+  }
+}
+
+SRpcMsg *step0(int i) {
+  SRpcMsg *pMsg = (SRpcMsg *)malloc(sizeof(SRpcMsg));
+  memset(pMsg, 0, sizeof(SRpcMsg));
+  pMsg->msgType = 9999;
+  pMsg->contLen = 128;
+  pMsg->pCont = malloc(pMsg->contLen);
+  snprintf((char *)(pMsg->pCont), pMsg->contLen, "value-%u-%d", ports[myIndex], i);
+  return pMsg;
+}
+
+SyncClientRequest *step1(const SRpcMsg *pMsg) {
+  SyncClientRequest *pRetMsg = syncClientRequestBuild2(pMsg, 123, true);
+  return pRetMsg;
+}
+
+int main(int argc, char **argv) {
+  // taosInitLog((char *)"syncTest.log", 100000, 10);
+  tsAsyncLog = 0;
+  sDebugFlag = 143 + 64;
+  void logTest();
+
+  myIndex = 0;
+  if (argc >= 2) {
+    myIndex = atoi(argv[1]);
+  }
+
+  int32_t ret = syncIOStart((char *)"127.0.0.1", ports[myIndex]);
+  assert(ret == 0);
+
+  initFsm();
+
+  ret = syncInit();
+  assert(ret == 0);
+
+  int64_t rid = syncNodeInit();
+  assert(rid > 0);
+
+  SSyncNode *pSyncNode = (SSyncNode *)syncNodeAcquire(rid);
+  assert(pSyncNode != NULL);
+
+  syncNodePrint2((char *)"", pSyncNode);
+  initRaftId(pSyncNode);
+
+  // only load ...
+
+  while (1) {
+    sTrace(
+        "replicate sleep, state: %d, %s, term:%lu electTimerLogicClock:%lu, electTimerLogicClockUser:%lu, "
+        "electTimerMS:%d",
+        pSyncNode->state, syncUtilState2String(pSyncNode->state), pSyncNode->pRaftStore->currentTerm,
+        pSyncNode->electTimerLogicClock, pSyncNode->electTimerLogicClockUser, pSyncNode->electTimerMS);
+    taosMsleep(1000);
+  }
+
+  return 0;
+}