refactor(sync): add trace log

source/libs/sync/src/syncRespMgr.c

@@ -120,15 +120,18 @@ void syncRespClean(SSyncRespMgr *pObj) {
 void syncRespCleanByTTL(SSyncRespMgr *pObj, int64_t ttl) {
   SRespStub *pStub = (SRespStub *)taosHashIterate(pObj->pRespHash, NULL);
   int        cnt = 0;
+  int        sum = 0;
   SSyncNode *pSyncNode = pObj->data;
 
   SArray *delIndexArray = taosArrayInit(0, sizeof(uint64_t));
   ASSERT(delIndexArray != NULL);
+  sDebug("vgId:%d, resp mgr begin clean by ttl", pSyncNode->vgId);
 
   while (pStub) {
     size_t    len;
-    void *    key = taosHashGetKey(pStub, &len);
+    void     *key = taosHashGetKey(pStub, &len);
     uint64_t *pSeqNum = (uint64_t *)key;
+    sum++;
 
     int64_t nowMS = taosGetTimestampMs();
     if (nowMS - pStub->createTime > ttl) {
@@ -155,7 +158,7 @@ void syncRespCleanByTTL(SSyncRespMgr *pObj, int64_t ttl) {
   }
 
   int32_t arraySize = taosArrayGetSize(delIndexArray);
-  sDebug("vgId:%d, resp mgr clean by ttl, cnt:%d, array-size:%d", pSyncNode->vgId, cnt, arraySize);
+  sDebug("vgId:%d, resp mgr end clean by ttl, sum:%d, cnt:%d, array-size:%d", pSyncNode->vgId, sum, cnt, arraySize);
 
   for (int32_t i = 0; i < arraySize; ++i) {
     uint64_t *pSeqNum = taosArrayGet(delIndexArray, i);