TD-1948

src/sync/src/syncMain.c

@@ -1209,13 +1209,16 @@ static int32_t syncForwardToPeerImpl(SSyncNode *pNode, void *data, void *mhandle
   int32_t    fwdLen;
   int32_t    code = 0;
 
-  if (nodeRole == TAOS_SYNC_ROLE_SLAVE && pWalHead->version != nodeVersion + 1) {
-    sError("vgId:%d, received ver:%" PRIu64 ", inconsistent with last ver:%" PRIu64 ", restart connection", pNode->vgId,
-           pWalHead->version, nodeVersion);
+  if (pWalHead->version > nodeVersion + 1) {
+    sError("vgId:%d, hver:%" PRIu64 ", inconsistent with ver:%" PRIu64, pNode->vgId, pWalHead->version, nodeVersion);
+    if (nodeRole == TAOS_SYNC_ROLE_SLAVE) {
+      sInfo("vgId:%d, restart connection", pNode->vgId);
       for (int32_t i = 0; i < pNode->replica; ++i) {
         pPeer = pNode->peerInfo[i];
         syncRestartConnection(pPeer);
       }
+    }
+
     return TSDB_CODE_SYN_INVALID_VERSION;
   }