fix/TS-3524

source/dnode/mgmt/node_mgmt/src/dmTransport.c

@@ -23,7 +23,7 @@ static inline void dmBuildMnodeRedirectRsp(SDnode *pDnode, SRpcMsg *pMsg) {
   SEpSet epSet = {0};
   dmGetMnodeEpSetForRedirect(&pDnode->data, pMsg, &epSet);
 
-  if (epSet.numOfEps == 1) {
+  if(epSet.numOfEps == 0){
     return;
   }
 

source/dnode/mgmt/node_util/inc/dmUtil.h

@@ -105,6 +105,7 @@ typedef struct {
   SHashObj      *dnodeHash;
   TdThreadRwlock lock;
   SMsgCb         msgCb;
+  bool           validMnodeEps;
 } SDnodeData;
 
 typedef struct {

source/dnode/mgmt/node_util/src/dmEps.c

@@ -288,6 +288,8 @@ static void dmResetEps(SDnodeData *pData, SArray *dnodeEps) {
     taosHashPut(pData->dnodeHash, &pDnodeEp->id, sizeof(int32_t), pDnodeEp, sizeof(SDnodeEp));
   }
 
+  pData->validMnodeEps = true;
+
   dmPrintEps(pData);
 }
 
@@ -348,6 +350,7 @@ void dmRotateMnodeEpSet(SDnodeData *pData) {
 }
 
 void dmGetMnodeEpSetForRedirect(SDnodeData *pData, SRpcMsg *pMsg, SEpSet *pEpSet) {
+  if(pData->validMnodeEps) return;
   dmGetMnodeEpSet(pData, pEpSet);
   dTrace("msg is redirected, handle:%p num:%d use:%d", pMsg->info.handle, pEpSet->numOfEps, pEpSet->inUse);
   for (int32_t i = 0; i < pEpSet->numOfEps; ++i) {