feat: report service status

include/common/tmsg.h

@@ -723,7 +723,7 @@ typedef struct {
 
 typedef struct {
   int32_t vgId;
-  int8_t  role;
+  int32_t syncState;
   int64_t numOfTables;
   int64_t numOfTimeSeries;
   int64_t totalStorage;
@@ -736,6 +736,10 @@ typedef struct {
   int64_t numOfBatchInsertSuccessReqs;
 } SVnodeLoad;
 
+typedef struct {
+  int32_t syncState;
+} SMnodeLoad;
+
 typedef struct {
   int32_t     sver;      // software version
   int64_t     dnodeVer;  // dnode table version in sdb
@@ -1072,13 +1076,11 @@ int32_t tDeserializeSAuthReq(void* buf, int32_t bufLen, SAuthReq* pReq);
 
 typedef struct {
   int32_t statusCode;
-  int32_t detailLen;
-  char*   details;
+  char    details[1024];
 } SServerStatusRsp;
 
 int32_t tSerializeSServerStatusRsp(void* buf, int32_t bufLen, SServerStatusRsp* pRsp);
 int32_t tDeserializeSServerStatusRsp(void* buf, int32_t bufLen, SServerStatusRsp* pRsp);
-void    tFreeSServerStatusRsp(SServerStatusRsp* pRsp);
 
 /**
  * The layout of the query message payload is as following:

include/common/tmsgdef.h

@@ -228,6 +228,7 @@ enum {
   TD_DEF_MSG_TYPE(TDMT_MON_SM_INFO, "monitor-sinfo", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MON_BM_INFO, "monitor-binfo", NULL, NULL)
   TD_DEF_MSG_TYPE(TDMT_MON_VM_LOAD, "monitor-vload", NULL, NULL)
+  TD_DEF_MSG_TYPE(TDMT_MON_MM_LOAD, "monitor-mload", NULL, NULL)
   
 #if defined(TD_MSG_NUMBER_)
   TDMT_MAX

include/dnode/mnode/mnode.h

@@ -80,6 +80,7 @@ void    mndStop(SMnode *pMnode);
  * @return int32_t 0 for success, -1 for failure.
  */
 int32_t mndGetMonitorInfo(SMnode *pMnode, SMonClusterInfo *pCluster, SMonVgroupInfo *pVgroup, SMonGrantInfo *pGrant);
+int32_t mndGetLoad(SMnode *pMnode, SMnodeLoad *pLoad);
 
 /**
  * @brief Process the read, write, sync request.

include/libs/monitor/monitor.h

@@ -202,6 +202,14 @@ int32_t tSerializeSMonVloadInfo(void *buf, int32_t bufLen, SMonVloadInfo *pInfo)
 int32_t tDeserializeSMonVloadInfo(void *buf, int32_t bufLen, SMonVloadInfo *pInfo);
 void    tFreeSMonVloadInfo(SMonVloadInfo *pInfo);
 
+typedef struct {
+  int8_t     isMnode;
+  SMnodeLoad load;
+} SMonMloadInfo;
+
+int32_t tSerializeSMonMloadInfo(void *buf, int32_t bufLen, SMonMloadInfo *pInfo);
+int32_t tDeserializeSMonMloadInfo(void *buf, int32_t bufLen, SMonMloadInfo *pInfo);
+
 typedef struct {
   const char *server;
   uint16_t    port;

include/libs/sync/sync.h

@@ -172,6 +172,8 @@ int32_t syncForwardToPeer(int64_t rid, const SRpcMsg* pMsg, bool isWeak);
 
 extern int32_t sDebugFlag;
 
+const char *syncStr(ESyncState state);
+
 #ifdef __cplusplus
 }
 #endif

source/client/src/clientImpl.c

@@ -878,7 +878,5 @@ _OVER:
   if (rpcRsp.pCont != NULL) {
     rpcFreeCont(rpcRsp.pCont);
   }
-  tFreeSServerStatusRsp(&statusRsp);
-
   return code;
 }

source/common/src/tmsg.c

@@ -1003,7 +1003,7 @@ int32_t tSerializeSStatusReq(void *buf, int32_t bufLen, SStatusReq *pReq) {
   for (int32_t i = 0; i < vlen; ++i) {
     SVnodeLoad *pload = taosArrayGet(pReq->pVloads, i);
     if (tEncodeI32(&encoder, pload->vgId) < 0) return -1;
-    if (tEncodeI8(&encoder, pload->role) < 0) return -1;
+    if (tEncodeI32(&encoder, pload->syncState) < 0) return -1;
     if (tEncodeI64(&encoder, pload->numOfTables) < 0) return -1;
     if (tEncodeI64(&encoder, pload->numOfTimeSeries) < 0) return -1;
     if (tEncodeI64(&encoder, pload->totalStorage) < 0) return -1;
@@ -1054,7 +1054,7 @@ int32_t tDeserializeSStatusReq(void *buf, int32_t bufLen, SStatusReq *pReq) {
   for (int32_t i = 0; i < vlen; ++i) {
     SVnodeLoad vload = {0};
     if (tDecodeI32(&decoder, &vload.vgId) < 0) return -1;
-    if (tDecodeI8(&decoder, &vload.role) < 0) return -1;
+    if (tDecodeI32(&decoder, &vload.syncState) < 0) return -1;
     if (tDecodeI64(&decoder, &vload.numOfTables) < 0) return -1;
     if (tDecodeI64(&decoder, &vload.numOfTimeSeries) < 0) return -1;
     if (tDecodeI64(&decoder, &vload.totalStorage) < 0) return -1;
@@ -3105,10 +3105,7 @@ int32_t tSerializeSServerStatusRsp(void *buf, int32_t bufLen, SServerStatusRsp *
 
   if (tStartEncode(&encoder) < 0) return -1;
   if (tEncodeI32(&encoder, pRsp->statusCode) < 0) return -1;
-  if (tEncodeI32(&encoder, pRsp->detailLen) < 0) return -1;
-  if (pRsp->detailLen > 0) {
   if (tEncodeCStr(&encoder, pRsp->details) < 0) return -1;
-  }
 
   tEndEncode(&encoder);
 
@@ -3123,23 +3120,13 @@ int32_t tDeserializeSServerStatusRsp(void *buf, int32_t bufLen, SServerStatusRsp
 
   if (tStartDecode(&decoder) < 0) return -1;
   if (tDecodeI32(&decoder, &pRsp->statusCode) < 0) return -1;
-  if (tDecodeI32(&decoder, &pRsp->detailLen) < 0) return -1;
-  if (pRsp->detailLen > 0) {
-    pRsp->details = taosMemoryCalloc(1, pRsp->detailLen);
-    if (pRsp->details == NULL) {
-      terrno = TSDB_CODE_OUT_OF_MEMORY;
-      return -1;
-    }
   if (tDecodeCStrTo(&decoder, pRsp->details) < 0) return -1;
-  }
 
   tEndDecode(&decoder);
   tCoderClear(&decoder);
   return 0;
 }
 
-void tFreeSServerStatusRsp(SServerStatusRsp *pRsp) { taosMemoryFree(pRsp->details); }
-
 int32_t tEncodeSMqOffset(SCoder *encoder, const SMqOffset *pOffset) {
   if (tEncodeI32(encoder, pOffset->vgId) < 0) return -1;
   if (tEncodeI64(encoder, pOffset->offset) < 0) return -1;

source/dnode/mgmt/implement/inc/dmImp.h

@@ -49,6 +49,7 @@ int32_t dmProcessDropNodeReq(SDnode *pDnode, EDndNodeType ntype, SNodeMsg *pMsg)
 
 // dmMonitor.c
 void dmGetVnodeLoads(SDnode *pDnode, SMonVloadInfo *pInfo);
+void dmGetMnodeLoads(SDnode *pDnode, SMonMloadInfo *pInfo);
 void dmSendMonitorReport(SDnode *pDnode);
 
 // dmWorker.c
@@ -70,6 +71,7 @@ void vmSetMgmtFp(SMgmtWrapper *pWrapper);
 void mmSetMgmtFp(SMgmtWrapper *pWrapper);
 
 void vmGetVnodeLoads(SMgmtWrapper *pWrapper, SMonVloadInfo *pInfo);
+void mmGetMnodeLoads(SMgmtWrapper *pWrapper, SMonMloadInfo *pInfo);
 void mmGetMonitorInfo(SMgmtWrapper *pWrapper, SMonMmInfo *mmInfo);
 void vmGetMonitorInfo(SMgmtWrapper *pWrapper, SMonVmInfo *vmInfo);
 void qmGetMonitorInfo(SMgmtWrapper *pWrapper, SMonQmInfo *qmInfo);

source/dnode/mgmt/implement/src/dmHandle.c

@@ -72,9 +72,23 @@ void dmSendStatusReq(SDnode *pDnode) {
   memcpy(req.clusterCfg.charset, tsCharset, TD_LOCALE_LEN);
   taosRUnLockLatch(&pDnode->data.latch);
 
-  SMonVloadInfo info = {0};
-  dmGetVnodeLoads(pDnode, &info);
-  req.pVloads = info.pVloads;
+  SMonVloadInfo vinfo = {0};
+  dmGetVnodeLoads(pDnode, &vinfo);
+  req.pVloads = vinfo.pVloads;
+  pDnode->data.unsyncedVgId = 0;
+  pDnode->data.vndState = TAOS_SYNC_STATE_LEADER;
+  for (int32_t i = 0; i < taosArrayGetSize(req.pVloads); ++i) {
+    SVnodeLoad *pLoad = taosArrayGet(req.pVloads, i);
+    if (pLoad->syncState != TAOS_SYNC_STATE_LEADER && pLoad->syncState != TAOS_SYNC_STATE_FOLLOWER) {
+      pDnode->data.unsyncedVgId = pLoad->vgId;
+      pDnode->data.vndState = pLoad->syncState;
+    }
+  }
+
+  SMonMloadInfo minfo = {0};
+  dmGetMnodeLoads(pDnode, &minfo);
+  pDnode->data.isMnode = minfo.isMnode;
+  pDnode->data.mndState = minfo.load.syncState;
 
   int32_t contLen = tSerializeSStatusReq(NULL, 0, &req);
   void   *pHead = rpcMallocCont(contLen);

source/dnode/mgmt/implement/src/dmMonitor.c

@@ -183,3 +183,29 @@ void dmGetVnodeLoads(SDnode *pDnode, SMonVloadInfo *pInfo) {
   }
   dmReleaseWrapper(pWrapper);
 }
+
+void dmGetMnodeLoads(SDnode *pDnode, SMonMloadInfo *pInfo) {
+  SMgmtWrapper *pWrapper = dmAcquireWrapper(pDnode, MNODE);
+  if (pWrapper == NULL) {
+    pInfo->isMnode = 0;
+    return;
+  }
+
+  bool getFromAPI = !tsMultiProcess;
+  if (getFromAPI) {
+    mmGetMnodeLoads(pWrapper, pInfo);
+  } else {
+    SRpcMsg req = {.msgType = TDMT_MON_MM_LOAD};
+    SRpcMsg rsp = {0};
+    SEpSet  epset = {.inUse = 0, .numOfEps = 1};
+    tstrncpy(epset.eps[0].fqdn, pDnode->data.localFqdn, TSDB_FQDN_LEN);
+    epset.eps[0].port = tsServerPort;
+
+    dmSendRecv(pDnode, &epset, &req, &rsp);
+    if (rsp.code == 0 && rsp.contLen > 0) {
+      tDeserializeSMonMloadInfo(rsp.pCont, rsp.contLen, pInfo);
+    }
+    rpcFreeCont(rsp.pCont);
+  }
+  dmReleaseWrapper(pWrapper);
+}

source/dnode/mgmt/interface/inc/dmDef.h

@@ -38,6 +38,7 @@
 #include "dnode.h"
 #include "mnode.h"
 #include "monitor.h"
+#include "sync.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -110,6 +111,10 @@ typedef struct {
   int64_t       dnodeVer;
   int64_t       updateTime;
   int64_t       rebootTime;
+  int32_t       unsyncedVgId;
+  ESyncState    vndState;
+  ESyncState    mndState;
+  bool          isMnode;
   bool          dropped;
   SEpSet        mnodeEps;
   SArray       *dnodeEps;

source/dnode/mgmt/interface/src/dmInt.c

@@ -148,28 +148,26 @@ void dmReportStartupByWrapper(SMgmtWrapper *pWrapper, const char *pName, const c
 }
 
 static void dmGetServerStatus(SDnode *pDnode, SServerStatusRsp *pStatus) {
+  pStatus->details[0] = 0;
+
   if (pDnode->status == DND_STAT_INIT) {
     pStatus->statusCode = TSDB_SRV_STATUS_NETWORK_OK;
+    snprintf(pStatus->details, sizeof(pStatus->details), "%s: %s", pDnode->startup.name, pDnode->startup.desc);
   } else if (pDnode->status == DND_STAT_STOPPED) {
     pStatus->statusCode = TSDB_SRV_STATUS_EXTING;
+  } else {
+    SDnodeData *pData = &pDnode->data;
+    if (pData->isMnode && pData->mndState != TAOS_SYNC_STATE_FOLLOWER && pData->mndState != TAOS_SYNC_STATE_FOLLOWER) {
+      pStatus->statusCode = TSDB_SRV_STATUS_SERVICE_DEGRADED;
+      snprintf(pStatus->details, sizeof(pStatus->details), "mnode sync state is %s", syncStr(pData->mndState));
+    } else if (pData->unsyncedVgId != 0 && pData->vndState != TAOS_SYNC_STATE_FOLLOWER &&
+               pData->vndState != TAOS_SYNC_STATE_FOLLOWER) {
+      pStatus->statusCode = TSDB_SRV_STATUS_SERVICE_DEGRADED;
+      snprintf(pStatus->details, sizeof(pStatus->details), "vnode:%d sync state is %s", pData->unsyncedVgId,
+               syncStr(pData->vndState));
     } else {
       pStatus->statusCode = TSDB_SRV_STATUS_SERVICE_OK;
     }
-
-  if (pStatus->statusCode == TSDB_SRV_STATUS_NETWORK_OK) {
-    SStartupInfo *pStartup = &pDnode->startup;
-
-    int32_t len = strlen(pStartup->name) + strlen(pStartup->desc);
-    if (len > 0) {
-      pStatus->details = taosMemoryCalloc(1, len + 24);
-      if (pStatus->details != NULL) {
-        pStatus->detailLen = snprintf(pStatus->details, len + 20, "%s: %s", pStartup->name, pStartup->desc) + 1;
-      }
-    }
-  }
-
-  if (pStatus->statusCode == TSDB_SRV_STATUS_SERVICE_OK) {
-    // check the status of mnode and vnode
   }
 }
 
@@ -198,7 +196,6 @@ void dmProcessServerStatusReq(SDnode *pDnode, SRpcMsg *pReq) {
 
 _OVER:
   rpcSendResponse(&rspMsg);
-  tFreeSServerStatusRsp(&statusRsp);
 }
 
 void dmGetMonitorSysInfo(SMonSysInfo *pInfo) {

source/dnode/mgmt/mgmt_mnode/inc/mmInt.h

@@ -52,6 +52,8 @@ int32_t mmProcessCreateReq(SMgmtWrapper *pWrapper, SNodeMsg *pMsg);
 int32_t mmProcessDropReq(SMgmtWrapper *pWrapper, SNodeMsg *pMsg);
 int32_t mmProcessAlterReq(SMnodeMgmt *pMgmt, SNodeMsg *pMsg);
 int32_t mmProcessGetMonMmInfoReq(SMgmtWrapper *pWrapper, SNodeMsg *pReq);
+int32_t mmProcessGetMnodeLoadsReq(SMgmtWrapper *pWrapper, SNodeMsg *pReq);
+void    mmGetMnodeLoads(SMgmtWrapper *pWrapper, SMonMloadInfo *pInfo);
 
 // mmWorker.c
 int32_t mmStartWorker(SMnodeMgmt *pMgmt);

source/dnode/mgmt/mgmt_mnode/src/mmHandle.c

@@ -46,6 +46,34 @@ int32_t mmProcessGetMonMmInfoReq(SMgmtWrapper *pWrapper, SNodeMsg *pReq) {
   return 0;
 }
 
+void mmGetMnodeLoads(SMgmtWrapper *pWrapper, SMonMloadInfo *pInfo) {
+  SMnodeMgmt *pMgmt = pWrapper->pMgmt;
+  pInfo->isMnode = 1;
+  mndGetLoad(pMgmt->pMnode, &pInfo->load);
+}
+
+int32_t mmProcessGetMnodeLoadsReq(SMgmtWrapper *pWrapper, SNodeMsg *pReq) {
+  SMonMloadInfo mloads = {0};
+  mmGetMnodeLoads(pWrapper, &mloads);
+
+  int32_t rspLen = tSerializeSMonMloadInfo(NULL, 0, &mloads);
+  if (rspLen < 0) {
+    terrno = TSDB_CODE_INVALID_MSG;
+    return -1;
+  }
+
+  void *pRsp = rpcMallocCont(rspLen);
+  if (pRsp == NULL) {
+    terrno = TSDB_CODE_OUT_OF_MEMORY;
+    return -1;
+  }
+
+  tSerializeSMonMloadInfo(pRsp, rspLen, &mloads);
+  pReq->pRsp = pRsp;
+  pReq->rspLen = rspLen;
+  return 0;
+}
+
 int32_t mmProcessCreateReq(SMgmtWrapper *pWrapper, SNodeMsg *pMsg) {
   SDnode  *pDnode = pWrapper->pDnode;
   SRpcMsg *pReq = &pMsg->rpcMsg;
@@ -117,6 +145,7 @@ int32_t mmProcessAlterReq(SMnodeMgmt *pMgmt, SNodeMsg *pMsg) {
 
 void mmInitMsgHandle(SMgmtWrapper *pWrapper) {
   dmSetMsgHandle(pWrapper, TDMT_MON_MM_INFO, mmProcessMonitorMsg, DEFAULT_HANDLE);
+  dmSetMsgHandle(pWrapper, TDMT_MON_MM_LOAD, mmProcessMonitorMsg, DEFAULT_HANDLE);
 
   // Requests handled by DNODE
   dmSetMsgHandle(pWrapper, TDMT_DND_CREATE_MNODE_RSP, mmProcessWriteMsg, DEFAULT_HANDLE);

source/dnode/mgmt/mgmt_mnode/src/mmWorker.c

@@ -36,6 +36,8 @@ static void mmProcessQueue(SQueueInfo *pInfo, SNodeMsg *pMsg) {
     code = mmProcessAlterReq(pMgmt, pMsg);
   } else if (pMsg->rpcMsg.msgType == TDMT_MON_MM_INFO) {
     code = mmProcessGetMonMmInfoReq(pMgmt->pWrapper, pMsg);
+  } else if (pMsg->rpcMsg.msgType == TDMT_MON_MM_LOAD) {
+    code = mmProcessGetMnodeLoadsReq(pMgmt->pWrapper, pMsg);
   } else {
     pMsg->pNode = pMgmt->pMnode;
     code = mndProcessMsg(pMsg);

source/dnode/mgmt/mgmt_vnode/inc/vmInt.h

@@ -29,7 +29,6 @@ typedef struct SVnodesMgmt {
   SHashObj     *hash;
   SRWLatch      latch;
   SVnodesStat   state;
-  SVnodesStat   lastState;
   STfs         *pTfs;
   SQWorkerPool  queryPool;
   SQWorkerPool  fetchPool;

source/dnode/mgmt/mgmt_vnode/src/vmHandle.c

@@ -16,21 +16,42 @@
 #define _DEFAULT_SOURCE
 #include "vmInt.h"
 
-void vmGetMonitorInfo(SMgmtWrapper *pWrapper, SMonVmInfo *vmInfo) {
+void vmGetMonitorInfo(SMgmtWrapper *pWrapper, SMonVmInfo *pInfo) {
   SVnodesMgmt *pMgmt = pWrapper->pMgmt;
-  tfsGetMonitorInfo(pMgmt->pTfs, &vmInfo->tfs);
-
-  taosWLockLatch(&pMgmt->latch);
-  vmInfo->vstat.totalVnodes = pMgmt->state.totalVnodes;
-  vmInfo->vstat.masterNum = pMgmt->state.masterNum;
-  vmInfo->vstat.numOfSelectReqs = pMgmt->state.numOfSelectReqs - pMgmt->lastState.numOfSelectReqs;
-  vmInfo->vstat.numOfInsertReqs = pMgmt->state.numOfInsertReqs - pMgmt->lastState.numOfInsertReqs;
-  vmInfo->vstat.numOfInsertSuccessReqs = pMgmt->state.numOfInsertSuccessReqs - pMgmt->lastState.numOfInsertSuccessReqs;
-  vmInfo->vstat.numOfBatchInsertReqs = pMgmt->state.numOfBatchInsertReqs - pMgmt->lastState.numOfBatchInsertReqs;
-  vmInfo->vstat.numOfBatchInsertSuccessReqs =
-      pMgmt->state.numOfBatchInsertSuccessReqs - pMgmt->lastState.numOfBatchInsertSuccessReqs;
-  pMgmt->lastState = pMgmt->state;
-  taosWUnLockLatch(&pMgmt->latch);
+
+  SMonVloadInfo vloads = {0};
+  vmGetVnodeLoads(pWrapper, &vloads);
+  if (vloads.pVloads == NULL) return;
+
+  int32_t totalVnodes = 0;
+  int32_t masterNum = 0;
+  int64_t numOfSelectReqs = 0;
+  int64_t numOfInsertReqs = 0;
+  int64_t numOfInsertSuccessReqs = 0;
+  int64_t numOfBatchInsertReqs = 0;
+  int64_t numOfBatchInsertSuccessReqs = 0;
+
+  for (int32_t i = 0; i < taosArrayGetSize(vloads.pVloads); ++i) {
+    SVnodeLoad *pLoad = taosArrayGet(vloads.pVloads, i);
+    numOfSelectReqs += pLoad->numOfSelectReqs;
+    numOfInsertReqs += pLoad->numOfInsertReqs;
+    numOfInsertSuccessReqs += pLoad->numOfInsertSuccessReqs;
+    numOfBatchInsertReqs += pLoad->numOfBatchInsertReqs;
+    numOfBatchInsertSuccessReqs += pLoad->numOfBatchInsertSuccessReqs;
+    if (pLoad->syncState == TAOS_SYNC_STATE_LEADER) masterNum++;
+    totalVnodes++;
+  }
+
+  pInfo->vstat.totalVnodes = totalVnodes;
+  pInfo->vstat.masterNum = masterNum;
+  pInfo->vstat.numOfSelectReqs = numOfSelectReqs - pMgmt->state.numOfSelectReqs;
+  pInfo->vstat.numOfInsertReqs = numOfInsertReqs - pMgmt->state.numOfInsertReqs;
+  pInfo->vstat.numOfInsertSuccessReqs = numOfInsertSuccessReqs - pMgmt->state.numOfInsertSuccessReqs;
+  pInfo->vstat.numOfBatchInsertReqs = numOfBatchInsertReqs - pMgmt->state.numOfBatchInsertReqs;
+  pInfo->vstat.numOfBatchInsertSuccessReqs = numOfBatchInsertSuccessReqs - pMgmt->state.numOfBatchInsertSuccessReqs;
+  pMgmt->state = pInfo->vstat;
+
+  taosArrayDestroy(vloads.pVloads);
 }
 
 int32_t vmProcessGetMonVmInfoReq(SMgmtWrapper *pWrapper, SNodeMsg *pReq) {

source/dnode/mgmt/mgmt_vnode/src/vmInt.c

@@ -356,19 +356,9 @@ void vmSetMgmtFp(SMgmtWrapper *pWrapper) {
 
 void vmGetVnodeLoads(SMgmtWrapper *pWrapper, SMonVloadInfo *pInfo) {
   SVnodesMgmt *pMgmt = pWrapper->pMgmt;
-  SVnodesStat *pStat = &pMgmt->state;
-  SArray      *pLoads = taosArrayInit(pMgmt->state.totalVnodes, sizeof(SVnodeLoad));
 
-  int32_t totalVnodes = 0;
-  int32_t masterNum = 0;
-  int64_t numOfSelectReqs = 0;
-  int64_t numOfInsertReqs = 0;
-  int64_t numOfInsertSuccessReqs = 0;
-  int64_t numOfBatchInsertReqs = 0;
-  int64_t numOfBatchInsertSuccessReqs = 0;
-
-  pInfo->pVloads = pLoads;
-  if (pLoads == NULL) return;
+  pInfo->pVloads = taosArrayInit(pMgmt->state.totalVnodes, sizeof(SVnodeLoad));
+  if (pInfo->pVloads == NULL) return;
 
   taosRLockLatch(&pMgmt->latch);
 
@@ -380,28 +370,9 @@ void vmGetVnodeLoads(SMgmtWrapper *pWrapper, SMonVloadInfo *pInfo) {
     SVnodeObj *pVnode = *ppVnode;
     SVnodeLoad vload = {0};
     vnodeGetLoad(pVnode->pImpl, &vload);
-    taosArrayPush(pLoads, &vload);
-
-    numOfSelectReqs += vload.numOfSelectReqs;
-    numOfInsertReqs += vload.numOfInsertReqs;
-    numOfInsertSuccessReqs += vload.numOfInsertSuccessReqs;
-    numOfBatchInsertReqs += vload.numOfBatchInsertReqs;
-    numOfBatchInsertSuccessReqs += vload.numOfBatchInsertSuccessReqs;
-    totalVnodes++;
-    if (vload.role == TAOS_SYNC_STATE_LEADER) masterNum++;
-
+    taosArrayPush(pInfo->pVloads, &vload);
     pIter = taosHashIterate(pMgmt->hash, pIter);
   }
 
   taosRUnLockLatch(&pMgmt->latch);
-
-  taosWLockLatch(&pMgmt->latch);
-  pStat->totalVnodes = totalVnodes;
-  pStat->masterNum = masterNum;
-  pStat->numOfSelectReqs = numOfSelectReqs;
-  pStat->numOfInsertReqs = numOfInsertReqs;
-  pStat->numOfInsertSuccessReqs = numOfInsertSuccessReqs;
-  pStat->numOfBatchInsertReqs = numOfBatchInsertReqs;
-  pStat->numOfBatchInsertSuccessReqs = numOfBatchInsertSuccessReqs;
-  taosWUnLockLatch(&pMgmt->latch);
 }
\ No newline at end of file

source/dnode/mnode/impl/inc/mndInt.h

@@ -47,21 +47,6 @@ typedef int32_t (*MndInitFp)(SMnode *pMnode);
 typedef void (*MndCleanupFp)(SMnode *pMnode);
 typedef int32_t (*ShowRetrieveFp)(SNodeMsg *pMsg, SShowObj *pShow, SSDataBlock* pBlock, int32_t rows);
 typedef void (*ShowFreeIterFp)(SMnode *pMnode, void *pIter);
-
-typedef struct SMnodeLoad {
-  int64_t numOfDnode;
-  int64_t numOfMnode;
-  int64_t numOfVgroup;
-  int64_t numOfDatabase;
-  int64_t numOfSuperTable;
-  int64_t numOfChildTable;
-  int64_t numOfNormalTable;
-  int64_t numOfColumn;
-  int64_t totalPoints;
-  int64_t totalStorage;
-  int64_t compStorage;
-} SMnodeLoad;
-
 typedef struct SQWorkerMgmt SQHandle;
 
 typedef struct {
@@ -129,7 +114,6 @@ struct SMnode {
 
 void    mndSetMsgHandle(SMnode *pMnode, tmsg_t msgType, MndMsgFp fp);
 int64_t mndGenerateUid(char *name, int32_t len);
-void    mndGetLoad(SMnode *pMnode, SMnodeLoad *pLoad);
 
 #ifdef __cplusplus
 }

source/dnode/mnode/impl/inc/mndMnode.h

@@ -29,7 +29,6 @@ void        mndReleaseMnode(SMnode *pMnode, SMnodeObj *pObj);
 bool       mndIsMnode(SMnode *pMnode, int32_t dnodeId);
 void       mndGetMnodeEpSet(SMnode *pMnode, SEpSet *pEpSet);
 void       mndUpdateMnodeRole(SMnode *pMnode);
-const char *mndGetRoleStr(int32_t role);
 
 #ifdef __cplusplus
 }

source/dnode/mnode/impl/src/mndDnode.c

@@ -326,7 +326,7 @@ static int32_t mndProcessStatusReq(SNodeMsg *pReq) {
 
     SVgObj *pVgroup = mndAcquireVgroup(pMnode, pVload->vgId);
     if (pVgroup != NULL) {
-      if (pVload->role == TAOS_SYNC_STATE_LEADER) {
+      if (pVload->syncState == TAOS_SYNC_STATE_LEADER) {
         pVgroup->numOfTables = pVload->numOfTables;
         pVgroup->numOfTimeSeries = pVload->numOfTimeSeries;
         pVgroup->totalStorage = pVload->totalStorage;
@@ -335,10 +335,10 @@ static int32_t mndProcessStatusReq(SNodeMsg *pReq) {
       }
       bool roleChanged = false;
       for (int32_t vg = 0; vg < pVgroup->replica; ++vg) {
-        if (pVgroup->vnodeGid[vg].role != pVload->role) {
+        if (pVgroup->vnodeGid[vg].role != pVload->syncState) {
           roleChanged = true;
         }
-        pVgroup->vnodeGid[vg].role = pVload->role;
+        pVgroup->vnodeGid[vg].role = pVload->syncState;
       }
       if (roleChanged) {
         // notify scheduler role has changed

source/dnode/mnode/impl/src/mndMnode.c

@@ -75,19 +75,6 @@ void mndReleaseMnode(SMnode *pMnode, SMnodeObj *pObj) {
   sdbRelease(pMnode->pSdb, pObj);
 }
 
-const char *mndGetRoleStr(int32_t showType) {
-  switch (showType) {
-    case TAOS_SYNC_STATE_FOLLOWER:
-      return "FOLLOWER";
-    case TAOS_SYNC_STATE_CANDIDATE:
-      return "CANDIDATE";
-    case TAOS_SYNC_STATE_LEADER:
-      return "LEADER";
-    default:
-      return "ERROR";
-  }
-}
-
 void mndUpdateMnodeRole(SMnode *pMnode) {
   SSdb *pSdb = pMnode->pSdb;
   void *pIter = NULL;
@@ -637,7 +624,7 @@ static int32_t mndRetrieveMnodes(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *p
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, b1, false);
 
-    const char *roles = mndGetRoleStr(pObj->role);
+    const char *roles = syncStr(pObj->role);
     char       *b2 = taosMemoryCalloc(1, strlen(roles) + VARSTR_HEADER_SIZE);
     STR_WITH_MAXSIZE_TO_VARSTR(b2, roles, pShow->bytes[cols]);
 

source/dnode/mnode/impl/src/mndTelem.c

@@ -24,20 +24,60 @@
 #define TELEMETRY_SERVER "telemetry.taosdata.com"
 #define TELEMETRY_PORT   80
 
+typedef struct {
+  int64_t numOfDnode;
+  int64_t numOfMnode;
+  int64_t numOfVgroup;
+  int64_t numOfDatabase;
+  int64_t numOfSuperTable;
+  int64_t numOfChildTable;
+  int64_t numOfNormalTable;
+  int64_t numOfColumn;
+  int64_t totalPoints;
+  int64_t totalStorage;
+  int64_t compStorage;
+} SMnodeStat;
+
+static void mndGetStat(SMnode* pMnode, SMnodeStat* pStat) {
+  memset(pStat, 0, sizeof(SMnodeStat));
+
+  SSdb* pSdb = pMnode->pSdb;
+  pStat->numOfDnode = sdbGetSize(pSdb, SDB_DNODE);
+  pStat->numOfMnode = sdbGetSize(pSdb, SDB_MNODE);
+  pStat->numOfVgroup = sdbGetSize(pSdb, SDB_VGROUP);
+  pStat->numOfDatabase = sdbGetSize(pSdb, SDB_DB);
+  pStat->numOfSuperTable = sdbGetSize(pSdb, SDB_STB);
+
+  void* pIter = NULL;
+  while (1) {
+    SVgObj* pVgroup = NULL;
+    pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void**)&pVgroup);
+    if (pIter == NULL) break;
+
+    pStat->numOfChildTable += pVgroup->numOfTables;
+    pStat->numOfColumn += pVgroup->numOfTimeSeries;
+    pStat->totalPoints += pVgroup->pointsWritten;
+    pStat->totalStorage += pVgroup->totalStorage;
+    pStat->compStorage += pVgroup->compStorage;
+
+    sdbRelease(pSdb, pVgroup);
+  }
+}
+
 static void mndBuildRuntimeInfo(SMnode* pMnode, SJson* pJson) {
-  SMnodeLoad load = {0};
-  mndGetLoad(pMnode, &load);
-
-  tjsonAddDoubleToObject(pJson, "numOfDnode", load.numOfDnode);
-  tjsonAddDoubleToObject(pJson, "numOfMnode", load.numOfMnode);
-  tjsonAddDoubleToObject(pJson, "numOfVgroup", load.numOfVgroup);
-  tjsonAddDoubleToObject(pJson, "numOfDatabase", load.numOfDatabase);
-  tjsonAddDoubleToObject(pJson, "numOfSuperTable", load.numOfSuperTable);
-  tjsonAddDoubleToObject(pJson, "numOfChildTable", load.numOfChildTable);
-  tjsonAddDoubleToObject(pJson, "numOfColumn", load.numOfColumn);
-  tjsonAddDoubleToObject(pJson, "numOfPoint", load.totalPoints);
-  tjsonAddDoubleToObject(pJson, "totalStorage", load.totalStorage);
-  tjsonAddDoubleToObject(pJson, "compStorage", load.compStorage);
+  SMnodeStat mstat = {0};
+  mndGetStat(pMnode, &mstat);
+
+  tjsonAddDoubleToObject(pJson, "numOfDnode", mstat.numOfDnode);
+  tjsonAddDoubleToObject(pJson, "numOfMnode", mstat.numOfMnode);
+  tjsonAddDoubleToObject(pJson, "numOfVgroup", mstat.numOfVgroup);
+  tjsonAddDoubleToObject(pJson, "numOfDatabase", mstat.numOfDatabase);
+  tjsonAddDoubleToObject(pJson, "numOfSuperTable", mstat.numOfSuperTable);
+  tjsonAddDoubleToObject(pJson, "numOfChildTable", mstat.numOfChildTable);
+  tjsonAddDoubleToObject(pJson, "numOfColumn", mstat.numOfColumn);
+  tjsonAddDoubleToObject(pJson, "numOfPoint", mstat.totalPoints);
+  tjsonAddDoubleToObject(pJson, "totalStorage", mstat.totalStorage);
+  tjsonAddDoubleToObject(pJson, "compStorage", mstat.compStorage);
 }
 
 static char* mndBuildTelemetryReport(SMnode* pMnode) {

source/dnode/mnode/impl/src/mndVgroup.c

@@ -545,7 +545,7 @@ static int32_t mndRetrieveVgroups(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock*
         colDataAppend(pColInfo, numOfRows, (const char *)&pVgroup->vnodeGid[i].dnodeId, false);
 
         char        buf1[20] = {0};
-        const char *role = mndGetRoleStr(pVgroup->vnodeGid[i].role);
+        const char *role = syncStr(pVgroup->vnodeGid[i].role);
         STR_WITH_MAXSIZE_TO_VARSTR(buf1, role, pShow->bytes[cols]);
 
         pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
@@ -636,7 +636,7 @@ static int32_t mndRetrieveVnodes(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock* p
       colDataAppend(pColInfo, numOfRows, (const char *)&val, false);
 
       char buf[20] = {0};
-      STR_TO_VARSTR(buf, mndGetRoleStr(pVgid->role));
+      STR_TO_VARSTR(buf, syncStr(pVgid->role));
       pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
       colDataAppend(pColInfo, numOfRows, (const char *)buf, false);
 

source/dnode/mnode/impl/src/mnode.c

@@ -414,31 +414,6 @@ int64_t mndGenerateUid(char *name, int32_t len) {
   } while (true);
 }
 
-void mndGetLoad(SMnode *pMnode, SMnodeLoad *pLoad) {
-  memset(pLoad, 0, sizeof(SMnodeLoad));
-
-  SSdb *pSdb = pMnode->pSdb;
-  pLoad->numOfDnode = sdbGetSize(pSdb, SDB_DNODE);
-  pLoad->numOfMnode = sdbGetSize(pSdb, SDB_MNODE);
-  pLoad->numOfVgroup = sdbGetSize(pSdb, SDB_VGROUP);
-  pLoad->numOfDatabase = sdbGetSize(pSdb, SDB_DB);
-  pLoad->numOfSuperTable = sdbGetSize(pSdb, SDB_STB);
-
-  void *pIter = NULL;
-  while (1) {
-    SVgObj *pVgroup = NULL;
-    pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup);
-    if (pIter == NULL) break;
-
-    pLoad->numOfChildTable += pVgroup->numOfTables;
-    pLoad->numOfColumn += pVgroup->numOfTimeSeries;
-    pLoad->totalPoints += pVgroup->pointsWritten;
-    pLoad->totalStorage += pVgroup->totalStorage;
-    pLoad->compStorage += pVgroup->compStorage;
-
-    sdbRelease(pSdb, pVgroup);
-  }
-}
 
 int32_t mndGetMonitorInfo(SMnode *pMnode, SMonClusterInfo *pClusterInfo, SMonVgroupInfo *pVgroupInfo,
                           SMonGrantInfo *pGrantInfo) {
@@ -486,7 +461,7 @@ int32_t mndGetMonitorInfo(SMnode *pMnode, SMonClusterInfo *pClusterInfo, SMonVgr
     SMonMnodeDesc desc = {0};
     desc.mnode_id = pObj->id;
     tstrncpy(desc.mnode_ep, pObj->pDnode->ep, sizeof(desc.mnode_ep));
-    tstrncpy(desc.role, mndGetRoleStr(pObj->role), sizeof(desc.role));
+    tstrncpy(desc.role, syncStr(pObj->role), sizeof(desc.role));
     taosArrayPush(pClusterInfo->mnodes, &desc);
     sdbRelease(pSdb, pObj);
 
@@ -520,7 +495,7 @@ int32_t mndGetMonitorInfo(SMnode *pMnode, SMonClusterInfo *pClusterInfo, SMonVgr
       SVnodeGid     *pVgid = &pVgroup->vnodeGid[i];
       SMonVnodeDesc *pVnDesc = &desc.vnodes[i];
       pVnDesc->dnode_id = pVgid->dnodeId;
-      tstrncpy(pVnDesc->vnode_role, mndGetRoleStr(pVgid->role), sizeof(pVnDesc->vnode_role));
+      tstrncpy(pVnDesc->vnode_role, syncStr(pVgid->role), sizeof(pVnDesc->vnode_role));
       if (pVgid->role == TAOS_SYNC_STATE_LEADER) {
         tstrncpy(desc.status, "ready", sizeof(desc.status));
         pClusterInfo->vgroups_alive++;
@@ -545,3 +520,8 @@ int32_t mndGetMonitorInfo(SMnode *pMnode, SMonClusterInfo *pClusterInfo, SMonVgr
 
   return 0;
 }
+
+int32_t mndGetLoad(SMnode *pMnode, SMnodeLoad *pLoad) {
+  pLoad->syncState = pMnode->syncMgmt.state;
+  return 0;
+}
\ No newline at end of file

source/dnode/vnode/src/vnd/vnodeQuery.c

@@ -152,7 +152,7 @@ _exit:
 
 int32_t vnodeGetLoad(SVnode *pVnode, SVnodeLoad *pLoad) {
   pLoad->vgId = TD_VID(pVnode);
-  pLoad->role = TAOS_SYNC_STATE_LEADER;
+  pLoad->syncState = TAOS_SYNC_STATE_LEADER;
   pLoad->numOfTables = metaGetTbNum(pVnode->pMeta);
   pLoad->numOfTimeSeries = 400;
   pLoad->totalStorage = 300;

source/libs/monitor/src/monMsg.c

@@ -473,7 +473,7 @@ int32_t tSerializeSMonVloadInfo(void *buf, int32_t bufLen, SMonVloadInfo *pInfo)
   for (int32_t i = 0; i < taosArrayGetSize(pInfo->pVloads); ++i) {
     SVnodeLoad *pLoad = taosArrayGet(pInfo->pVloads, i);
     if (tEncodeI32(&encoder, pLoad->vgId) < 0) return -1;
-    if (tEncodeI8(&encoder, pLoad->role) < 0) return -1;
+    if (tEncodeI32(&encoder, pLoad->syncState) < 0) return -1;
     if (tEncodeI64(&encoder, pLoad->numOfTables) < 0) return -1;
     if (tEncodeI64(&encoder, pLoad->numOfTimeSeries) < 0) return -1;
     if (tEncodeI64(&encoder, pLoad->totalStorage) < 0) return -1;
@@ -507,7 +507,7 @@ int32_t tDeserializeSMonVloadInfo(void *buf, int32_t bufLen, SMonVloadInfo *pInf
   for (int32_t i = 0; i < arraySize; ++i) {
     SVnodeLoad load = {0};
     if (tDecodeI32(&decoder, &load.vgId) < 0) return -1;
-    if (tDecodeI8(&decoder, &load.role) < 0) return -1;
+    if (tDecodeI32(&decoder, &load.syncState) < 0) return -1;
     if (tDecodeI64(&decoder, &load.numOfTables) < 0) return -1;
     if (tDecodeI64(&decoder, &load.numOfTimeSeries) < 0) return -1;
     if (tDecodeI64(&decoder, &load.totalStorage) < 0) return -1;
@@ -530,3 +530,30 @@ void tFreeSMonVloadInfo(SMonVloadInfo *pInfo) {
   taosArrayDestroy(pInfo->pVloads);
   pInfo->pVloads = NULL;
 }
+
+int32_t tSerializeSMonMloadInfo(void *buf, int32_t bufLen, SMonMloadInfo *pInfo) {
+  SCoder encoder = {0};
+  tCoderInit(&encoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_ENCODER);
+
+  if (tStartEncode(&encoder) < 0) return -1;
+  if (tEncodeI8(&encoder, pInfo->isMnode) < 0) return -1;
+  if (tEncodeI32(&encoder, pInfo->load.syncState) < 0) return -1;
+  tEndEncode(&encoder);
+
+  int32_t tlen = encoder.pos;
+  tCoderClear(&encoder);
+  return tlen;
+}
+
+int32_t tDeserializeSMonMloadInfo(void *buf, int32_t bufLen, SMonMloadInfo *pInfo) {
+  SCoder decoder = {0};
+  tCoderInit(&decoder, TD_LITTLE_ENDIAN, buf, bufLen, TD_DECODER);
+
+  if (tStartDecode(&decoder) < 0) return -1;
+  if (tDecodeI8(&decoder, &pInfo->isMnode) < 0) return -1;
+  if (tDecodeI32(&decoder, &pInfo->load.syncState) < 0) return -1;
+  tEndDecode(&decoder);
+
+  tCoderClear(&decoder);
+  return 0;
+}
\ No newline at end of file

source/libs/sync/src/syncMain.c

@@ -930,3 +930,16 @@ static void syncFreeNode(void* param) {
 
   taosMemoryFree(pNode);
 }
+
+const char* syncStr(ESyncState state) {
+  switch (state) {
+    case TAOS_SYNC_STATE_FOLLOWER:
+      return "FOLLOWER";
+    case TAOS_SYNC_STATE_CANDIDATE:
+      return "CANDIDATE";
+    case TAOS_SYNC_STATE_LEADER:
+      return "LEADER";
+    default:
+      return "ERROR";
+  }
+}
\ No newline at end of file