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Merge pull request #18271 from taosdata/fix/sync 

refactor(sync): optimize leader transfer
This commit is contained in:
Shengliang Guan 2022-11-18 22:20:38 +08:00 committed by GitHub
parent 0312833e48 ff2a0db9f7
commit aa55baa30c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 2 deletions
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13
source/libs/sync/src/syncMain.c
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@ -436,8 +436,15 @@ int32_t syncNodeLeaderTransfer(SSyncNode* pSyncNode) {
}
int32_t ret = 0;
if (pSyncNode->state == TAOS_SYNC_STATE_LEADER) {
if (pSyncNode->state == TAOS_SYNC_STATE_LEADER && pSyncNode->replicaNum > 1) {
SNodeInfo newLeader = (pSyncNode->peersNodeInfo)[0];
if (pSyncNode->peersNum == 2) {
SyncIndex matchIndex0 = syncIndexMgrGetIndex(pSyncNode->pMatchIndex, &(pSyncNode->peersId[0]));
SyncIndex matchIndex1 = syncIndexMgrGetIndex(pSyncNode->pMatchIndex, &(pSyncNode->peersId[1]));
if (matchIndex1 > matchIndex0) {
newLeader = (pSyncNode->peersNodeInfo)[1];
}
}
ret = syncNodeLeaderTransferTo(pSyncNode, newLeader);
}
@ -1396,7 +1403,7 @@ void syncNodeDoConfigChange(SSyncNode* pSyncNode, SSyncCfg* pNewConfig, SyncInde
// reset sender
bool reset = false;
for (int32_t j = 0; j < TSDB_MAX_REPLICA; ++j) {
if (syncUtilSameId(&(pSyncNode->replicasId)[i], &oldReplicasId[j])) {
if (syncUtilSameId(&(pSyncNode->replicasId)[i], &oldReplicasId[j]) && oldSenders[j] != NULL) {
char host[128];
uint16_t port;
syncUtilU642Addr((pSyncNode->replicasId)[i].addr, host, sizeof(host), &port);
@ -1413,6 +1420,8 @@ void syncNodeDoConfigChange(SSyncNode* pSyncNode, SSyncCfg* pNewConfig, SyncInde
sNTrace(pSyncNode, "snapshot sender udpate replicaIndex from %d to %d, %s:%d, %p, reset:%d", oldreplicaIndex,
i, host, port, (pSyncNode->senders)[i], reset);
break;
}
}
}