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refactor(sync): optimize leader transfer

This commit is contained in:
Minghao Li 2022-11-18 18:42:08 +08:00
parent 1167c86b34
commit 788a103132
1 changed files with 8 additions and 1 deletions
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9
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);
}