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enh: vote for higher lastLogTerm despite commitIndex

This commit is contained in:
Benguang Zhao 2023-01-05 16:59:16 +08:00
parent 47ace00090
commit e66f19ab46
1 changed files with 8 additions and 10 deletions
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16
source/libs/sync/src/syncRequestVote.c
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@ -48,15 +48,6 @@ static bool syncNodeOnRequestVoteLogOK(SSyncNode* pSyncNode, SyncRequestVote* pM
SyncTerm myLastTerm = syncNodeGetLastTerm(pSyncNode);
SyncIndex myLastIndex = syncNodeGetLastIndex(pSyncNode);
if (pMsg->lastLogIndex < pSyncNode->commitIndex) {
sNTrace(pSyncNode,
"logok:0, {my-lterm:%" PRIu64 ", my-lindex:%" PRId64 ", recv-lterm:%" PRIu64 ", recv-lindex:%" PRId64
", recv-term:%" PRIu64 "}",
myLastTerm, myLastIndex, pMsg->lastLogTerm, pMsg->lastLogIndex, pMsg->term);
return false;
}
if (myLastTerm == SYNC_TERM_INVALID) {
sNTrace(pSyncNode,
"logok:0, {my-lterm:%" PRIu64 ", my-lindex:%" PRId64 ", recv-lterm:%" PRIu64 ", recv-lindex:%" PRId64
@ -70,6 +61,13 @@ static bool syncNodeOnRequestVoteLogOK(SSyncNode* pSyncNode, SyncRequestVote* pM
"logok:1, {my-lterm:%" PRIu64 ", my-lindex:%" PRId64 ", recv-lterm:%" PRIu64 ", recv-lindex:%" PRId64
", recv-term:%" PRIu64 "}",
myLastTerm, myLastIndex, pMsg->lastLogTerm, pMsg->lastLogIndex, pMsg->term);
if (pMsg->lastLogIndex < pSyncNode->commitIndex) {
sNWarn(pSyncNode,
"logok:1, commit rollback required. {my-lterm:%" PRIu64 ", my-lindex:%" PRId64 ", recv-lterm:%" PRIu64
", recv-lindex:%" PRId64 ", recv-term:%" PRIu64 "}",
myLastTerm, myLastIndex, pMsg->lastLogTerm, pMsg->lastLogIndex, pMsg->term);
}
return true;
}