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fix: eliminate asserts on errors of appending or getting log entry

This commit is contained in:
Benguang Zhao 2022-09-30 22:57:51 +08:00
parent 9055f63742
commit 715f53a856
4 changed files with 26 additions and 8 deletions
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4
source/libs/sync/src/syncAppendEntries.c
View File

@ -579,6 +579,7 @@ int32_t syncNodeOnAppendEntriesSnapshot2Cb(SSyncNode* ths, SyncAppendEntriesBatc
SSyncRaftEntry* pAppendEntry = (SSyncRaftEntry*)(pMsg->data + metaTableArr[i].offset);
code = ths->pLogStore->syncLogAppendEntry(ths->pLogStore, pAppendEntry);
if (code != 0) {
sError("vgId:%d, failed to append log entry since %s", ths->vgId, tstrerror(terrno));
return -1;
}
@ -710,6 +711,7 @@ int32_t syncNodeOnAppendEntriesSnapshot2Cb(SSyncNode* ths, SyncAppendEntriesBatc
SSyncRaftEntry* pAppendEntry = (SSyncRaftEntry*)(pMsg->data + metaTableArr[i].offset);
code = ths->pLogStore->syncLogAppendEntry(ths->pLogStore, pAppendEntry);
if (code != 0) {
sError("vgId:%d, failed to append log entry since %s", ths->vgId, tstrerror(terrno));
return -1;
}
@ -859,6 +861,7 @@ int32_t syncNodeOnAppendEntriesSnapshotCb(SSyncNode* ths, SyncAppendEntries* pMs
code = ths->pLogStore->syncLogAppendEntry(ths->pLogStore, pAppendEntry);
if (code != 0) {
sError("vgId:%d, failed to append log entry since %s", ths->vgId, tstrerror(terrno));
return -1;
}
@ -974,6 +977,7 @@ int32_t syncNodeOnAppendEntriesSnapshotCb(SSyncNode* ths, SyncAppendEntries* pMs
code = ths->pLogStore->syncLogAppendEntry(ths->pLogStore, pAppendEntry);
if (code != 0) {
sError("vgId:%d, failed to append log entry since %s", ths->vgId, tstrerror(terrno));
return -1;
}

5
source/libs/sync/src/syncCommit.c
View File

@ -76,7 +76,10 @@ void syncMaybeAdvanceCommitIndex(SSyncNode* pSyncNode) {
pEntry = (SSyncRaftEntry*)taosLRUCacheValue(pCache, h);
} else {
pEntry = pSyncNode->pLogStore->getEntry(pSyncNode->pLogStore, index);
ASSERT(pEntry != NULL);
if (pEntry == NULL) {
sError("failed to get entry since %s. index:%lld", tstrerror(terrno), index);
return;
}
}
// cannot commit, even if quorum agree. need check term!
if (pEntry->term <= pSyncNode->pRaftStore->currentTerm) {

7
source/libs/sync/src/syncMain.c
View File

@ -2650,7 +2650,10 @@ static int32_t syncNodeAppendNoop(SSyncNode* ths) {
if (ths->state == TAOS_SYNC_STATE_LEADER) {
int32_t code = ths->pLogStore->syncLogAppendEntry(ths->pLogStore, pEntry);
ASSERT(code == 0);
if (code != 0) {
sError("vgId:%d, failed to append log entry since %s", ths->vgId, tstrerror(terrno));
return -1;
}
syncNodeReplicate(ths, false);
}
@ -2790,8 +2793,8 @@ int32_t syncNodeOnClientRequestBatchCb(SSyncNode* ths, SyncClientRequestBatch* p
code = ths->pLogStore->syncLogAppendEntry(ths->pLogStore, pEntry);
if (code != 0) {
sError("vgId:%d, failed to append log entry since %s", ths->vgId, tstrerror(terrno));
// del resp mgr, call FpCommitCb
ASSERT(0);
return -1;
}

18
source/libs/sync/src/syncRaftLog.c
View File

@ -412,13 +412,11 @@ int32_t logStoreAppendEntry(SSyncLogStore* pLogStore, SSyncRaftEntry* pEntry) {
return 0;
}
SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
SSyncRaftEntry* logStoreGetEntryWithoutLock(SSyncLogStore* pLogStore, SyncIndex index) {
SSyncLogStoreData* pData = pLogStore->data;
SWal* pWal = pData->pWal;
if (index >= SYNC_INDEX_BEGIN && index <= logStoreLastIndex(pLogStore)) {
taosThreadMutexLock(&(pData->mutex));
// SWalReadHandle* pWalHandle = walOpenReadHandle(pWal);
SWalReader* pWalHandle = pData->pWalHandle;
ASSERT(pWalHandle != NULL);
@ -442,7 +440,8 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
}
} while (0);
ASSERT(0);
sError("failed to read ver since %s. index:%lld", tstrerror(terrno), index);
return NULL;
}
SSyncRaftEntry* pEntry = syncEntryBuild(pWalHandle->pHead->head.bodyLen);
@ -463,7 +462,6 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
terrno = saveErr;
*/
taosThreadMutexUnlock(&(pData->mutex));
return pEntry;
} else {
@ -471,6 +469,16 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
}
}
SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
SSyncLogStoreData* pData = pLogStore->data;
SSyncRaftEntry *pEntry = NULL;
taosThreadMutexLock(&pData->mutex);
pEntry = logStoreGetEntryWithoutLock(pLogStore, index);
taosThreadMutexUnlock(&pData->mutex);
return pEntry;
}
int32_t logStoreTruncate(SSyncLogStore* pLogStore, SyncIndex fromIndex) {
SSyncLogStoreData* pData = pLogStore->data;
SWal* pWal = pData->pWal;