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fix:[TD24010] lost data if apply ver is small than commit ver

This commit is contained in:
wangmm0220 2023-05-08 16:49:56 +08:00
parent 261f2736f7
commit f9142c0ddb
3 changed files with 14 additions and 7 deletions
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2
include/libs/wal/wal.h
View File

@ -132,7 +132,7 @@ typedef struct {
} SWalRef;
typedef struct {
int8_t scanUncommited;
// int8_t scanUncommited;
int8_t scanNotApplied;
int8_t scanMeta;
int8_t enableRef;

4
source/client/src/clientSml.c
View File

@ -1580,7 +1580,9 @@ static int smlProcess(SSmlHandle *info, char *lines[], char *rawLine, char *rawL
code = smlModifyDBSchemas(info);
if (code == 0 || code == TSDB_CODE_SML_INVALID_DATA || code == TSDB_CODE_PAR_TOO_MANY_COLUMNS
|| code == TSDB_CODE_PAR_INVALID_TAGS_NUM || code == TSDB_CODE_PAR_INVALID_TAGS_LENGTH
|| code == TSDB_CODE_PAR_INVALID_ROW_LENGTH) break;
|| code == TSDB_CODE_PAR_INVALID_ROW_LENGTH || code == TSDB_CODE_MND_FIELD_VALUE_OVERFLOW) {
break;
}
taosMsleep(100);
uInfo("SML:0x%" PRIx64 " smlModifyDBSchemas retry code:%s, times:%d", info->id, tstrerror(code), retryNum);
} while (retryNum++ < taosHashGetSize(info->superTables) * MAX_RETRY_TIMES);

15
source/libs/wal/src/walRead.c
View File

@ -37,7 +37,7 @@ SWalReader *walOpenReader(SWal *pWal, SWalFilterCond *cond) {
if (cond) {
pReader->cond = *cond;
} else {
pReader->cond.scanUncommited = 0;
// pReader->cond.scanUncommited = 0;
pReader->cond.scanNotApplied = 0;
pReader->cond.scanMeta = 0;
pReader->cond.enableRef = 0;
@ -74,13 +74,18 @@ int32_t walNextValidMsg(SWalReader *pReader) {
int64_t lastVer = walGetLastVer(pReader->pWal);
int64_t committedVer = walGetCommittedVer(pReader->pWal);
int64_t appliedVer = walGetAppliedVer(pReader->pWal);
int64_t endVer = pReader->cond.scanUncommited ? lastVer : committedVer;
while(appliedVer < committedVer){ // wait apply ver equal to commit ver, otherwise may lost data when consume data [TD-24010]
wDebug("vgId:%d, wal apply ver:%"PRId64" smaller than commit ver:%"PRId64", so sleep 1ms", pReader->pWal->cfg.vgId, appliedVer, committedVer);
taosMsleep(1);
appliedVer = walGetAppliedVer(pReader->pWal);
}
// int64_t endVer = pReader->cond.scanUncommited ? lastVer : committedVer;
// endVer = TMIN(appliedVer, endVer);
wDebug("vgId:%d, wal start to fetch, index:%" PRId64 ", last index:%" PRId64 " commit index:%" PRId64
", applied index:%" PRId64 ", end index:%" PRId64,
pReader->pWal->cfg.vgId, fetchVer, lastVer, committedVer, appliedVer, endVer);
while (fetchVer <= endVer) {
", applied index:%" PRId64,
pReader->pWal->cfg.vgId, fetchVer, lastVer, committedVer, appliedVer);
while (fetchVer <= committedVer) {
if (walFetchHeadNew(pReader, fetchVer) < 0) {
return -1;
}