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fix(tsdb): fix race condition.

This commit is contained in:
Haojun Liao 2023-10-12 17:57:03 +08:00
parent b782af2534
commit 506c55001d
3 changed files with 6 additions and 4 deletions
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2
source/dnode/vnode/src/tsdb/tsdbFS2.c
View File

@ -967,7 +967,6 @@ int32_t tsdbFSCreateRefSnapshot(STFileSystem *fs, TFileSetArray **fsetArr) {
fsetArr[0] = taosMemoryCalloc(1, sizeof(*fsetArr[0]));
if (fsetArr[0] == NULL) return TSDB_CODE_OUT_OF_MEMORY;
taosThreadRwlockRdlock(&fs->tsdb->rwLock);
TARRAY2_FOREACH(fs->fSetArr, fset) {
code = tsdbTFileSetInitRef(fs->tsdb, fset, &fset1);
if (code) break;
@ -975,7 +974,6 @@ int32_t tsdbFSCreateRefSnapshot(STFileSystem *fs, TFileSetArray **fsetArr) {
code = TARRAY2_APPEND(fsetArr[0], fset1);
if (code) break;
}
taosThreadRwlockUnlock(&fs->tsdb->rwLock);
if (code) {
TARRAY2_DESTROY(fsetArr[0], tsdbTFileSetClear);

5
source/dnode/vnode/src/tsdb/tsdbRead2.c
View File

@ -4935,11 +4935,12 @@ int32_t tsdbTakeReadSnap2(STsdbReader* pReader, _query_reseek_func_t reseek, STs
tsdbRefMemTable(pTsdb->imem, pSnap->pINode);
}
// fs
code = tsdbFSCreateRefSnapshot(pTsdb->pFS, &pSnap->pfSetArray);
// unlock
taosThreadRwlockUnlock(&pTsdb->rwLock);
// fs
code = tsdbFSCreateRefSnapshot(pTsdb->pFS, &pSnap->pfSetArray);
if (code == TSDB_CODE_SUCCESS) {
tsdbTrace("vgId:%d, take read snapshot", TD_VID(pTsdb->pVnode));
}

3
source/dnode/vnode/src/tsdb/tsdbSnapshot.c
View File

@ -424,7 +424,10 @@ int32_t tsdbSnapReaderOpen(STsdb* tsdb, int64_t sver, int64_t ever, int8_t type,
reader[0]->ever = ever;
reader[0]->type = type;
taosThreadRwlockRdlock(&tsdb->rwLock);
code = tsdbFSCreateRefSnapshot(tsdb->pFS, &reader[0]->fsetArr);
taosThreadRwlockUnlock(&tsdb->rwLock);
TSDB_CHECK_CODE(code, lino, _exit);
_exit: