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chore: fs merge optimization for data migrate

This commit is contained in:
Cary Xu 2022-09-28 12:56:17 +08:00
parent b78a39ced1
commit d3c335a06e
1 changed files with 19 additions and 10 deletions
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29
source/dnode/vnode/src/tsdb/tsdbRetention.c
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@ -221,22 +221,31 @@ _commit_conflict_check:
_merge_fs: _merge_fs:
taosThreadRwlockWrlock(&pTsdb->rwLock); taosThreadRwlockWrlock(&pTsdb->rwLock);
if ((code = tsdbFSCopy(pTsdb, &fsLatest))) { // 1) prepare fs, merge tsdbFSNew and pTsdb->fs if needed
taosThreadRwlockUnlock(&pTsdb->rwLock); STsdbFS *pTsdbFS = &fs;
goto _exit; ASSERT(fs.version <= pTsdb->fs.version);
}
// 1) merge tsdbFSNew and pTsdb->fs if (fs.version < pTsdb->fs.version) {
if ((code = tsdbFSUpdDel(pTsdb, &fsLatest, &fs, maxFid))) { if ((code = tsdbFSCopy(pTsdb, &fsLatest))) {
taosThreadRwlockUnlock(&pTsdb->rwLock); taosThreadRwlockUnlock(&pTsdb->rwLock);
goto _exit; goto _exit;
}
if ((code = tsdbFSUpdDel(pTsdb, &fsLatest, &fs, maxFid))) {
taosThreadRwlockUnlock(&pTsdb->rwLock);
goto _exit;
}
pTsdbFS = &fsLatest;
} }
// 2) save CURRENT // 2) save CURRENT
if ((code = tsdbFSCommit1(pTsdb, &fsLatest))) { if ((code = tsdbFSCommit1(pTsdb, pTsdbFS))) {
taosThreadRwlockUnlock(&pTsdb->rwLock); taosThreadRwlockUnlock(&pTsdb->rwLock);
goto _exit; goto _exit;
} }
// 3) apply the tsdbFS to pTsdb->fs // 3) apply the tsdbFS to pTsdb->fs
if ((code = tsdbFSCommit2(pTsdb, &fsLatest))) { if ((code = tsdbFSCommit2(pTsdb, pTsdbFS))) {
taosThreadRwlockUnlock(&pTsdb->rwLock); taosThreadRwlockUnlock(&pTsdb->rwLock);
goto _exit; goto _exit;
} }