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Merge pull request #18355 from taosdata/fix/wal_remove 

enh(wal): add debug log
This commit is contained in:
Shengliang Guan 2022-11-22 19:58:16 +08:00 committed by GitHub
parent a2138bfc62 1344671869
commit cda7781db0
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 5 deletions
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22
source/libs/wal/src/walWrite.c
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@ -324,24 +324,36 @@ int32_t walEndSnapshot(SWal *pWal) {
// find files safe to delete
SWalFileInfo *pInfo = taosArraySearch(pWal->fileInfoSet, &tmp, compareWalFileInfo, TD_LE);
if (pInfo) {
SWalFileInfo *pLastFileInfo = taosArrayGetLast(pWal->fileInfoSet);
wDebug("vgId:%d, wal search found file info: first:%" PRId64 " last:%" PRId64, pWal->cfg.vgId, pInfo->firstVer,
pInfo->lastVer);
if (ver >= pInfo->lastVer) {
//pInfo--;
pInfo++;
wDebug("vgId:%d, wal remove advance one file: first:%" PRId64 " last:%" PRId64, pWal->cfg.vgId, pInfo->firstVer,
pInfo->lastVer);
}
if (POINTER_DISTANCE(pInfo, pWal->fileInfoSet->pData) > 0) {
wDebug("vgId:%d, wal end remove for %" PRId64, pWal->cfg.vgId, pInfo->firstVer);
if (pInfo <= pLastFileInfo) {
wDebug("vgId:%d, wal end remove for first:%" PRId64 " last:%" PRId64, pWal->cfg.vgId, pInfo->firstVer,
pInfo->lastVer);
} else {
wDebug("vgId:%d, wal no remove", pWal->cfg.vgId);
}
// iterate files, until the searched result
for (SWalFileInfo *iter = pWal->fileInfoSet->pData; iter < pInfo; iter++) {
if ((pWal->cfg.retentionSize != -1 && newTotSize > pWal->cfg.retentionSize) ||
(pWal->cfg.retentionPeriod != -1 && iter->closeTs + pWal->cfg.retentionPeriod > ts)) {
wDebug("vgId:%d, wal check remove file %" PRId64 "(file size %" PRId64 " close ts %" PRId64
"), new tot size %" PRId64,
pWal->cfg.vgId, iter->firstVer, iter->fileSize, iter->closeTs, newTotSize);
if (((pWal->cfg.retentionSize == 0) || (pWal->cfg.retentionSize != -1 && newTotSize > pWal->cfg.retentionSize)) ||
((pWal->cfg.retentionPeriod == 0) ||
(pWal->cfg.retentionPeriod != -1 && iter->closeTs + pWal->cfg.retentionPeriod > ts))) {
// delete according to file size or close time
wDebug("vgId:%d, check pass", pWal->cfg.vgId);
deleteCnt++;
newTotSize -= iter->fileSize;
}
wDebug("vgId:%d, check not pass", pWal->cfg.vgId);
}
wDebug("vgId:%d, wal should delete %d files", pWal->cfg.vgId, deleteCnt);
int32_t actualDelete = 0;
char fnameStr[WAL_FILE_LEN];
// remove file