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fix(tdb/recycling): delay freedb's own page recycling until balance done

This commit is contained in:
Minglei Jin 2023-07-07 08:19:50 +08:00
parent 4fa61b9eae
commit 4cc3a55426
2 changed files with 30 additions and 1 deletions
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30
source/libs/tdb/src/db/tdbPager.c
View File

@ -720,15 +720,39 @@ int tdbPagerInsertFreePage(SPager *pPager, SPage *pPage, TXN *pTxn) {
int code = 0;
SPgno pgno = TDB_PAGE_PGNO(pPage);
if (pPager->frps) {
taosArrayPush(pPager->frps, &pgno);
pPage->pPager = NULL;
return code;
}
pPager->frps = taosArrayInit(8, sizeof(SPgno));
// memset(pPage->pData, 0, pPage->pageSize);
tdbTrace("tdb/insert-free-page: tbc recycle page: %d.", pgno);
// printf("tdb/insert-free-page: tbc recycle page: %d.\n", pgno);
code = tdbTbInsert(pPager->pEnv->pFreeDb, &pgno, sizeof(pgno), NULL, 0, pTxn);
if (code < 0) {
tdbError("tdb/insert-free-page: tb insert failed with ret: %d.", code);
taosArrayDestroy(pPager->frps);
pPager->frps = NULL;
return -1;
}
while (TARRAY_SIZE(pPager->frps) > 0) {
pgno = *(SPgno *)taosArrayPop(pPager->frps);
code = tdbTbInsert(pPager->pEnv->pFreeDb, &pgno, sizeof(pgno), NULL, 0, pTxn);
if (code < 0) {
tdbError("tdb/insert-free-page: tb insert failed with ret: %d.", code);
taosArrayDestroy(pPager->frps);
pPager->frps = NULL;
return -1;
}
}
taosArrayDestroy(pPager->frps);
pPager->frps = NULL;
pPage->pPager = NULL;
return code;
@ -739,7 +763,11 @@ static int tdbPagerRemoveFreePage(SPager *pPager, SPgno *pPgno, TXN *pTxn) {
TBC *pCur;
if (!pPager->pEnv->pFreeDb) {
return 0;
return code;
}
if (pPager->frps) {
return code;
}
code = tdbTbcOpen(pPager->pEnv->pFreeDb, &pCur, pTxn);

1
source/libs/tdb/src/inc/tdbInt.h
View File

@ -408,6 +408,7 @@ struct SPager {
// u8 inTran;
TXN *pActiveTxn;
SArray *ofps;
SArray *frps;
SPager *pNext; // used by TDB
SPager *pHashNext; // used by TDB
#ifdef USE_MAINDB