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Merge pull request #16389 from taosdata/fix/TD-18578 

fix: tdb page cache hash page removing fix
This commit is contained in:
Shengliang Guan 2022-08-25 09:06:57 +08:00 committed by GitHub
parent abfa964f15 437d4947f6
commit ff61b3f753
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 23 additions and 17 deletions
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2
source/libs/tdb/src/db/tdbBtree.c
View File

@ -1401,7 +1401,7 @@ static int tdbBtreeDecodeCell(SPage *pPage, const SCell *pCell, SCellDecoder *pD
pDecoder->pgno = 0;
TDB_CELLDECODER_SET_FREE_NIL(pDecoder);
tdbDebug("tdb btc decoder set nil: %p/0x%x ", pDecoder, pDecoder->freeKV);
// tdbTrace("tdb btc decoder set nil: %p/0x%x ", pDecoder, pDecoder->freeKV);
// 1. Decode header part
if (!leaf) {

35
source/libs/tdb/src/db/tdbPCache.c
View File

@ -145,7 +145,7 @@ static SPage *tdbPCacheFetchImpl(SPCache *pCache, const SPgid *pPgid, TXN *pTxn)
// 1. Search the hash table
pPage = pCache->pgHash[tdbPCachePageHash(pPgid) % pCache->nHash];
while (pPage) {
if (memcmp(pPage->pgid.fileid, pPgid->fileid, TDB_FILE_ID_LEN) == 0 && pPage->pgid.pgno == pPgid->pgno) break;
if (pPage->pgid.pgno == pPgid->pgno && memcmp(pPage->pgid.fileid, pPgid->fileid, TDB_FILE_ID_LEN) == 0) break;
pPage = pPage->pHashNext;
}
@ -243,7 +243,7 @@ static void tdbPCachePinPage(SPCache *pCache, SPage *pPage) {
pCache->nRecyclable--;
// printf("pin page %d pgno %d pPage %p\n", pPage->id, TDB_PAGE_PGNO(pPage), pPage);
tdbTrace("pin page %d", pPage->id);
tdbDebug("pin page %d", pPage->id);
}
}
@ -264,30 +264,33 @@ static void tdbPCacheUnpinPage(SPCache *pCache, SPage *pPage) {
pCache->nRecyclable++;
// printf("unpin page %d pgno %d pPage %p\n", pPage->id, TDB_PAGE_PGNO(pPage), pPage);
tdbTrace("unpin page %d", pPage->id);
tdbDebug("unpin page %d", pPage->id);
}
static void tdbPCacheRemovePageFromHash(SPCache *pCache, SPage *pPage) {
SPage **ppPage;
uint32_t h;
h = tdbPCachePageHash(&(pPage->pgid));
for (ppPage = &(pCache->pgHash[h % pCache->nHash]); (*ppPage) && *ppPage != pPage; ppPage = &((*ppPage)->pHashNext))
;
uint32_t h = tdbPCachePageHash(&(pPage->pgid)) % pCache->nHash;
SPage **ppPage = &(pCache->pgHash[h]);
if (*ppPage == pPage) {
pCache->pgHash[h] = pPage->pHashNext;
} else {
for (; (*ppPage) && (*ppPage)->pHashNext != pPage; ppPage = &((*ppPage)->pHashNext))
;
if (*ppPage) {
(*ppPage)->pHashNext = pPage->pHashNext;
}
}
if (*ppPage) {
*ppPage = pPage->pHashNext;
pCache->nPage--;
pPage->pHashNext = NULL;
--pCache->nPage;
// printf("rmv page %d to hash, pgno %d, pPage %p\n", pPage->id, TDB_PAGE_PGNO(pPage), pPage);
}
tdbTrace("remove page %d to hash", pPage->id);
tdbDebug("remove page %p/%d from hash", pPage, pPage->id);
}
static void tdbPCacheAddPageToHash(SPCache *pCache, SPage *pPage) {
int h;
h = tdbPCachePageHash(&(pPage->pgid)) % pCache->nHash;
uint32_t h = tdbPCachePageHash(&(pPage->pgid)) % pCache->nHash;
pPage->pHashNext = pCache->pgHash[h];
pCache->pgHash[h] = pPage;
@ -295,7 +298,7 @@ static void tdbPCacheAddPageToHash(SPCache *pCache, SPage *pPage) {
pCache->nPage++;
// printf("add page %d to hash, pgno %d, pPage %p\n", pPage->id, TDB_PAGE_PGNO(pPage), pPage);
tdbTrace("add page %d to hash", pPage->id);
tdbDebug("add page %p/%d to hash", pPage, pPage->id);
}
static int tdbPCacheOpenImpl(SPCache *pCache) {

3
source/libs/tdb/src/db/tdbPage.c
View File

@ -74,6 +74,7 @@ int tdbPageCreate(int pageSize, SPage **ppPage, void *(*xMalloc)(void *, size_t)
int tdbPageDestroy(SPage *pPage, void (*xFree)(void *arg, void *ptr), void *arg) {
u8 *ptr;
tdbDebug("page/destroy: %p %p", pPage, xFree);
ASSERT(xFree);
for (int iOvfl = 0; iOvfl < pPage->nOverflow; iOvfl++) {
@ -87,6 +88,7 @@ int tdbPageDestroy(SPage *pPage, void (*xFree)(void *arg, void *ptr), void *arg)
}
void tdbPageZero(SPage *pPage, u8 szAmHdr, int (*xCellSize)(const SPage *, SCell *, int, TXN *, SBTree *pBt)) {
tdbDebug("page/zero: %p %" PRIu8 " %p", pPage, szAmHdr, xCellSize);
pPage->pPageHdr = pPage->pData + szAmHdr;
TDB_PAGE_NCELLS_SET(pPage, 0);
TDB_PAGE_CCELLS_SET(pPage, pPage->pageSize - sizeof(SPageFtr));
@ -103,6 +105,7 @@ void tdbPageZero(SPage *pPage, u8 szAmHdr, int (*xCellSize)(const SPage *, SCell
}
void tdbPageInit(SPage *pPage, u8 szAmHdr, int (*xCellSize)(const SPage *, SCell *, int, TXN *, SBTree *pBt)) {
tdbDebug("page/init: %p %" PRIu8 " %p", pPage, szAmHdr, xCellSize);
pPage->pPageHdr = pPage->pData + szAmHdr;
pPage->pCellIdx = pPage->pPageHdr + TDB_PAGE_HDR_SIZE(pPage);
pPage->pFreeStart = pPage->pCellIdx + TDB_PAGE_OFFSET_SIZE(pPage) * TDB_PAGE_NCELLS(pPage);