xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

fix(query): fix memory leak.

This commit is contained in:
Haojun Liao 2022-11-26 11:46:36 +08:00
parent 0015e65f5b
commit 861b9b8264
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
source/dnode/vnode/src/meta/metaCache.c
View File

@ -443,6 +443,7 @@ int32_t metaGetCachedTableUidList(SMeta* pMeta, tb_uid_t suid, const uint8_t* pK
taosArrayAddBatch(pList1, p + sizeof(int32_t), size);
(*pEntry)->qTimes += 1;
taosLRUCacheRelease(pCache, pHandle, false);
// check if scanning all items are necessary or not
if ((*pEntry)->qTimes >= 5000 && TD_DLIST_NELES(&(*pEntry)->list) > 10) {
@ -478,12 +479,20 @@ int32_t metaGetCachedTableUidList(SMeta* pMeta, tb_uid_t suid, const uint8_t* pK
return TSDB_CODE_SUCCESS;
}
static void freePayload(const void* key, size_t keyLen, void* value) {
if (value == NULL) {
return;
}
taosMemoryFree(value);
}
// check both the payload size and selectivity ratio
int32_t metaUidFilterCachePut(SMeta* pMeta, uint64_t suid, const void* pKey, int32_t keyLen, void* pPayload, int32_t payloadLen, double selectivityRatio) {
if (selectivityRatio > tsSelectivityRatio) {
metaDebug("vgId:%d, suid:%" PRIu64
" failed to add to uid list cache, due to selectivity ratio %.2f less than threshold %.2f",
TD_VID(pMeta->pVnode), suid, selectivityRatio, tsSelectivityRatio);
taosMemoryFree(pPayload);
return TSDB_CODE_SUCCESS;
}
@ -491,13 +500,14 @@ int32_t metaUidFilterCachePut(SMeta* pMeta, uint64_t suid, const void* pKey, int
metaDebug("vgId:%d, suid:%" PRIu64
" failed to add to uid list cache, due to payload length %d greater than threshold %d",
TD_VID(pMeta->pVnode), suid, payloadLen, tsTagFilterResCacheSize);
taosMemoryFree(pPayload);
return TSDB_CODE_SUCCESS;
}
SLRUCache* pCache = pMeta->pCache->sTagFilterResCache.pUidResCache;
SHashObj* pTableEntry = pMeta->pCache->sTagFilterResCache.pTableEntry;
SHashObj* pTableEntry = pMeta->pCache->sTagFilterResCache.pTableEntry;
STagFilterResEntry** pEntry = taosHashGet(pMeta->pCache->sTagFilterResCache.pTableEntry, &suid, sizeof(uint64_t));
STagFilterResEntry** pEntry = taosHashGet(pTableEntry, &suid, sizeof(uint64_t));
if (pEntry == NULL) {
STagFilterResEntry* p = taosMemoryMalloc(sizeof(STagFilterResEntry));
p->qTimes = 0;
@ -515,7 +525,7 @@ int32_t metaUidFilterCachePut(SMeta* pMeta, uint64_t suid, const void* pKey, int
ASSERT(sizeof(uint64_t) + keyLen == 24);
// add to cache.
taosLRUCacheInsert(pCache, pBuf, sizeof(uint64_t) + keyLen, pPayload, payloadLen, NULL, NULL, TAOS_LRU_PRIORITY_LOW);
taosLRUCacheInsert(pCache, pBuf, sizeof(uint64_t) + keyLen, pPayload, payloadLen, freePayload, NULL, TAOS_LRU_PRIORITY_LOW);
metaDebug("vgId:%d, suid:%"PRIu64" list cache added into cache, total:%d, tables:%d", TD_VID(pMeta->pVnode),
suid, (int32_t) taosLRUCacheGetUsage(pCache), taosHashGetSize(pTableEntry));