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[TD-825]

This commit is contained in:
Shengliang Guan 2020-07-14 18:50:21 +08:00
parent 627cdc0749
commit 7ca488e3ac
1 changed files with 11 additions and 7 deletions
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18
src/util/src/tcache.c
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@ -294,7 +294,7 @@ void *taosCachePut(SCacheObj *pCacheObj, const void *key, size_t keyLen, const v
} }
} else { // old data exists, update the node } else { // old data exists, update the node
pNode = taosUpdateCacheImpl(pCacheObj, pOld, key, keyLen, pData, dataSize, duration * 1000L); pNode = taosUpdateCacheImpl(pCacheObj, pOld, key, keyLen, pData, dataSize, duration * 1000L);
uDebug("cache:%s, key:%p, %p exist in cache, updated", pCacheObj->name, key, pNode->data); uDebug("cache:%s, key:%p, %p exist in cache, updated old:%p", pCacheObj->name, key, pNode->data, pOld);
} }
__cache_unlock(pCacheObj); __cache_unlock(pCacheObj);
@ -307,26 +307,30 @@ void *taosCacheAcquireByKey(SCacheObj *pCacheObj, const void *key, size_t keyLen
return NULL; return NULL;
} }
void *pData = NULL;
__cache_rd_lock(pCacheObj); __cache_rd_lock(pCacheObj);
SCacheDataNode **ptNode = (SCacheDataNode **)taosHashGet(pCacheObj->pHashTable, key, keyLen); SCacheDataNode **ptNode = (SCacheDataNode **)taosHashGet(pCacheObj->pHashTable, key, keyLen);
int32_t ref = 0; int32_t ref = 0;
if (ptNode != NULL) { if (ptNode != NULL) {
ref = T_REF_INC(*ptNode); ref = T_REF_INC(*ptNode);
pData = (*ptNode)->data;
} }
__cache_unlock(pCacheObj); __cache_unlock(pCacheObj);
if (ptNode != NULL) { if (pData != NULL) {
atomic_add_fetch_32(&pCacheObj->statistics.hitCount, 1); atomic_add_fetch_32(&pCacheObj->statistics.hitCount, 1);
uDebug("cache:%s, key:%p, %p is retrieved from cache, refcnt:%d", pCacheObj->name, key, (*ptNode)->data, ref); uDebug("cache:%s, key:%p, %p is retrieved from cache, refcnt:%d", pCacheObj->name, key, pData, ref);
} else { } else {
atomic_add_fetch_32(&pCacheObj->statistics.missCount, 1); atomic_add_fetch_32(&pCacheObj->statistics.missCount, 1);
uDebug("cache:%s, key:%p, not in cache, retrieved failed", pCacheObj->name, key); uDebug("cache:%s, key:%p, not in cache, retrieved failed", pCacheObj->name, key);
} }
atomic_add_fetch_32(&pCacheObj->statistics.totalAccess, 1); atomic_add_fetch_32(&pCacheObj->statistics.totalAccess, 1);
return (ptNode != NULL) ? (*ptNode)->data : NULL; return pData;
} }
void* taosCacheUpdateExpireTimeByName(SCacheObj *pCacheObj, void *key, size_t keyLen, uint64_t expireTime) { void* taosCacheUpdateExpireTimeByName(SCacheObj *pCacheObj, void *key, size_t keyLen, uint64_t expireTime) {