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negative caching implemented

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antirez
2010-12-31 17:32:59 +01:00
parent c4b64a1395
commit d934e1e85b
4 changed files with 102 additions and 28 deletions
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4
src/redis.h
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@ -269,6 +269,7 @@ typedef struct redisDb {
dict *expires; /* Timeout of keys with a timeout set */
dict *blocking_keys; /* Keys with clients waiting for data (BLPOP) */
dict *io_keys; /* Keys with clients waiting for VM I/O */
dict *io_negcache; /* Negative caching for disk store */
dict *watched_keys; /* WATCHED keys for MULTI/EXEC CAS */
int id;
} redisDb;
@ -809,6 +810,9 @@ int cacheFreeOneEntry(void);
void cacheScheduleForFlush(redisDb *db, robj *key);
void cacheCron(void);
int cacheKeyMayExist(redisDb *db, robj *key);
void cacheSetKeyExists(redisDb *db, robj *key);
void cacheSetKeyDoesNotExist(redisDb *db, robj *key);
void cacheSetKeyDoesNotExistRemember(redisDb *db, robj *key);
/* Set data type */
robj *setTypeCreate(robj *value);