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Lazyfree: ability to free whole DBs in background.

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antirez
2015-09-28 10:47:45 +02:00
parent b08c36c5f2
commit c69c6c80fb
7 changed files with 108 additions and 16 deletions
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9
src/server.h
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@ -1050,6 +1050,7 @@ extern dictType shaScriptObjectDictType;
extern double R_Zero, R_PosInf, R_NegInf, R_Nan;
extern dictType hashDictType;
extern dictType replScriptCacheDictType;
extern dictType keyptrDictType;
/*-----------------------------------------------------------------------------
* Functions prototypes
@ -1384,7 +1385,11 @@ robj *dbRandomKey(redisDb *db);
int dbSyncDelete(redisDb *db, robj *key);
int dbDelete(redisDb *db, robj *key);
robj *dbUnshareStringValue(redisDb *db, robj *key, robj *o);
long long emptyDb(void(callback)(void*));
#define EMPTYDB_NO_FLAGS 0 /* No flags. */
#define EMPTYDB_ASYNC (1<<0) /* Reclaim memory in another thread. */
long long emptyDb(int dbnum, int flags, void(callback)(void*));
int selectDb(client *c, int id);
void signalModifiedKey(redisDb *db, robj *key);
void signalFlushedDb(int dbid);
@ -1407,6 +1412,8 @@ void slotToKeyFlush(void);
#define LAZYFREE_STEP_OOM 2 /* Free a few elements at any cost if there
is something to free: we are out of memory */
int dbAsyncDelete(redisDb *db, robj *key);
void emptyDbAsync(redisDb *db);
void slotToKeyFlushAsync(void);
/* API to get key arguments from commands */
int *getKeysFromCommand(struct redisCommand *cmd, robj **argv, int argc, int *numkeys);