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Lazyfree: cond vars to enabled/disable it based on DEL context.

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This commit is contained in:
antirez
2015-10-02 15:27:57 +02:00
parent 5359696796
commit 252cfa0a39
4 changed files with 51 additions and 35 deletions
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28
src/server.h
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@ -136,6 +136,10 @@ typedef long long mstime_t; /* millisecond time type. */
#define CONFIG_BINDADDR_MAX 16
#define CONFIG_MIN_RESERVED_FDS 32
#define CONFIG_DEFAULT_LATENCY_MONITOR_THRESHOLD 0
#define CONFIG_DEFAULT_SLAVE_LAZY_FLUSH 0
#define CONFIG_DEFAULT_LAZYFREE_LAZY_EVICTION 0
#define CONFIG_DEFAULT_LAZYFREE_LAZY_EXPIRE 0
#define CONFIG_DEFAULT_LAZYFREE_LAZY_SERVER_DEL 0
#define ACTIVE_EXPIRE_CYCLE_LOOKUPS_PER_LOOP 20 /* Loopkups per loop. */
#define ACTIVE_EXPIRE_CYCLE_FAST_DURATION 1000 /* Microseconds */
@ -611,8 +615,8 @@ struct sharedObjectsStruct {
*outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *bgsaveerr,
*masterdownerr, *roslaveerr, *execaborterr, *noautherr, *noreplicaserr,
*busykeyerr, *oomerr, *plus, *messagebulk, *pmessagebulk, *subscribebulk,
*unsubscribebulk, *psubscribebulk, *punsubscribebulk, *del, *rpop, *lpop,
*lpush, *emptyscan,
*unsubscribebulk, *psubscribebulk, *punsubscribebulk, *del, *unlink,
*rpop, *lpop, *lpush, *emptyscan,
*select[PROTO_SHARED_SELECT_CMDS],
*integers[OBJ_SHARED_INTEGERS],
*mbulkhdr[OBJ_SHARED_BULKHDR_LEN], /* "*<value>\r\n" */
@ -878,6 +882,7 @@ struct redisServer {
int slave_priority; /* Reported in INFO and used by Sentinel. */
char repl_master_runid[CONFIG_RUN_ID_SIZE+1]; /* Master run id for PSYNC. */
long long repl_master_initial_offset; /* Master PSYNC offset. */
int repl_slave_lazy_flush; /* Lazy FLUSHALL before loading DB? */
/* Replication script cache. */
dict *repl_scriptcache_dict; /* SHA1 all slaves are aware of. */
list *repl_scriptcache_fifo; /* First in, first out LRU eviction. */
@ -911,8 +916,8 @@ struct redisServer {
int list_max_ziplist_size;
int list_compress_depth;
/* time cache */
time_t unixtime; /* Unix time sampled every cron cycle. */
long long mstime; /* Like 'unixtime' but with milliseconds resolution. */
time_t unixtime; /* Unix time sampled every cron cycle. */
long long mstime; /* Like 'unixtime' but with milliseconds resolution. */
/* Pubsub */
dict *pubsub_channels; /* Map channels to list of subscribed clients */
list *pubsub_patterns; /* A list of pubsub_patterns */
@ -941,6 +946,10 @@ struct redisServer {
int lua_timedout; /* True if we reached the time limit for script
execution. */
int lua_kill; /* Kill the script if true. */
/* Lazy free */
int lazyfree_lazy_eviction;
int lazyfree_lazy_expire;
int lazyfree_lazy_server_del;
/* Latency monitor */
long long latency_monitor_threshold;
dict *latency_events;
@ -1368,7 +1377,7 @@ int rewriteConfig(char *path);
/* db.c -- Keyspace access API */
int removeExpire(redisDb *db, robj *key);
void propagateExpire(redisDb *db, robj *key);
void propagateExpire(redisDb *db, robj *key, int lazy);
int expireIfNeeded(redisDb *db, robj *key);
long long getExpire(redisDb *db, robj *key);
void setExpire(redisDb *db, robj *key, long long when);
@ -1402,15 +1411,6 @@ int parseScanCursorOrReply(client *c, robj *o, unsigned long *cursor);
void slotToKeyAdd(robj *key);
void slotToKeyDel(robj *key);
void slotToKeyFlush(void);
/* Lazy free. Note that SLOW and FAST are only useful when incremental
* lazy free is active. For threaded lazy free the actual freeing of objects
* happens in the background. Only STEP_OOM is used since it blocks waiting
* for the freeing thread to do some work before returning. */
#define LAZYFREE_STEP_SLOW 0 /* Take 1-2 milliseconds to reclaim memory. */
#define LAZYFREE_STEP_FAST 1 /* Free a few elements ASAP and return. */
#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);