struct redisCommand *commandTable;
struct redisCommand redisCommandTable[] = {
{"get",getCommand,2,0,NULL,1,1,1,0,0},
- {"set",setCommand,3,REDIS_CMD_DENYOOM,NULL,0,0,0,0,0},
- {"setnx",setnxCommand,3,REDIS_CMD_DENYOOM,NULL,0,0,0,0,0},
- {"setex",setexCommand,4,REDIS_CMD_DENYOOM,NULL,0,0,0,0,0},
+ {"set",setCommand,3,REDIS_CMD_DENYOOM,noPreloadGetKeys,1,1,1,0,0},
+ {"setnx",setnxCommand,3,REDIS_CMD_DENYOOM,noPreloadGetKeys,1,1,1,0,0},
+ {"setex",setexCommand,4,REDIS_CMD_DENYOOM,noPreloadGetKeys,2,2,1,0,0},
{"append",appendCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"strlen",strlenCommand,2,0,NULL,1,1,1,0,0},
- {"del",delCommand,-2,0,NULL,0,0,0,0,0},
+ {"del",delCommand,-2,0,noPreloadGetKeys,1,-1,1,0,0},
{"exists",existsCommand,2,0,NULL,1,1,1,0,0},
{"setbit",setbitCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"getbit",getbitCommand,3,0,NULL,1,1,1,0,0},
{"incr",incrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"decr",decrCommand,2,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"mget",mgetCommand,-2,0,NULL,1,-1,1,0,0},
- {"rpush",rpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
- {"lpush",lpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
+ {"rpush",rpushCommand,-3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
+ {"lpush",lpushCommand,-3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"rpushx",rpushxCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"lpushx",lpushxCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"linsert",linsertCommand,5,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"lpop",lpopCommand,2,0,NULL,1,1,1,0,0},
{"brpop",brpopCommand,-3,0,NULL,1,1,1,0,0},
{"brpoplpush",brpoplpushCommand,4,REDIS_CMD_DENYOOM,NULL,1,2,1,0,0},
- {"blpop",blpopCommand,-3,0,NULL,1,1,1,0,0},
+ {"blpop",blpopCommand,-3,0,NULL,1,-2,1,0,0},
{"llen",llenCommand,2,0,NULL,1,1,1,0,0},
{"lindex",lindexCommand,3,0,NULL,1,1,1,0,0},
{"lset",lsetCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"ltrim",ltrimCommand,4,0,NULL,1,1,1,0,0},
{"lrem",lremCommand,4,0,NULL,1,1,1,0,0},
{"rpoplpush",rpoplpushCommand,3,REDIS_CMD_DENYOOM,NULL,1,2,1,0,0},
- {"sadd",saddCommand,3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
- {"srem",sremCommand,3,0,NULL,1,1,1,0,0},
+ {"sadd",saddCommand,-3,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
+ {"srem",sremCommand,-3,0,NULL,1,1,1,0,0},
{"smove",smoveCommand,4,0,NULL,1,2,1,0,0},
{"sismember",sismemberCommand,3,0,NULL,1,1,1,0,0},
{"scard",scardCommand,2,0,NULL,1,1,1,0,0},
{"sdiff",sdiffCommand,-2,REDIS_CMD_DENYOOM,NULL,1,-1,1,0,0},
{"sdiffstore",sdiffstoreCommand,-3,REDIS_CMD_DENYOOM,NULL,2,-1,1,0,0},
{"smembers",sinterCommand,2,0,NULL,1,1,1,0,0},
- {"zadd",zaddCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
+ {"zadd",zaddCommand,-4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"zincrby",zincrbyCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
- {"zrem",zremCommand,3,0,NULL,1,1,1,0,0},
+ {"zrem",zremCommand,-3,0,NULL,1,1,1,0,0},
{"zremrangebyscore",zremrangebyscoreCommand,4,0,NULL,1,1,1,0,0},
{"zremrangebyrank",zremrangebyrankCommand,4,0,NULL,1,1,1,0,0},
- {"zunionstore",zunionstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterBlockClientOnSwappedKeys,0,0,0,0,0},
- {"zinterstore",zinterstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterBlockClientOnSwappedKeys,0,0,0,0,0},
+ {"zunionstore",zunionstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterGetKeys,0,0,0,0,0},
+ {"zinterstore",zinterstoreCommand,-4,REDIS_CMD_DENYOOM,zunionInterGetKeys,0,0,0,0,0},
{"zrange",zrangeCommand,-4,0,NULL,1,1,1,0,0},
{"zrangebyscore",zrangebyscoreCommand,-4,0,NULL,1,1,1,0,0},
{"zrevrangebyscore",zrevrangebyscoreCommand,-4,0,NULL,1,1,1,0,0},
{"hmset",hmsetCommand,-4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
{"hmget",hmgetCommand,-3,0,NULL,1,1,1,0,0},
{"hincrby",hincrbyCommand,4,REDIS_CMD_DENYOOM,NULL,1,1,1,0,0},
- {"hdel",hdelCommand,3,0,NULL,1,1,1,0,0},
+ {"hdel",hdelCommand,-3,0,NULL,1,1,1,0,0},
{"hlen",hlenCommand,2,0,NULL,1,1,1,0,0},
{"hkeys",hkeysCommand,2,0,NULL,1,1,1,0,0},
{"hvals",hvalsCommand,2,0,NULL,1,1,1,0,0},
{"randomkey",randomkeyCommand,1,0,NULL,0,0,0,0,0},
{"select",selectCommand,2,0,NULL,0,0,0,0,0},
{"move",moveCommand,3,0,NULL,1,1,1,0,0},
- {"rename",renameCommand,3,0,NULL,1,1,1,0,0},
- {"renamenx",renamenxCommand,3,0,NULL,1,1,1,0,0},
- {"expire",expireCommand,3,0,NULL,0,0,0,0,0},
- {"expireat",expireatCommand,3,0,NULL,0,0,0,0,0},
+ {"rename",renameCommand,3,0,renameGetKeys,1,2,1,0,0},
+ {"renamenx",renamenxCommand,3,0,renameGetKeys,1,2,1,0,0},
+ {"expire",expireCommand,3,0,NULL,1,1,1,0,0},
+ {"expireat",expireatCommand,3,0,NULL,1,1,1,0,0},
{"keys",keysCommand,2,0,NULL,0,0,0,0,0},
{"dbsize",dbsizeCommand,1,0,NULL,0,0,0,0,0},
{"auth",authCommand,2,0,NULL,0,0,0,0,0},
{"lastsave",lastsaveCommand,1,0,NULL,0,0,0,0,0},
{"type",typeCommand,2,0,NULL,1,1,1,0,0},
{"multi",multiCommand,1,0,NULL,0,0,0,0,0},
- {"exec",execCommand,1,REDIS_CMD_DENYOOM,execBlockClientOnSwappedKeys,0,0,0,0,0},
+ {"exec",execCommand,1,REDIS_CMD_DENYOOM,NULL,0,0,0,0,0},
{"discard",discardCommand,1,0,NULL,0,0,0,0,0},
{"sync",syncCommand,1,0,NULL,0,0,0,0,0},
{"flushdb",flushdbCommand,1,0,NULL,0,0,0,0,0},
{"psubscribe",psubscribeCommand,-2,0,NULL,0,0,0,0,0},
{"punsubscribe",punsubscribeCommand,-1,0,NULL,0,0,0,0,0},
{"publish",publishCommand,3,REDIS_CMD_FORCE_REPLICATION,NULL,0,0,0,0,0},
- {"watch",watchCommand,-2,0,NULL,0,0,0,0,0},
- {"unwatch",unwatchCommand,1,0,NULL,0,0,0,0,0}
+ {"watch",watchCommand,-2,0,noPreloadGetKeys,1,-1,1,0,0},
+ {"unwatch",unwatchCommand,1,0,NULL,0,0,0,0,0},
+ {"cluster",clusterCommand,-2,0,NULL,0,0,0,0,0},
+ {"restore",restoreCommand,4,0,NULL,0,0,0,0,0},
+ {"migrate",migrateCommand,6,0,NULL,0,0,0,0,0},
+ {"dump",dumpCommand,2,0,NULL,0,0,0,0,0},
+ {"object",objectCommand,-2,0,NULL,0,0,0,0,0},
+ {"client",clientCommand,-2,0,NULL,0,0,0,0,0}
};
/*============================ Utility functions ============================ */
time_t now = time(NULL);
FILE *fp;
char buf[64];
+ int rawmode = (level & REDIS_LOG_RAW);
+ level &= 0xff; /* clear flags */
if (level < server.verbosity) return;
fp = (server.logfile == NULL) ? stdout : fopen(server.logfile,"a");
if (!fp) return;
- strftime(buf,sizeof(buf),"%d %b %H:%M:%S",localtime(&now));
- fprintf(fp,"[%d] %s %c %s\n",(int)getpid(),buf,c[level],msg);
+ if (rawmode) {
+ fprintf(fp,"%s",msg);
+ } else {
+ strftime(buf,sizeof(buf),"%d %b %H:%M:%S",localtime(&now));
+ fprintf(fp,"[%d] %s %c %s\n",(int)getpid(),buf,c[level],msg);
+ }
fflush(fp);
if (server.logfile) fclose(fp);
va_list ap;
char msg[REDIS_MAX_LOGMSG_LEN];
- if (level < server.verbosity) return;
+ if ((level&0xff) < server.verbosity) return;
va_start(ap, fmt);
vsnprintf(msg, sizeof(msg), fmt, ap);
dictListDestructor /* val destructor */
};
+/* Cluster nodes hash table, mapping nodes addresses 1.2.3.4:6379 to
+ * clusterNode structures. */
+dictType clusterNodesDictType = {
+ dictSdsHash, /* hash function */
+ NULL, /* key dup */
+ NULL, /* val dup */
+ dictSdsKeyCompare, /* key compare */
+ dictSdsDestructor, /* key destructor */
+ NULL /* val destructor */
+};
+
int htNeedsResize(dict *dict) {
long long size, used;
*/
updateLRUClock();
+ /* Record the max memory used since the server was started. */
+ if (zmalloc_used_memory() > server.stat_peak_memory)
+ server.stat_peak_memory = zmalloc_used_memory();
+
/* We received a SIGTERM, shutting down here in a safe way, as it is
* not ok doing so inside the signal handler. */
if (server.shutdown_asap) {
if ((server.maxidletime && !(loops % 100)) || server.bpop_blocked_clients)
closeTimedoutClients();
+ /* Start a scheduled AOF rewrite if this was requested by the user while
+ * a BGSAVE was in progress. */
+ if (server.bgsavechildpid == -1 && server.bgrewritechildpid == -1 &&
+ server.aofrewrite_scheduled)
+ {
+ rewriteAppendOnlyFileBackground();
+ }
+
/* Check if a background saving or AOF rewrite in progress terminated. */
if (server.bgsavechildpid != -1 || server.bgrewritechildpid != -1) {
int statloc;
}
}
} else if (!server.ds_enabled) {
- /* If there is not a background saving in progress check if
- * we have to save now */
time_t now = time(NULL);
+
+ /* If there is not a background saving/rewrite in progress check if
+ * we have to save/rewrite now */
for (j = 0; j < server.saveparamslen; j++) {
struct saveparam *sp = server.saveparams+j;
break;
}
}
+
+ /* Trigger an AOF rewrite if needed */
+ if (server.bgsavechildpid == -1 &&
+ server.bgrewritechildpid == -1 &&
+ server.auto_aofrewrite_perc &&
+ server.appendonly_current_size > server.auto_aofrewrite_min_size)
+ {
+ int base = server.auto_aofrewrite_base_size ?
+ server.auto_aofrewrite_base_size : 1;
+ long long growth = (server.appendonly_current_size*100/base) - 100;
+ if (growth >= server.auto_aofrewrite_perc) {
+ redisLog(REDIS_NOTICE,"Starting automatic rewriting of AOF on %lld%% growth",growth);
+ rewriteAppendOnlyFileBackground();
+ }
+ }
}
/* Expire a few keys per cycle, only if this is a master.
* to detect transfer failures. */
if (!(loops % 10)) replicationCron();
+ /* Run other sub-systems specific cron jobs */
+ if (server.cluster_enabled && !(loops % 10)) clusterCron();
+
server.cronloops++;
return 100;
}
server.appendonly = 0;
server.appendfsync = APPENDFSYNC_EVERYSEC;
server.no_appendfsync_on_rewrite = 0;
+ server.auto_aofrewrite_perc = REDIS_AUTO_AOFREWRITE_PERC;
+ server.auto_aofrewrite_min_size = REDIS_AUTO_AOFREWRITE_MIN_SIZE;
+ server.auto_aofrewrite_base_size = 0;
+ server.aofrewrite_scheduled = 0;
server.lastfsync = time(NULL);
server.appendfd = -1;
server.appendseldb = -1; /* Make sure the first time will not match */
server.list_max_ziplist_entries = REDIS_LIST_MAX_ZIPLIST_ENTRIES;
server.list_max_ziplist_value = REDIS_LIST_MAX_ZIPLIST_VALUE;
server.set_max_intset_entries = REDIS_SET_MAX_INTSET_ENTRIES;
+ server.zset_max_ziplist_entries = REDIS_ZSET_MAX_ZIPLIST_ENTRIES;
+ server.zset_max_ziplist_value = REDIS_ZSET_MAX_ZIPLIST_VALUE;
server.shutdown_asap = 0;
server.cache_flush_delay = 0;
+ server.cluster_enabled = 0;
+ server.cluster.configfile = zstrdup("nodes.conf");
updateLRUClock();
resetServerSaveParams();
server.masterport = 6379;
server.master = NULL;
server.replstate = REDIS_REPL_NONE;
+ server.repl_syncio_timeout = REDIS_REPL_SYNCIO_TIMEOUT;
server.repl_serve_stale_data = 1;
+ server.repl_down_since = -1;
/* Double constants initialization */
R_Zero = 0.0;
server.stat_starttime = time(NULL);
server.stat_keyspace_misses = 0;
server.stat_keyspace_hits = 0;
+ server.stat_peak_memory = 0;
+ server.stat_fork_time = 0;
server.unixtime = time(NULL);
aeCreateTimeEvent(server.el, 1, serverCron, NULL, NULL);
if (server.ipfd > 0 && aeCreateFileEvent(server.el,server.ipfd,AE_READABLE,
}
if (server.ds_enabled) dsInit();
+ if (server.cluster_enabled) clusterInit();
srand(time(NULL)^getpid());
}
return REDIS_OK;
}
+ /* If cluster is enabled, redirect here */
+ if (server.cluster_enabled &&
+ !(cmd->getkeys_proc == NULL && cmd->firstkey == 0)) {
+ int hashslot;
+
+ if (server.cluster.state != REDIS_CLUSTER_OK) {
+ addReplyError(c,"The cluster is down. Check with CLUSTER INFO for more information");
+ return REDIS_OK;
+ } else {
+ int ask;
+ clusterNode *n = getNodeByQuery(c,cmd,c->argv,c->argc,&hashslot,&ask);
+ if (n == NULL) {
+ addReplyError(c,"Multi keys request invalid in cluster");
+ return REDIS_OK;
+ } else if (n != server.cluster.myself) {
+ addReplySds(c,sdscatprintf(sdsempty(),
+ "-%s %d %s:%d\r\n", ask ? "ASK" : "MOVED",
+ hashslot,n->ip,n->port));
+ return REDIS_OK;
+ }
+ }
+ }
+
/* Handle the maxmemory directive.
*
* First we try to free some memory if possible (if there are volatile
sds info = sdsempty();
time_t uptime = time(NULL)-server.stat_starttime;
int j, numcommands;
- char hmem[64];
struct rusage self_ru, c_ru;
unsigned long lol, bib;
int allsections = 0, defsections = 0;
getrusage(RUSAGE_SELF, &self_ru);
getrusage(RUSAGE_CHILDREN, &c_ru);
getClientsMaxBuffers(&lol,&bib);
- bytesToHuman(hmem,zmalloc_used_memory());
/* Server */
if (allsections || defsections || !strcasecmp(section,"server")) {
/* Memory */
if (allsections || defsections || !strcasecmp(section,"memory")) {
+ char hmem[64];
+ char peak_hmem[64];
+
+ bytesToHuman(hmem,zmalloc_used_memory());
+ bytesToHuman(peak_hmem,server.stat_peak_memory);
if (sections++) info = sdscat(info,"\r\n");
info = sdscatprintf(info,
"# Memory\r\n"
"used_memory:%zu\r\n"
"used_memory_human:%s\r\n"
"used_memory_rss:%zu\r\n"
+ "used_memory_peak:%zu\r\n"
+ "used_memory_peak_human:%s\r\n"
"mem_fragmentation_ratio:%.2f\r\n"
- "use_tcmalloc:%d\r\n",
+ "mem_allocator:%s\r\n",
zmalloc_used_memory(),
hmem,
zmalloc_get_rss(),
+ server.stat_peak_memory,
+ peak_hmem,
zmalloc_get_fragmentation_ratio(),
- #ifdef USE_TCMALLOC
- 1
- #else
- 0
- #endif
+ REDIS_MALLOC
);
}
server.lastsave,
server.bgrewritechildpid != -1);
+ if (server.appendonly) {
+ info = sdscatprintf(info,
+ "aof_current_size:%lld\r\n"
+ "aof_base_size:%lld\r\n"
+ "aof_pending_rewrite:%d\r\n",
+ (long long) server.appendonly_current_size,
+ (long long) server.auto_aofrewrite_base_size,
+ server.aofrewrite_scheduled);
+ }
+
if (server.loading) {
double perc;
time_t eta, elapsed;
"keyspace_hits:%lld\r\n"
"keyspace_misses:%lld\r\n"
"pubsub_channels:%ld\r\n"
- "pubsub_patterns:%u\r\n",
+ "pubsub_patterns:%u\r\n"
+ "latest_fork_usec:%lld\r\n",
server.stat_numconnections,
server.stat_numcommands,
server.stat_expiredkeys,
server.stat_keyspace_hits,
server.stat_keyspace_misses,
dictSize(server.pubsub_channels),
- listLength(server.pubsub_patterns));
+ listLength(server.pubsub_patterns),
+ server.stat_fork_time);
}
/* Replication */
(int)(time(NULL)-server.repl_transfer_lastio)
);
}
+
+ if (server.replstate != REDIS_REPL_CONNECTED) {
+ info = sdscatprintf(info,
+ "master_link_down_since_seconds:%ld\r\n",
+ (long)time(NULL)-server.repl_down_since);
+ }
}
info = sdscatprintf(info,
"connected_slaves:%d\r\n",
}
}
+ /* Clusetr */
+ if (allsections || defsections || !strcasecmp(section,"cluster")) {
+ if (sections++) info = sdscat(info,"\r\n");
+ info = sdscatprintf(info,
+ "# Cluster\r\n"
+ "cluster_enabled:%d\r\n",
+ server.cluster_enabled);
+ }
+
/* Key space */
if (allsections || defsections || !strcasecmp(section,"keyspace")) {
if (sections++) info = sdscat(info,"\r\n");
exit(1);
}
+void redisAsciiArt(void) {
+#include "asciilogo.h"
+ char *buf = zmalloc(1024*16);
+
+ snprintf(buf,1024*16,ascii_logo,
+ REDIS_VERSION,
+ redisGitSHA1(),
+ strtol(redisGitDirty(),NULL,10) > 0,
+ (sizeof(long) == 8) ? "64" : "32",
+ server.cluster_enabled ? "cluster" : "stand alone",
+ server.port,
+ (long) getpid()
+ );
+ redisLogRaw(REDIS_NOTICE|REDIS_LOG_RAW,buf);
+ zfree(buf);
+}
+
int main(int argc, char **argv) {
long long start;
if (server.daemonize) daemonize();
initServer();
if (server.daemonize) createPidFile();
+ redisAsciiArt();
redisLog(REDIS_NOTICE,"Server started, Redis version " REDIS_VERSION);
#ifdef __linux__
linuxOvercommitMemoryWarning();