/*
- * Copyright (c) 2009-201
0, Salvatore Sanfilippo <antirez at gmail dot com>
+ * Copyright (c) 2009-201
2, Salvatore Sanfilippo <antirez at gmail dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* t: Allow command while a slave has stale data but is not allowed to
* server this data. Normally no command is accepted in this condition
* but just a few.
+ * M: Do not automatically propagate the command on MONITOR.
*/
struct redisCommand redisCommandTable[] = {
{"get",getCommand,2,"r",0,NULL,1,1,1,0,0},
{"lastsave",lastsaveCommand,1,"r",0,NULL,0,0,0,0,0},
{"type",typeCommand,2,"r",0,NULL,1,1,1,0,0},
{"multi",multiCommand,1,"rs",0,NULL,0,0,0,0,0},
- {"exec",execCommand,1,"s",0,NULL,0,0,0,0,0},
+ {"exec",execCommand,1,"sM",0,NULL,0,0,0,0,0},
{"discard",discardCommand,1,"rs",0,NULL,0,0,0,0,0},
{"sync",syncCommand,1,"ars",0,NULL,0,0,0,0,0},
{"replconf",replconfCommand,-1,"ars",0,NULL,0,0,0,0,0},
{"watch",watchCommand,-2,"rs",0,noPreloadGetKeys,1,-1,1,0,0},
{"unwatch",unwatchCommand,1,"rs",0,NULL,0,0,0,0,0},
{"cluster",clusterCommand,-2,"ar",0,NULL,0,0,0,0,0},
- {"restore",restoreCommand,4,"awm",0,NULL,1,1,1,0,0},
- {"migrate",migrateCommand,6,"aw",0,NULL,0,0,0,0,0},
+ {"restore",restoreCommand,-4,"awm",0,NULL,1,1,1,0,0},
+ {"migrate",migrateCommand,-6,"aw",0,NULL,0,0,0,0,0},
{"asking",askingCommand,1,"r",0,NULL,0,0,0,0,0},
{"dump",dumpCommand,2,"ar",0,NULL,1,1,1,0,0},
{"object",objectCommand,-2,"r",0,NULL,2,2,2,0,0},
NULL /* val destructor */
};
+/* Migrate cache dict type. */
+dictType migrateCacheDictType = {
+ 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;
if (pid == server.rdb_child_pid) {
backgroundSaveDoneHandler(exitcode,bysignal);
- } else {
+ } else if (pid == server.aof_child_pid) {
backgroundRewriteDoneHandler(exitcode,bysignal);
+ } else {
+ redisLog(REDIS_WARNING,
+ "Warning, detected child with unmatched pid: %ld",
+ (long)pid);
}
updateDictResizePolicy();
}
* to detect transfer failures. */
run_with_period(1000) replicationCron();
- /* Run other sub-systems specific cron jobs */
+ /* Run the Redis Cluster cron. */
run_with_period(1000) {
if (server.cluster_enabled) clusterCron();
}
- /* Run the sentinel timer if we are in sentinel mode. */
+ /* Run the Sentinel timer if we are in sentinel mode. */
run_with_period(100) {
if (server.sentinel_mode) sentinelTimer();
}
+ /* Cleanup expired MIGRATE cached sockets. */
+ run_with_period(1000) {
+ migrateCloseTimedoutSockets();
+ }
+
server.cronloops++;
return 1000/REDIS_HZ;
}
shared.pong = createObject(REDIS_STRING,sdsnew("+PONG\r\n"));
shared.queued = createObject(REDIS_STRING,sdsnew("+QUEUED\r\n"));
shared.wrongtypeerr = createObject(REDIS_STRING,sdsnew(
- "-ERR Operation against a key holding the wrong kind of value\r\n"));
+ "-WRONGTYPE Operation against a key holding the wrong kind of value\r\n"));
shared.nokeyerr = createObject(REDIS_STRING,sdsnew(
"-ERR no such key\r\n"));
shared.syntaxerr = createObject(REDIS_STRING,sdsnew(
server.lua_time_limit = REDIS_LUA_TIME_LIMIT;
server.lua_client = NULL;
server.lua_timedout = 0;
+ server.migrate_cached_sockets = dictCreate(&migrateCacheDictType,NULL);
updateLRUClock();
resetServerSaveParams();
/* 32 bit instances are limited to 4GB of address space, so if there is
* no explicit limit in the user provided configuration we set a limit
- * at 3.5GB using maxmemory with 'noeviction' policy'. This saves
- * useless crashes of the Redis instance. */
+ * at 3 GB using maxmemory with 'noeviction' policy'. This avoids
+ * useless crashes of the Redis instance for out of memory. */
if (server.arch_bits == 32 && server.maxmemory == 0) {
- redisLog(REDIS_WARNING,"Warning: 32 bit instance detected but no memory limit set. Setting 3.5 GB maxmemory limit with 'noeviction' policy now.");
- server.maxmemory = 3584LL*(1024*1024); /* 3584 MB = 3.5 GB */
+ redisLog(REDIS_WARNING,"Warning: 32 bit instance detected but no memory limit set. Setting 3 GB maxmemory limit with 'noeviction' policy now.");
+ server.maxmemory = 3072LL*(1024*1024); /* 3 GB */
server.maxmemory_policy = REDIS_MAXMEMORY_NO_EVICTION;
}
case 'S': c->flags |= REDIS_CMD_SORT_FOR_SCRIPT; break;
case 'l': c->flags |= REDIS_CMD_LOADING; break;
case 't': c->flags |= REDIS_CMD_STALE; break;
+ case 'M': c->flags |= REDIS_CMD_SKIP_MONITOR; break;
default: redisPanic("Unsupported command flag"); break;
}
f++;
}
/* Propagate the specified command (in the context of the specified database id)
- * to AOF, Slaves and Monitors.
+ * to AOF and Slaves.
*
* flags are an xor between:
* + REDIS_PROPAGATE_NONE (no propagation of command at all)
/* Sent the command to clients in MONITOR mode, only if the commands are
* not geneated from reading an AOF. */
- if (listLength(server.monitors) && !server.loading)
+ if (listLength(server.monitors) &&
+ !server.loading &&
+ !(c->cmd->flags & REDIS_CMD_SKIP_MONITOR))
+ {
replicationFeedMonitors(c,server.monitors,c->db->id,c->argv,c->argc);
+ }
/* Call the command. */
redisOpArrayInit(&server.also_propagate);
}
/* If this function gets called we already read a whole
- * command, argments are in the client argv/argc fields.
+ * command, arguments are in the client argv/argc fields.
* processCommand() execute the command or prepare the
* server for a bulk read from the client.
*
/* Lua script too slow? Only allow commands with REDIS_CMD_STALE flag. */
if (server.lua_timedout &&
+ c->cmd->proc != authCommand &&
!(c->cmd->proc == shutdownCommand &&
c->argc == 2 &&
tolower(((char*)c->argv[1]->ptr)[0]) == 'n') &&
"keyspace_misses:%lld\r\n"
"pubsub_channels:%ld\r\n"
"pubsub_patterns:%lu\r\n"
- "latest_fork_usec:%lld\r\n",
+ "latest_fork_usec:%lld\r\n"
+ "migrate_cached_sockets:%ld\r\n",
server.stat_numconnections,
server.stat_numcommands,
getOperationsPerSecond(),
server.stat_keyspace_misses,
dictSize(server.pubsub_channels),
listLength(server.pubsub_patterns),
- server.stat_fork_time);
+ server.stat_fork_time,
+ dictSize(server.migrate_cached_sockets));
}
/* Replication */
(long)server.unixtime-server.repl_down_since);
}
info = sdscatprintf(info,
- "slave_priority:%d\r\n", server.slave_priority);
+ "slave_priority:%d\r\n"
+ "slave_read_only:%d\r\n",
+ server.slave_priority,
+ server.repl_slave_ro);
}
info = sdscatprintf(info,
"connected_slaves:%lu\r\n",
}
void monitorCommand(redisClient *c) {
- /* ignore MONITOR if aleady slave or in monitor mode */
+ /* ignore MONITOR if already slave or in monitor mode */
if (c->flags & REDIS_SLAVE) return;
c->flags |= (REDIS_SLAVE|REDIS_MONITOR);
de = dictGetRandomKey(dict);
thiskey = dictGetKey(de);
- /* When policy is volatile-lru we need an additonal lookup
+ /* When policy is volatile-lru we need an additional lookup
* to locate the real key, as dict is set to db->expires. */
if (server.maxmemory_policy == REDIS_MAXMEMORY_VOLATILE_LRU)
de = dictFind(db->dict, thiskey);
redisAsciiArt();
if (!server.sentinel_mode) {
- /* Things only needed when not runnign in Sentinel mode. */
+ /* Things only needed when not running in Sentinel mode. */
redisLog(REDIS_WARNING,"Server started, Redis version " REDIS_VERSION);
#ifdef __linux__
linuxOvercommitMemoryWarning();
redisLog(REDIS_NOTICE,"The server is now ready to accept connections at %s", server.unixsocket);
}
+ /* Warning the user about suspicious maxmemory setting. */
+ if (server.maxmemory > 0 && server.maxmemory < 1024*1024) {
+ redisLog(REDIS_WARNING,"WARNING: You specified a maxmemory value that is less than 1MB (current value is %llu bytes). Are you sure this is what you really want?", server.maxmemory);
+ }
+
aeSetBeforeSleepProc(server.el,beforeSleep);
aeMain(server.el);
aeDeleteEventLoop(server.el);
projects / redis.git / blobdiff