Redis常用系统命令归纳
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Redis常用系统命令归纳
keys [pattern/*] //返回匹配的key，*代表全部exists keyName //查询keyName的key是否存在del //删除一个keyexpire //设定一个key的过期时间persist //移除给定的过期时间ttl //查询一个key的当前过期时间move //移动key到其他的数据库 redis有15个库，登录默认为0库randomkey //随机返回一个keyrename //重命名keytype //返回一个key的数据类型 string list set zsetping //查询连通情况select //选择一个数据库quit/exit //退出redis数据库dbsize //返回当前数据库中key的数目info //获取服务信息和统计config get //实时传输收到的请求flush //删除当前库中所有的key实例: 127.0.0.1:6379> keys * 1) "name1" 2) "name" 3) "name2" 4) "id5" 5) "names:002" 6) "id2" 7) "sets3" 8) "names:001" 9) "list1" 10) "id3" 11) "ganggenulichenggong" 12) "id1" 13) "name3" 14) "names:003" 15) "sets2" 16) "sets1" 127.0.0.1:6379> exists name (integer) 1 127.0.0.1:6379> exists sunsuqing (integer) 0 127.0.0.1:6379> del name (integer) 1 127.0.0.1:6379> expire name1 10 (integer) 1 127.0.0.1:6379> select 1 OK 127.0.0.1:6379[1]> select 2 OK 127.0.0.1:6379[2]> select 0 OK 127.0.0.1:6379> select name 2 (error) ERR wrong number of arguments for 'select' command 127.0.0.1:6379> move sets3 5 (integer) 1 127.0.0.1:6379> select 5 OK 127.0.0.1:6379[5]> get sets3 (error) WRONGTYPE Operation against a key holding the wrong kind of value 127.0.0.1:6379[5]> select 0 OK 127.0.0.1:6379> keys * 1) "name2" 2) "id5" 3) "names:002" 4) "id2" 5) "names:001" 6) "list1" 7) "id3" 8) "ganggenulichenggong" 9) "id1" 10) "name3" 11) "names:003" 12) "sets2" 13) "sets1" 127.0.0.1:6379> expire name3 300 (integer) 1 127.0.0.1:6379> ttl name3 (integer) 295 127.0.0.1:6379> ttl name3 (integer) 294 127.0.0.1:6379> ttl name3 (integer) 293 127.0.0.1:6379> 127.0.0.1:6379> 127.0.0.1:6379> 127.0.0.1:6379> 127.0.0.1:6379> ttl name3 (integer) 290 127.0.0.1:6379> persist age (integer) 0 127.0.0.1:6379> persist name3 (integer) 1 127.0.0.1:6379> ttl name3 (integer) -1 127.0.0.1:6379> randomkey "sets1" 127.0.0.1:6379> rename name3 niushao OK 127.0.0.1:6379> get niushao "gangge" 127.0.0.1:6379> type id1 string 127.0.0.1:6379> type sets1 set 127.0.0.1:6379> type sets2 set 127.0.0.1:6379> pint (error) ERR unknown command 'pint' 127.0.0.1:6379> ping PONG 127.0.0.1:6379> dbsize (integer) 13 127.0.0.1:6379> info # Server redis_version:2.8.20 redis_git_sha1:00000000 redis_git_dirty:0 redis_build_id:2f27060cc08b890d redis_mode:standalone os:Linux 2.6.32-504.30.3.el6.i686 i686 arch_bits:32 multiplexing_api:epoll gcc_version:4.4.7 process_id:11595 run_id:814f8f123f3c5c05f8d5b3e71e678cc88a8a5852 tcp_port:6379 uptime_in_seconds:262996 uptime_in_days:3 hz:10 lru_clock:14053484 config_file:/usr/local/redis/etc/redis.conf # Clients connected_clients:1 client_longest_output_list:0 client_biggest_input_buf:0 blocked_clients:0 # Memory used_memory:635248 used_memory_human:620.36K used_memory_rss:1871872 used_memory_peak:635248 used_memory_peak_human:620.36K used_memory_lua:23552 mem_fragmentation_ratio:2.95 mem_allocator:jemalloc-3.6.0 # Persistence loading:0 rdb_changes_since_last_save:5 rdb_bgsave_in_progress:0 rdb_last_save_time:1490448253 rdb_last_bgsave_status:ok rdb_last_bgsave_time_sec:0 rdb_current_bgsave_time_sec:-1 aof_enabled:0 aof_rewrite_in_progress:0 aof_rewrite_scheduled:0 aof_last_rewrite_time_sec:-1 aof_current_rewrite_time_sec:-1 aof_last_bgrewrite_status:ok aof_last_write_status:ok # Stats total_connections_received:4 total_commands_processed:187 instantaneous_ops_per_sec:0 total_net_input_bytes:7761 total_net_output_bytes:4184 instantaneous_input_kbps:0.00 instantaneous_output_kbps:0.00 rejected_connections:0 sync_full:0 sync_partial_ok:0 sync_partial_err:0 expired_keys:2 evicted_keys:0 keyspace_hits:95 keyspace_misses:15 pubsub_channels:0 pubsub_patterns:0 latest_fork_usec:139 # Replication role:master connected_slaves:0 master_repl_offset:0 repl_backlog_active:0 repl_backlog_size:1048576 repl_backlog_first_byte_offset:0 repl_backlog_histlen:0 # CPU used_cpu_sys:147.73 used_cpu_user:74.83 used_cpu_sys_children:0.00 used_cpu_user_children:0.00 # Keyspace db0:keys=13,expires=0,avg_ttl=0 db5:keys=1,expires=0,avg_ttl=0 127.0.0.1:6379> config get * 1) "dbfilename" 2) "dump.rdb" 3) "requirepass" 4) "" 5) "masterauth" 6) "" 7) "unixsocket" 8) "" 9) "logfile" 10) "" 11) "pidfile" 12) "/var/run/redis.pid" 13) "maxmemory" 14) "3221225472" 15) "maxmemory-samples" 16) "3" 17) "timeout" 18) "0" 19) "tcp-keepalive" 20) "0" 21) "auto-aof-rewrite-percentage" 22) "100" 23) "auto-aof-rewrite-min-size" 24) "67108864" 25) "hash-max-ziplist-entries" 26) "512" 27) "hash-max-ziplist-value" 28) "64" 29) "list-max-ziplist-entries" 30) "512" 31) "list-max-ziplist-value" 32) "64" 33) "set-max-intset-entries" 34) "512" 35) "zset-max-ziplist-entries" 36) "128" 37) "zset-max-ziplist-value" 38) "64" 39) "hll-sparse-max-bytes" 40) "3000" 41) "lua-time-limit" 42) "5000" 43) "slowlog-log-slower-than" 44) "10000" 45) "latency-monitor-threshold" 46) "0" 47) "slowlog-max-len" 48) "128" 49) "port" 50) "6379" 51) "tcp-backlog" 52) "511" 53) "databases" 54) "16" 55) "repl-ping-slave-period" 56) "10" 57) "repl-timeout" 58) "60" 59) "repl-backlog-size" 60) "1048576" 61) "repl-backlog-ttl" 62) "3600" 63) "maxclients" 64) "10000" 65) "watchdog-period" 66) "0" 67) "slave-priority" 68) "100" 69) "min-slaves-to-write" 70) "0" 71) "min-slaves-max-lag" 72) "10" 73) "hz" 74) "10" 75) "repl-diskless-sync-delay" 76) "5" 77) "no-appendfsync-on-rewrite" 78) "no" 79) "slave-serve-stale-data" 80) "yes" 81) "slave-read-only" 82) "yes" 83) "stop-writes-on-bgsave-error" 84) "yes" 85) "daemonize" 86) "yes" 87) "rdbcompression" 88) "yes" 89) "rdbchecksum" 90) "yes" 91) "activerehashing" 92) "yes" 93) "repl-disable-tcp-nodelay" 94) "no" 95) "repl-diskless-sync" 96) "no" 97) "aof-rewrite-incremental-fsync" 98) "yes" 99) "aof-load-truncated" 100) "yes" 101) "appendonly" 102) "no" 103) "dir" 104) "/usr/local/redis/bin" 105) "maxmemory-policy" 106) "noeviction" 107) "appendfsync" 108) "everysec" 109) "save" 110) "900 1 300 10 60 10000" 111) "loglevel" 112) "notice" 113) "client-output-buffer-limit" 114) "normal 0 0 0 slave 268435456 67108864 60 pubsub 33554432 8388608 60" 115) "unixsocketperm" 116) "0" 117) "slaveof" 118) "" 119) "notify-keyspace-events" 120) "" 121) "bind" 122) "127.0.0.1" 127.0.0.1:6379> 0 0
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