Modify by lyc at 2018-02-05
参考博文:http://www.cnblogs.com/GoogleGetZ/p/6380647.html
参考博文:https://blog.csdn.net/mysqldba23/article/details/68066322
INFO 命令
查看当前redis服务器的总体配置信息
1.Server区块(服务器信息)
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| 127.0.0.1:6379> INFO
redis_version:3.0.7 redis_git_sha1:00000000 redis_git_dirty:0 redis_build_id:83e49377821bf9fb redis_mode:standalone os:Linux 2.6.32-642.el6.x86_64 x86_64 arch_bits:64 multiplexing_api:epoll gcc_version:4.4.7 process_id:3024 run_id:890ee8add83a6a593c493131f6bbe9dd573d65ba tcp_port:6379 uptime_in_seconds:14175 uptime_in_days:0 hz:10 lru_clock:7889513 config_file:/usr/local/redis/etc/redis-6379.conf
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2.Clients区块
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| connected_clients:1 client_longest_output_list:0 client_biggest_input_buf:0 blocked_clients:0
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3.Memory区块
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| used_memory:828920 used_memory_human:809.49K used_memory_rss:7741440 used_memory_peak:828976 used_memory_peak_human:809.55K used_memory_lua:36864 mem_fragmentation_ratio:9.34 mem_allocator:jemalloc-3.6.0
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4.Persistence区块(rdb和aof持久化)
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| loading:0 rdb_changes_since_last_save:3 rdb_bgsave_in_progress:0 rdb_last_save_time:1517827227 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
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5.Stats区块(一般统计信息)
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| total_connections_received:7 total_commands_processed:14 instantaneous_ops_per_sec:0 total_net_input_bytes:347 total_net_output_bytes:2213 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:0 evicted_keys:0 keyspace_hits:0 keyspace_misses:0 pubsub_channels:0 pubsub_patterns:0 latest_fork_usec:906 migrate_cached_sockets:0
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6.Replication区块(主从信息)
master
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| role:master connected_slaves:1 slave0:ip=192.168.64.104,port=9021,state=online,offset=6713173004,lag=0 master_repl_offset:6713173145 repl_backlog_active:1 repl_backlog_size:134217728 repl_backlog_first_byte_offset:6578955418 repl_backlog_histlen:134217728
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slave
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| role:slave master_host:192.168.64.102 master_port:9021 master_link_status:up master_last_io_seconds_ago:0 master_sync_in_progress:0 slave_repl_offset:6713173818 slave_priority:100 slave_read_only:1 connected_slaves:0 master_repl_offset:0 repl_backlog_active:0 repl_backlog_size:134217728 repl_backlog_first_byte_offset:0 repl_backlog_histlen:0
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7.CPU
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| used_cpu_sys:96894.66 used_cpu_user:87397.39 used_cpu_sys_children:6.37 used_cpu_user_children:52.83
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8.Cluster(集群相关信息)
9.Keyspace(数据库相关的统计信息)
1
| db0:keys=194690,expires=191702,avg_ttl=3607772262
|