Redis Server Info 命令

  • 描述

    Server Info命令以一种易于计算机解析且易于人阅读的格式返回有关服务器的信息和统计信息。
    以下是一些可选参数。
    • server − 有关Redis服务器的常规信息
    • clients − 客户端连接部分
    • memory − 与内存消耗有关的信息
    • persistence − RDB和AOF相关信息
    • stats − 一般统计
    • replication − 主/从复制信息
    • cpu − CPU消耗统计
    • commandstats − Redis命令统计
    • cluster − Redis群集部分
    • keyspace − 与数据库有关的统计
    • all − 返回所有部分
    • default − 仅返回默认的部分集
  • 句法

    以下是Redis Info命令的基本语法。
    
    redis 127.0.0.1:6379> INFO
    
  • 返回值

    字符串答复-作为文本行的集合。
  • 例子

    
    redis 127.0.0.1:6379> INFO
    # Server
    redis_version:2.8.13
    redis_git_sha1:00000000
    redis_git_dirty:0
    redis_build_id:c2238b38b1edb0e2
    redis_mode:standalone
    os:Linux 3.5.0-48-generic x86_64
    arch_bits:64
    multiplexing_api:epoll
    gcc_version:4.7.2
    process_id:3856
    run_id:0e61abd297771de3fe812a3c21027732ac9f41fe
    tcp_port:6379
    uptime_in_seconds:11554
    uptime_in_days:0
    hz:10
    lru_clock:16651447
    config_file:
    
    # Clients
    connected_clients:1
    client_longest_output_list:0
    client_biggest_input_buf:0
    blocked_clients:0
    
    # Memory
    used_memory:589016
    used_memory_human:575.21K
    used_memory_rss:2461696
    used_memory_peak:667312
    used_memory_peak_human:651.67K
    used_memory_lua:33792
    mem_fragmentation_ratio:4.18
    mem_allocator:jemalloc-3.6.0
    
    # Persistence
    loading:0
    rdb_changes_since_last_save:3
    rdb_bgsave_in_progress:0
    rdb_last_save_time:1409158561
    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:24
    total_commands_processed:294
    instantaneous_ops_per_sec:0
    rejected_connections:0
    sync_full:0
    sync_partial_ok:0
    sync_partial_err:0
    expired_keys:0
    evicted_keys:0
    keyspace_hits:41
    keyspace_misses:82
    pubsub_channels:0
    pubsub_patterns:0
    latest_fork_usec:264
    
    # 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:10.49
    used_cpu_user:4.96
    used_cpu_sys_children:0.00
    used_cpu_user_children:0.01
    
    # Keyspace
    db0:keys = 94,expires = 1,avg_ttl = 41638810
    db1:keys = 1,expires = 0,avg_ttl = 0
    db3:keys = 1,expires = 0,avg_ttl = 0