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redis info命令詳解

不同版本的 Redis 可能對返回的一些域進行了增加或刪減。

因此,一個健壯的客戶端程式在對 INFO 命令的輸出進行分析時,應該能夠跳過不認識的域,並且妥善地處理丟失不見的域。

以下是具體輸出:

# Server
redis_version:3.0.2
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:38070e960715a0be
redis_mode:standalone
os:Linux 3.10.0-229.20.1.el7.x86_64 x86_64
arch_bits:64
multiplexing_api:epoll
gcc_version:4.8.5
process_id:49596
run_id:d5977a7c497b0a6e79be033775611de3e20e567a
tcp_port:6379
uptime_in_seconds:3924053
uptime_in_days:45
hz:10
lru_clock:15580010
config_file:/etc/redis/redis.conf

# Clients
connected_clients:27
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0

# Memory
used_memory:4000149352
used_memory_human:3.73G
used_memory_rss:4099002368
used_memory_peak:4011947920
used_memory_peak_human:3.74G
used_memory_lua:36864
mem_fragmentation_ratio:1.02
mem_allocator:jemalloc-3.6.0

# Persistence
loading:0
rdb_changes_since_last_save:22
rdb_bgsave_in_progress:0
rdb_last_save_time:1475197732
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:17
rdb_current_bgsave_time_sec:-1
aof_enabled:1
aof_rewrite_in_progress:0
aof_rewrite_scheduled:0
aof_last_rewrite_time_sec:12
aof_current_rewrite_time_sec:-1
aof_last_bgrewrite_status:ok
aof_last_write_status:ok
aof_current_size:2609265217
aof_base_size:2248935500
aof_pending_rewrite:0
aof_buffer_length:0
aof_rewrite_buffer_length:0
aof_pending_bio_fsync:0
aof_delayed_fsync:1

# Stats
total_connections_received:733077
total_commands_processed:4141456757
instantaneous_ops_per_sec:701
total_net_input_bytes:187093798573
total_net_output_bytes:150447642455
instantaneous_input_kbps:16.58
instantaneous_output_kbps:4.13
rejected_connections:0
sync_full:2
sync_partial_ok:0
sync_partial_err:0
expired_keys:273526
evicted_keys:0
keyspace_hits:1238382
keyspace_misses:269351
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:82612
migrate_cached_sockets:0

# Replication
role:master
connected_slaves:1
slave0:ip=10.14.12.24,port=6379,state=online,offset=85975531814,lag=0
master_repl_offset:85975531814
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:85974483239
repl_backlog_histlen:1048576

# CPU
used_cpu_sys:70241.91
used_cpu_user:48798.31
used_cpu_sys_children:11908.05
used_cpu_user_children:153344.16

# Cluster
cluster_enabled:0

# Keyspace
db0:keys=1,expires=0,avg_ttl=0
db1:keys=26344,expires=0,avg_ttl=0
db2:keys=506384,expires=0,avg_ttl=0
db3:keys=509,expires=0,avg_ttl=0
db5:keys=142,expires=118,avg_ttl=3728222
db6:keys=19,expires=19,avg_ttl=4300607
db7:keys=4,expires=4,avg_ttl=1079217
db9:keys=915122,expires=0,avg_ttl=0
db10:keys=211037,expires=0,avg_ttl=0
db13:keys=145,expires=0,avg_ttl=0
db14:keys=4016,expires=0,avg_ttl=0

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