info命令可以用於單機或者redis集羣下查看實例的信息。
包含server ,client,memory,Persistence,Stats,Replication,CPU,Commandstats ,Cluster
# Server
redis_version:5.0.8
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:84c208d217decf4d
redis_mode:standalone
os:Linux 3.10.0-957.el7.x86_64 x86_64
arch_bits:64
multiplexing_api:epoll
atomicvar_api:atomic-builtin
gcc_version:4.8.5
process_id:16320
run_id:582e3dbc085164f2e70e8e7a9f0c0b031a3eadc4
tcp_port:6379
uptime_in_seconds:1205467
uptime_in_days:13
hz:10
configured_hz:10
lru_clock:11369550
executable:/usr/local/redis-5/bin/./redis-server
config_file:/usr/local/redis-5/conf/redis.conf
# Clients
connected_clients:4
client_recent_max_input_buffer:2
client_recent_max_output_buffer:0
blocked_clients:0
# Memory
used_memory:35411392
used_memory_human:33.77M
used_memory_rss:108695552
used_memory_rss_human:103.66M
used_memory_peak:247232216
used_memory_peak_human:235.78M
used_memory_peak_perc:14.32%
used_memory_overhead:8989514
used_memory_startup:792448
used_memory_dataset:26421878
used_memory_dataset_perc:76.32%
allocator_allocated:35727288
allocator_active:36995072
allocator_resident:317833216
total_system_memory:1019797504
total_system_memory_human:972.55M
used_memory_lua:37888
used_memory_lua_human:37.00K
used_memory_scripts:0
used_memory_scripts_human:0B
number_of_cached_scripts:0
maxmemory:0
maxmemory_human:0B
maxmemory_policy:noeviction
allocator_frag_ratio:1.04
allocator_frag_bytes:1267784
allocator_rss_ratio:8.59
allocator_rss_bytes:280838144
rss_overhead_ratio:0.34
rss_overhead_bytes:-209137664
mem_fragmentation_ratio:3.07
mem_fragmentation_bytes:73326416
mem_not_counted_for_evict:334
mem_replication_backlog:0
mem_clients_slaves:0
mem_clients_normal:100460
mem_aof_buffer:334
mem_allocator:jemalloc-5.1.0
active_defrag_running:0
lazyfree_pending_objects:0
# Persistence
loading:0
rdb_changes_since_last_save:0
rdb_bgsave_in_progress:0
rdb_last_save_time:1588427693
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:0
rdb_current_bgsave_time_sec:-1
rdb_last_cow_size:3543040
aof_enabled:1
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
aof_last_cow_size:0
aof_current_size:25019732
aof_base_size:2501693
aof_pending_rewrite:0
aof_buffer_length:0
aof_rewrite_buffer_length:0
aof_pending_bio_fsync:0
aof_delayed_fsync:0
# Stats
total_connections_received:134991
total_commands_processed:220215
instantaneous_ops_per_sec:0
total_net_input_bytes:23720638
total_net_output_bytes:16751817
instantaneous_input_kbps:0.00
instantaneous_output_kbps:0.00
rejected_connections:6
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:0
expired_stale_perc:0.00
expired_time_cap_reached_count:0
evicted_keys:0
keyspace_hits:0
keyspace_misses:48
pubsub_channels:2
pubsub_patterns:1
latest_fork_usec:2113
migrate_cached_sockets:0
slave_expires_tracked_keys:0
active_defrag_hits:0
active_defrag_misses:0
active_defrag_key_hits:0
active_defrag_key_misses:0
# Replication
role:master
connected_slaves:0
master_replid:bdf797c91e46b00bab07172cdff48a4973fcc44f
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0
# CPU
used_cpu_sys:27.779709
used_cpu_user:4.496870
used_cpu_sys_children:1.090099
used_cpu_user_children:0.881493
# Cluster
cluster_enabled:0
# Keyspace
db0:keys=149978,expires=0,avg_ttl=0
info [section] 查看部分信息，如查看客戶端連接數
