redis info 命令说明

redis info 可以查看 redis服务运行信息 可以分为9大模块

Server 服务器运行的环境参数 
Clients 客户端相关信息 
Memory 服务器运行内存统计数据 
Persistence 持久化信息 
Stats 通用统计数据 
Replication 主从复制相关信息 
CPU CPU 使用情况 
Cluster 集群信息 
KeySpace 键值对统计数量信息

在redis 客户端输入 info 即可以查看

info

# Server
redis_version:5.0.7
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:9a0f3e5885f4cd29
redis_mode:standalone
os:Linux 3.10.0-1160.25.1.el7.x86_64 x86_64
arch_bits:64
multiplexing_api:epoll
atomicvar_api:atomic-builtin
gcc_version:4.8.5
process_id:1643
run_id:d0fe343e6531f6838d96593c9b92d75bd4a44297
tcp_port:6379
uptime_in_seconds:1307
uptime_in_days:0
hz:10
configured_hz:10
lru_clock:13419922
executable:/opt/redis-5.0.7/bin/./redis-server
config_file:/opt/redis-5.0.7/conf/redis.conf

# Clients
connected_clients:1
client_recent_max_input_buffer:2
client_recent_max_output_buffer:0
blocked_clients:0

# Memory
used_memory:914368
used_memory_human:892.94K
used_memory_rss:2338816
used_memory_rss_human:2.23M
used_memory_peak:914368
used_memory_peak_human:892.94K
used_memory_peak_perc:100.12%
used_memory_overhead:912102
used_memory_startup:861352
used_memory_dataset:2266
used_memory_dataset_perc:4.27%
allocator_allocated:880560
allocator_active:2300928
allocator_resident:2300928
total_system_memory:3953950720
total_system_memory_human:3.68G
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:2.61
allocator_frag_bytes:1420368
allocator_rss_ratio:1.00
allocator_rss_bytes:0
rss_overhead_ratio:1.02
rss_overhead_bytes:37888
mem_fragmentation_ratio:2.66
mem_fragmentation_bytes:1458256
mem_not_counted_for_evict:0
mem_replication_backlog:0
mem_clients_slaves:0
mem_clients_normal:49694
mem_aof_buffer:0
mem_allocator:libc
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:1624032571
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:0
rdb_current_bgsave_time_sec:-1
rdb_last_cow_size:102400
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
aof_last_cow_size:0

# Stats
total_connections_received:1
total_commands_processed:30
instantaneous_ops_per_sec:0
total_net_input_bytes:1186
total_net_output_bytes:12108
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
expired_stale_perc:0.00
expired_time_cap_reached_count:0
evicted_keys:0
keyspace_hits:0
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:2191
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:acccfee27a3bba525b1e10cc1c379ff8d88bc27e
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:1.646714
used_cpu_user:0.628456
used_cpu_sys_children:0.005536
used_cpu_user_children:0.000000

# Cluster
cluster_enabled:0

# Keyspace
db0:keys=20,expires=0,avg_ttl=0