Redis 服务器

Redis 服务器

Redis 服务器命令主要是用于管理redis服务。

实例

以下实例演示了如何获取redis服务器的统计信息：

[root@localhost ~]# redis-cli

127.0.0.1:6379> info

# Server

redis_version:5.0.7

redis_git_sha1:00000000

redis_git_dirty:0

redis_build_id:743b8244b8e27193

redis_mode:standalone

os:Linux 3.10.0-693.el7.x86_64 x86_64

arch_bits:64

multiplexing_api:epoll

atomicvar_api:atomic-builtin

gcc_version:4.8.5

process_id:8153

run_id:72ee9108ccfa7ea74bcf41c9b7575f327c3d64fd

tcp_port:6379

uptime_in_seconds:65985

uptime_in_days:0

hz:10

configured_hz:10

lru_clock:12275032

executable:/usr/local/redis/redis-server

config_file:/usr/local/redis/redis.conf

# Clients

connected_clients:1

client_recent_max_input_buffer:2

client_recent_max_output_buffer:0

blocked_clients:0

# Memory

used_memory:855648

used_memory_human:835.59K

used_memory_rss:4173824

used_memory_rss_human:3.98M

used_memory_peak:874960

used_memory_peak_human:854.45K

used_memory_peak_perc:97.79%

used_memory_overhead:841904

used_memory_startup:791392

used_memory_dataset:13744

used_memory_dataset_perc:21.39%

allocator_allocated:1295824

allocator_active:1576960

allocator_resident:12136448

total_system_memory:1040953344

total_system_memory_human:992.73M

used_memory_lua:40960

used_memory_lua_human:40.00K

used_memory_scripts:152

used_memory_scripts_human:152B

number_of_cached_scripts:1

maxmemory:0

maxmemory_human:0B

maxmemory_policy:noeviction

allocator_frag_ratio:1.22

allocator_frag_bytes:281136

allocator_rss_ratio:7.70

allocator_rss_bytes:10559488

rss_overhead_ratio:0.34

rss_overhead_bytes:-7962624

mem_fragmentation_ratio:5.13

mem_fragmentation_bytes:3360176

mem_not_counted_for_evict:322

mem_replication_backlog:0

mem_clients_slaves:0

mem_clients_normal:49694

mem_aof_buffer:322

mem_allocator:jemalloc-5.1.0

active_defrag_running:0

lazyfree_pending_objects:0

# Persistence

loading:0

rdb_changes_since_last_save:4

rdb_bgsave_in_progress:0

rdb_last_save_time:1589332535

rdb_last_bgsave_status:ok

rdb_last_bgsave_time_sec:0

rdb_current_bgsave_time_sec:-1

rdb_last_cow_size:294912

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:1945

aof_base_size:0

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:23

total_commands_processed:112

instantaneous_ops_per_sec:0

total_net_input_bytes:3907

total_net_output_bytes:269171

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:14

keyspace_misses:3

pubsub_channels:0

pubsub_patterns:0

latest_fork_usec:354

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:c6b33e7fa147d50f8e1b1c7c774c3e8b47f6919d

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:37.448751

used_cpu_user:44.879583

used_cpu_sys_children:0.020942

used_cpu_user_children:0.001411

# Cluster

cluster_enabled:0

# Keyspace

db0:keys=7,expires=0,avg_ttl=0

Redis 服务器命令

下表列出了redis服务器的相关命令: