十九、Redis 服务器

Redis 服务器命令主要是用于管理 redis 服务

范例

以下范例演示了如何获取 redis 服务器的统计信息

$ redis-cli
127、0.0.1:6379> info
# Server
redis_version:3.0.7
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:aa27a151289c9b98
redis_mode:standalone
os:Darwin 17.2.0 x86_64
arch_bits:64
multiplexing_api:kqueue
gcc_version:4.2.1
process_id:702
run_id:63a232c39b249561664fb3a427a95f1bfe33e33e
tcp_port:6379
uptime_in_seconds:611995
uptime_in_days:7
hz:10
lru_clock:15307220
config_file:/usr/local/etc/redis.conf
# Clients
connected_clients:1
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0
# Memory
used_memory:1009664
used_memory_human:986.00K
used_memory_rss:602112
used_memory_peak:1009664
used_memory_peak_human:986.00K
used_memory_lua:36864
mem_fragmentation_ratio:0.60
mem_allocator:libc
# Persistence
loading:0
rdb_changes_since_last_save:0
rdb_bgsave_in_progress:0
rdb_last_save_time:1507867449
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
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:1
total_commands_processed:1
instantaneous_ops_per_sec:0
total_net_input_bytes:31
total_net_output_bytes:6049617
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
evicted_keys:0
keyspace_hits:0
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0
migrate_cached_sockets:0
# 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:174.97
used_cpu_user:51.83
used_cpu_sys_children:0.00
used_cpu_user_children:0.00
# Cluster
cluster_enabled:0
# Keyspace
db0:keys=2,expires=0,avg_ttl=0
127、0.0.1:6379>