10.Redis-服务器命令

echo，在命令行打印一些内容

 

select，选择数据库。Redis数据库编号从0-15，可以选择任意一个数据库来进行数据的存取。

quit，退出连接。相当于Ctrl+C

dbsize，返回当前数据库中key的数目。

info，获取服务器的信息和统计。

# Server
redis_version:3.0.0
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:25b1b3662f22f990
redis_mode:standalone
os:Linux 2.6.32-431.el6.i686 i686
arch_bits:32
multiplexing_api:epoll
gcc_version:4.4.7
process_id:5976
run_id:86add8274178fff35cb3ca18c9d0f372494f3732
tcp_port:6379
uptime_in_seconds:52430
uptime_in_days:0
hz:10
lru_clock:1603759
config_file:/usr/local/redis/./redis.conf//配置文件位置

# Clients
connected_clients:2//当前有两个客户端连接
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0

# Memory
used_memory:659496
used_memory_human:644.04K
used_memory_rss:1908736
used_memory_peak:659496
used_memory_peak_human:644.04K
used_memory_lua:23552
mem_fragmentation_ratio:2.89
mem_allocator:jemalloc-3.6.0

# Persistence
loading:0
rdb_changes_since_last_save:1
rdb_bgsave_in_progress:0
rdb_last_save_time:1595438698
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:0
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:7
total_commands_processed:248
instantaneous_ops_per_sec:0
total_net_input_bytes:8827
total_net_output_bytes:10824
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:1
evicted_keys:0
keyspace_hits:121
keyspace_misses:14
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:596
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:57.81
used_cpu_user:26.55
used_cpu_sys_children:0.05
used_cpu_user_children:0.01

# Cluster
cluster_enabled:0

# Keyspace
db0:keys=11,expires=0,avg_ttl=0数据库0有11个key
db1:keys=1,expires=0,avg_ttl=0数据库1有1个key

 

flushdb，删除当前选择数据库中的所有key。

flushall，删除所有数据库中的所有key。