2.6、获取服务器的信息和统计
[root@mysqldb1 bin]# redis-cli -p 6379 info
# Server
redis_version:3.0.5
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:ee8d4e51452e5879
redis_mode:standalone
os:Linux 2.6.32-431.el6.x86_64 x86_64
arch_bits:64
multiplexing_api:epoll
gcc_version:4.4.7
process_id:11760
run_id:51f2b7336fae3bf3e1e4a21d76aa71b02f1e9608
tcp_port:6379
uptime_in_seconds:10033
uptime_in_days:0
hz:10
lru_clock:3570034
config_file:/etc/redis.conf
# Clients
connected_clients:1
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0
# Memory
used_memory:188575024
used_memory_human:179.84M
used_memory_rss:241483776
used_memory_peak:228770552
used_memory_peak_human:218.17M
used_memory_lua:36864
mem_fragmentation_ratio:1.28
mem_allocator:jemalloc-3.6.0
# Persistence
loading:0
rdb_changes_since_last_save:0
rdb_bgsave_in_progress:0
rdb_last_save_time:1446405599
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:2
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:71398
total_commands_processed:22036268
instantaneous_ops_per_sec:0
total_net_input_bytes:820805789
total_net_output_bytes:15461673777
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:6295156
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:3258
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:388.55
used_cpu_user:250.86
used_cpu_sys_children:1.06
used_cpu_user_children:3.15
# Cluster
cluster_enabled:0
# Keyspace
db0:keys=994967,expires=0,avg_ttl=0
3、redis主从模式实战