Redis服务端状态与性能监控命令

1、redis-benchmark 
redis基准信息，redis服务器性能检测 

redis-benchmark -h localhost -p 6379 -c 100 -n 100000 
100个并发连接，100000个请求，检测host为localhost 端口为6379的redis服务器性能 

[root@Architect redis-1.2.6]# redis-benchmark -h localhost -p 6379 -c 100 -n 100000  

====== PING ======  

  10001 requests completed in 0.41 seconds  

  50 parallel clients  

  3 bytes payload  

  keep alive: 1  

  

0.01% <= 0 milliseconds  

23.09% <= 1 milliseconds  

85.82% <= 2 milliseconds  

95.60% <= 3 milliseconds  

97.20% <= 4 milliseconds  

97.96% <= 5 milliseconds  

98.83% <= 6 milliseconds  

99.41% <= 7 milliseconds  

99.70% <= 8 milliseconds  

99.99% <= 9 milliseconds  

100.00% <= 12 milliseconds  

24274.27 requests per second  

2、redis-cli 

redis-cli -h localhost -p 6380 monitor 
Dump all the received requests in real time; 

监控host为localhost，端口为6380，redis的连接及读写操作 

[root@Architect redis-1.2.6]# redis-cli -h localhost -p 6380 monitor  

+OK  

+1289800615.808225 "monitor"  

+1289800615.839079 "GET" "name"  

+1289800615.853694 "PING"  

+1289800615.853783 "PING"  

+1289800615.854646 "PING"  

+1289800615.854974 "PING"  

+1289800615.857693 "PING"  

+1289800615.866862 "PING"  

+1289800615.871944 "PING"  

redis-cli -h localhost -p 6380 info 
Provide information and statistics about the server ; 

提供host为localhost，端口为6380，redis服务的统计信息 

[root@Architect redis-1.2.6]# redis-cli -h localhost -p 6380 info  

redis_version:2.0.4  

redis_git_sha1:00000000  

redis_git_dirty:0  

arch_bits:32  

multiplexing_api:epoll  

process_id:21990  

uptime_in_seconds:490580  

uptime_in_days:5  

connected_clients:103  

connected_slaves:0  

blocked_clients:0  

used_memory:4453240  

used_memory_human:4.25M  

changes_since_last_save:200  

bgsave_in_progress:0  

last_save_time:1290394640  

bgrewriteaof_in_progress:0  

total_connections_received:809  

total_commands_processed:44094018  

expired_keys:0  

hash_max_zipmap_entries:64  

hash_max_zipmap_value:512  

pubsub_channels:0  

pubsub_patterns:0  

vm_enabled:0  

role:slave  

master_host:localhost  

master_port:6379  

master_link_status:up  

master_last_io_seconds_ago:18  

db0:keys=1319,expires=0  

3、redis-stat 

redis-stat host localhost port 6380 overview 
Print general information about a Redis instance; 

实时打印出host为localhost，端口为6380，redis实例的总体信息 

[root@Architect redis-1.2.6]# redis-stat port 6380 overview  

 ------- data ------ ------------ load ----------------------------- - childs -  

 keys      used-mem  clients   requests            connections  

 1319      5.37M     103       44108021 (+44108021) 810                 

 1319      5.38M     103       44108124 (+103)     810                 

 1319      5.38M     103       44108225 (+101)     810                 

 1319      5.39M     103       44108326 (+101)     810                 

 1319      5.40M     103       44108427 (+101)     810                 

 1319      5.41M     103       44108528 (+101)     810                 

redis-stat
host localhost port 6380 overview 
Measure Redis server latency; 

输出host为localhost，端口为6380，redis服务中每个请求的响应时长 

[root@Architect redis-1.2.6]# redis-stat port 6380 latency  

1: 0.16 ms  

2: 0.11 ms  

3: 0.15 ms  

4: 0.11 ms  

5: 0.18 ms  

6: 0.14 ms