redis常用命令小结

这篇文章主要介绍了redis的一些常用命令,需要的朋友可以参考下

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

1. [root@Architect redis-1.2.6]# redis-benchmark -h localhost -p 6379 -c 100 -n 100000 
2. ====== PING ====== 
3. 10001 requests completed in 0.41 seconds 
4. 50 parallel clients 
5. 3 bytes payload 
6. keep alive: 1 
7.  
8. 0.01% <= 0 milliseconds 
9. 23.09% <= 1 milliseconds 
10. 85.82% <= 2 milliseconds 
11. 95.60% <= 3 milliseconds 
12. 97.20% <= 4 milliseconds 
13. 97.96% <= 5 milliseconds 
14. 98.83% <= 6 milliseconds 
15. 99.41% <= 7 milliseconds 
16. 99.70% <= 8 milliseconds 
17. 99.99% <= 9 milliseconds 
18. 100.00% <= 12 milliseconds 
19. 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

1. [root@Architect redis-1.2.6]# redis-cli -h localhost -p 6380 monitor 
2. +OK 
3. +1289800615.808225 "monitor" 
4. +1289800615.839079 "GET" "name" 
5. +1289800615.853694 "PING" 
6. +1289800615.853783 "PING" 
7. +1289800615.854646 "PING" 
8. +1289800615.854974 "PING" 
9. +1289800615.857693 "PING" 
10. +1289800615.866862 "PING" 
11. +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

1. [root@Architect redis-1.2.6]# redis-cli -h localhost -p 6380 info 
2. redis_version:2.0.4 
3. redis_git_sha1:00000000 
4. redis_git_dirty:0 
5. arch_bits:32 
6. multiplexing_api:epoll 
7. process_id:21990 
8. uptime_in_seconds:490580 
9. uptime_in_days:5 
10. connected_clients:103 
11. connected_slaves:0 
12. blocked_clients:0 
13. used_memory:4453240 
14. used_memory_human:4.25M 
15. changes_since_last_save:200 
16. bgsave_in_progress:0 
17. last_save_time:1290394640 
18. bgrewriteaof_in_progress:0 
19. total_connections_received:809 
20. total_commands_processed:44094018 
21. expired_keys:0 
22. hash_max_zipmap_entries:64 
23. hash_max_zipmap_value:512 
24. pubsub_channels:0 
25. pubsub_patterns:0 
26. vm_enabled:0 
27. role:slave 
28. master_host:localhost 
29. master_port:6379 
30. master_link_status:up 
31. master_last_io_seconds_ago:18 
32. 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

1. [root@Architect redis-1.2.6]# redis-stat port 6380 overview 
2. ------- data ------ ------------ load ----------------------------- - childs - 
3. keys used-mem clients requests connections 
4. 1319 5.37M 103 44108021 (+44108021) 810  
5. 1319 5.38M 103 44108124 (+103) 810  
6. 1319 5.38M 103 44108225 (+101) 810  
7. 1319 5.39M 103 44108326 (+101) 810  
8. 1319 5.40M 103 44108427 (+101) 810  
9. 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

1. [root@Architect redis-1.2.6]# redis-stat port 6380 latency 
2. 1: 0.16 ms 
3. 2: 0.11 ms 
4. 3: 0.15 ms 
5. 4: 0.11 ms 
6. 5: 0.18 ms 
7. 6: 0.14 ms