[文章作者:张宴 本文版本:v1.0 最后修改:2008.11.30 转载请注明原文链接:http://blog.zyan.cc/post/384/]

  首先,需要了解Memcached协议,如果不清楚可参考《Memcached 协议中英文对照》。

  1、数据存储(假设key为zhangyan,value为12345)
printf "set zhangyan 0 0 5\r\n12345\r\n" | nc 127.0.0.1 11211
 STORED

  2、数据取回(假设key为zhangyan)
printf "get zhangyan\r\n" | nc 127.0.0.1 11211
 VALUE zhangyan 0 5
 12345
 END


  3、数值增加1(假设key为zhangyan,并且value为正整数)
printf "incr zhangyan 1\r\n" | nc 127.0.0.1 11211
 12346

  4、数值减少3(假设key为zhangyan,并且value为正整数)
printf "decr zhangyan 3\r\n" | nc 127.0.0.1 11211
 12343

  5、数据删除(假设key为zhangyan)
printf "delete zhangyan\r\n" | nc 127.0.0.1 11211
 DELETED

  6、查看Memcached状态
printf "stats\r\n" | nc 127.0.0.1 11211
 STAT pid 3025
 STAT uptime 4120500
 STAT time 1228021767
 STAT version 1.2.6
 STAT pointer_size 32
 STAT rusage_user 433.463103
 STAT rusage_system 1224.515845
 STAT curr_items 1132460
 STAT total_items 8980260
 STAT bytes 1895325386
 STAT curr_connections 252
 STAT total_connections 547850
 STAT connection_structures 1189
 STAT cmd_get 13619685
 STAT cmd_set 8980260
 STAT get_hits 6851607
 STAT get_misses 6768078
 STAT evictions 0
 STAT bytes_read 160396238246
 STAT bytes_written 260080686529
 STAT limit_maxbytes 2147483648
 STAT threads 1
 END


  7、模拟top命令,查看Memcached状态:
watch "printf 'stats\r\n' | nc 127.0.0.1 11211"

  或者
watch "echo stats | nc 127.0.0.1 11211"


技术大类 » Cache与存储 | 评论(38) | 引用(0) | 阅读(53937)
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