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memcached数据疑问

Jun 06, 2016 pm 08:26 PM
memcached php ubuntu

本人第一次用memcached作为缓存在开源平台Drupal上使用。

后台memcache statistics统计了memcached的一些数据,但是不太明白其含义,请教各位这些数据的具体含义?

<code>Uptime    v1.4.14 running 19 小时 9 分钟
PECL extension    Memcached v2.1.0
时间    星期四, 10/22/2015 - 15:15
Connections    5 open of 377,848 total
    
    
127.0.0.1:11211
Sets    0.00/s; 660,880 sets (3.03%) of 21,782,540 commands
Gets    306.17/s; 21,121,660 gets (96.97%); 19,062,527 hits (90.25%) 2,059,133 misses (9.75%)
Counters    0 increments, 0 decrements
Transferred    11.23 GB:351.96 GB (3.19% to cache)
Per-connection average    1 字节 in 55.90 gets; 31,904.58 字节 in 1.75 sets
    
    
127.0.0.1:11211
Available memory    61 MB (11.91%) of 512 MB
Evictions    407,004</code>
Copy after login
Copy after login

我的hits (90.25%)是指所有发到服务器端的请求中有90.25%的命中了吗?但是为什么打开一些页面还是很慢?其他数据都是指什么呢?

因为是使用Drupal的memcached module,都是module在控制,所以也不太清楚memcached缓存了哪些数据。

谢谢了!

回复内容:

本人第一次用memcached作为缓存在开源平台Drupal上使用。

后台memcache statistics统计了memcached的一些数据,但是不太明白其含义,请教各位这些数据的具体含义?

<code>Uptime    v1.4.14 running 19 小时 9 分钟
PECL extension    Memcached v2.1.0
时间    星期四, 10/22/2015 - 15:15
Connections    5 open of 377,848 total
    
    
127.0.0.1:11211
Sets    0.00/s; 660,880 sets (3.03%) of 21,782,540 commands
Gets    306.17/s; 21,121,660 gets (96.97%); 19,062,527 hits (90.25%) 2,059,133 misses (9.75%)
Counters    0 increments, 0 decrements
Transferred    11.23 GB:351.96 GB (3.19% to cache)
Per-connection average    1 字节 in 55.90 gets; 31,904.58 字节 in 1.75 sets
    
    
127.0.0.1:11211
Available memory    61 MB (11.91%) of 512 MB
Evictions    407,004</code>
Copy after login
Copy after login

我的hits (90.25%)是指所有发到服务器端的请求中有90.25%的命中了吗?但是为什么打开一些页面还是很慢?其他数据都是指什么呢?

因为是使用Drupal的memcached module,都是module在控制,所以也不太清楚memcached缓存了哪些数据。

谢谢了!

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