Table of Contents
1. memcached简介
2. memcache扩展
3. memcached扩展
3. 使用哪个扩展
4. 具体对比不同点
Home Backend Development PHP Tutorial PHP扩展memcache与memcached的差别

PHP扩展memcache与memcached的差别

Jun 13, 2016 am 11:54 AM
memcache memcached php quot

PHP扩展memcache与memcached的区别

1. memcached简介


memcached是高性能,分布式的内存对象缓存系统。

PHP操作memcached服务有两个扩展 memcache 和 memcached。


2. memcache扩展


memcache扩展支持面向对象和面向过程两种接口。

它的函数受php.ini影响,所以必须在php.ini配置文件中设置。

该扩展出现时间较早(2004年)。

php.ini配置:

[memcache]extension = memcache.somemcache.allow_failover = "0"memcache.hash_strategy = "consistent"memcache.default_timeout_ms = 100
Copy after login


3. memcached扩展


此扩展使用了libmemcached库提供的api与memcached服务端进行交互。

所以安装时需要先安装libmemcached库。

memcached扩展只支持面向对象的接口。

安装时不需要在php.ini中配置,只引入 extension即可。

该扩展出现时间较晚(2009年)。

memcached功能比memcache更全,支持的函数更多。


3. 使用哪个扩展


推荐使用memcached扩展。

memcached功能更全一点。


4. 具体对比不同点


下面一张表对比具体的不同点,地址:

https://code.google.com/p/memcached/wiki/PHPClientComparison




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