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Memcache简介

 1 year ago
source link: https://blog.p2hp.com/archives/11191
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什么是 Memcached?

免费开源、高性能、分布式内存对象缓存系统, 本质上是通用的，但旨在通过减轻数据库负载来加速动态 Web 应用程序d.

Memcached ( memcache )  是一种内存中的键值存储，用于缓存来自数据库调用、API 调用或页面呈现结果的任意小块数据（字符串、对象）.

Memcached简单而强大. 其简单的设计促进了快速部署、易于开发，并解决了大数据缓存面临的许多问题。其 API 适用于大多数流行语言.

function get_foo(foo_id)
    foo = memcached_get("foo:" . foo_id)
    return foo if defined foo

    foo = fetch_foo_from_database(foo_id)
    memcached_set("foo:" . foo_id, foo)
    return foo
end

使用远程登录

$ telnet localhost 11211
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
get foo
VALUE foo 0 2
hi
END
stats
STAT pid 8861
(etc)




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