Install Memcached for PHP on OS X


Memcached is a general-purpose distributed memory caching system. It is often used to speed up dynamic database-driven websites by caching data and objects in RAM to reduce the number of times an external data source (such as a database or API) must be read.

Memcached is free and open-source software, subject to the terms of the Revised BSD license. Memcached runs on Unix-like (at least Linux and OS X) and on Microsoft Windows. To build it use Autoconf, Automake, GNU build system and libevent.

Memcached's APIs provide a giant hash table distributed across multiple machines. When the table is full, subsequent inserts cause older data to be purged in least recently used (LRU) order. Applications using Memcached typically layer requests and additions into RAM before falling back on a slower backing store, such as a database.

The size of this hash table is often giant. It is limited by available memory across a large number of servers in a data centre. Where high volume, wide audience web publishing requires it, this may stretch to many GB. Memcached can be equally valuable for situations where either the number of requests for content is high, or the cost of generating a particular piece of content is high.

Memcached was originally developed by Danga Interactive for LiveJournal, but is now used by many other systems, including MocoSpace, YouTube, Reddit, Zynga, Facebook, Orange, Twitter, Tumblr and Wikipedia. Engine Yard and Jelastic are using Memcached as part of their platform as a service technology stack and Heroku offers several Memcached services as part of their platform as a service. Google App Engine, AppScale, Microsoft Azure and Amazon Web Services also offer a Memcached service through an API.

Official Website

Install via Homebrew

$ brew install memcached
$ brew install libmemcached
$ brew install php55-memcached
$ memcached -d # Run memcached as a daemon
$ sudo apachectl restart # Restart Apache Service
Install Memcached for PHP on OS X
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