Memcached is free & open source, high-performance, distributed memory object caching system, generic in nature, but intended for use in speeding up dynamic web applications by alleviating database load. Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering. In this documentation I will show how to install memcached using yum package manager with Atomicorp repository.

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Install the latest Atomicorp repository from http://www6.atomicorp.com/channels/atomic/centos/6/x86_64/RPMS/

sudo rpm -Uvh atomic-release*rpm

Then install memcached

sudo yum install memcached

Reference: http://pkgs.org/centos-6/atomic-x86_64/memcached-1.4.22-4.el6.art.x86_64.rpm.html