Is a general-purpose distributed memory caching system that was originally developed by for LiveJournal, but is now used by many other sites. 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 runs on Unix, Linux, Windows and Mac OS X and is distributed under a permissive free software license. 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 system is used by sites including YouTube, Reddit, Zynga, Facebook, Orange, Twitter and Wikipedia. Engine Yard is using Memcached as the part of their platform as a service technology stack and Heroku offers a managed Memcached service built on Couchbase Server as part of their platform as a service. Google App Engine, AppScale, Windows Azure and Amazon Web Services also offer a Memcached service through an API. Install Memcached daemon: The Memcached software doesn’t exist in the standard CentOS repository. You can download from repository. Update the repositories: yum update -y.

Download memcached 1.4.4-14 from (note that later versions of memcached have been modifed and DO NOT work as windows services). Unzip to a folder on your computer (say d: memcached) Open an ADMINISTRATOR command window, and navigate to the memcached folder: Typing “memcached –h” will display all the available options 1. Install memcached service on your system by typing memcached. Zeiss Atlas 995 Manual Lymphatic Drainage. Download Free Elektor July 2012 Pdf. exe –d install 2. Tell memcached to start memcached.exe –d start You are done. When you view your taskmanager, you will notice memcached service running: This service is setup to autostart with windows so you will not need to repeat the above.