Clusters

Wikimedia infrastructure
	Data centres and PoPs Eqiad cluster‎ (Virginia, US); Codfw cluster‎ (Texas, US); Esams cluster‎ (Amsterdam, NL); Ulsfo cluster‎ (California, US); Networking HTTP Caching Wiki Media Logs

These are the current (and former) clusters used by the Wikimedia Foundation, grouped by colocation facilities.

Map of Wikimedia Foundation clusters

eqiad

codfw

ulsfo

esams

Present

Cluster	Location	Usage	Since
Codfw cluster‎	Carrollton, Texas (United States)	Application services	2014
eqdfw	Dallas, Texas (United States)	Networking	2015^[1]^[2]
Ulsfo cluster‎	San Francisco (United States)	Caching	2014^[3]
eqord	Chicago, Illinois (United States)	Networking	2015^[1]^[2]
Eqiad cluster‎	Ashburn, Virginia (United States)	Application services	2010
Esams cluster‎	Amsterdam (Netherlands)	Caching	2006?
Knams cluster	Amsterdam (Netherlands)	Networking (for esams)	2006?

Cluster	Location	Usage	Years
Pmtpa cluster‎	Tampa, Florida (United States)	Application services	2004 – 2014
Lopar cluster‎	Paris (France)	Caching	2005 – 2008?
Yaseo cluster	Seoul (South Korea)	zhwiki and kowiki	2005 – 2009^[4]^[5]
San Diego "cluster"	San Diego (United States)	Database and webserver	2001 – 2004

↑ ^1.0 ^1.1 WMF Infrastructure Quarterly Review 2015 FQ1, page 66 "TechOps - Appendix", 15 October 2015
↑ ^2.0 ^2.1 T91077 EQDFW/EQORD Deployment, Wikimedia Phabricator, 27 February 2015
↑ "ULSFO going online", Deployments calendar, Week of 3 February 2014.
↑ Start unknown. Oldest mention in Server admin log, 10 September 2010.
↑ "Decommissioned all yaseo servers", Server admin log, 23 July 2009.