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href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//meta.m.wikimedia.org/wiki/Wikimedia_servers"> <link rel="alternate" type="application/x-wiki" title="Edit" href="/w/index.php?title=Wikimedia_servers&action=edit"> <link rel="icon" href="/static/favicon/community.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Meta (en)"> <link rel="EditURI" type="application/rsd+xml" href="//meta.wikimedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://meta.wikimedia.org/wiki/Wikimedia_servers"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/"> <link rel="alternate" type="application/atom+xml" title="Meta Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="ext-discussiontools-replytool-enabled ext-discussiontools-newtopictool-enabled ext-discussiontools-sourcemodetoolbar-enabled skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Wikimedia_servers rootpage-Wikimedia_servers skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button 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class="mw-list-item"><a href="/wiki/Special:Random" title="Load a random page [x]" accesskey="x"><span>Random page</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Help:Help" title="The place to find out"><span>Help</span></a></li><li id="n-Babel-text" class="mw-list-item"><a href="/wiki/Meta:Babel"><span>Babel</span></a></li> </ul> </div> </div> <div id="p-community" class="vector-menu mw-portlet mw-portlet-community" > <div class="vector-menu-heading"> Community </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-WikimediaResourceCenter-text" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Wikimedia_Resource_Center"><span>Wikimedia Resource Center</span></a></li><li id="n-WikimediaForum-text" class="mw-list-item"><a href="/wiki/Wikimedia_Forum"><span>Wikimedia Forum</span></a></li><li id="n-mailinglists-text" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Mailing_lists/Overview"><span>Mailing lists</span></a></li><li id="n-Requests-text" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Meta:Requests_and_proposals"><span>Requests</span></a></li><li id="n-Babylon-text" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Meta:Babylon"><span>Babylon</span></a></li><li id="n-Reports-text" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Wikimedia_Affiliates_Data_Portal"><span>Reports</span></a></li><li id="n-Research-text" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Research:Index"><span>Research</span></a></li><li id="n-planet" class="mw-list-item"><a href="//en.planet.wikimedia.org/" title="Weblog aggregator of Wikimedia-related posts"><span>Planet Wikimedia</span></a></li> </ul> </div> </div> <div id="p-beyond_the_web" class="vector-menu mw-portlet mw-portlet-beyond_the_web" > <div class="vector-menu-heading"> Beyond the Web </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-Meetup-text" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Meetup"><span>Meet Wikimedians</span></a></li><li id="n-Events-text" class="mw-list-item"><a href="/wiki/Events"><span>Events</span></a></li><li id="n-wikimedia-movement-affiliates-shortlabel" class="mw-list-item"><a href="/wiki/Special:MyLanguage/Wikimedia_movement_affiliates"><span>Movement affiliates</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Special:MyLanguage/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/metawiki.svg" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikimedia Meta-Wiki" src="/static/images/mobile/copyright/metawiki-wordmark.svg" style="width: 7.5em; height: 1.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Meta [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Meta" aria-label="Search Meta" autocapitalize="sentences" title="Search Meta [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-uls" class="mw-list-item active user-links-collapsible-item"><a data-mw="interface" href="#" class="uls-trigger cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>English</span></a> </li> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_meta.wikimedia.org&uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&returnto=Wikimedia+servers" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=Wikimedia+servers" title="You are encouraged to log in; however, it is not mandatory [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out user-links-collapsible-item" title="More options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_meta.wikimedia.org&uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=Wikimedia+servers" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=Wikimedia+servers" title="You are encouraged to log in; however, it is not mandatory [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Beginning</div> </a> </li> <li id="toc-System_architecture" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#System_architecture"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>System architecture</span> </div> </a> <button aria-controls="toc-System_architecture-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle System architecture subsection</span> </button> <ul id="toc-System_architecture-sublist" class="vector-toc-list"> <li id="toc-Network_topology" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Network_topology"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Network topology</span> </div> </a> <ul id="toc-Network_topology-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Software" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Software"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Software</span> </div> </a> <ul id="toc-Software-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Hosting" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Hosting"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Hosting</span> </div> </a> <button aria-controls="toc-Hosting-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Hosting subsection</span> </button> <ul id="toc-Hosting-sublist" class="vector-toc-list"> <li id="toc-History" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#History"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>History</span> </div> </a> <ul id="toc-History-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Status_and_monitoring" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Status_and_monitoring"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Status and monitoring</span> </div> </a> <ul id="toc-Status_and_monitoring-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Energy_use" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Energy_use"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Energy use</span> </div> </a> <ul id="toc-Energy_use-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>See also</span> </div> </a> <button aria-controls="toc-See_also-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle See also subsection</span> </button> <ul id="toc-See_also-sublist" class="vector-toc-list"> <li id="toc-More_hardware_info" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#More_hardware_info"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>More hardware info</span> </div> </a> <ul id="toc-More_hardware_info-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Admin_logs" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Admin_logs"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>Admin logs</span> </div> </a> <ul id="toc-Admin_logs-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Offsite_traffic_pages" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Offsite_traffic_pages"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.3</span> <span>Offsite traffic pages</span> </div> </a> <ul id="toc-Offsite_traffic_pages-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Historical_information" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historical_information"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Historical information</span> </div> </a> <ul id="toc-Historical_information-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Wikimedia servers</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 12 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-12" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">12 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Viquip%C3%A8dia:Servidors" title="Viquipèdia:Servidors – Catalan" lang="ca" hreflang="ca" data-title="Viquipèdia:Servidors" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Wikipedia:Server" title="Wikipedia:Server – German" lang="de" hreflang="de" data-title="Wikipedia:Server" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%92%CE%B9%CE%BA%CE%B9%CF%80%CE%B1%CE%AF%CE%B4%CE%B5%CE%B9%CE%B1:%CE%95%CE%BE%CF%85%CF%80%CE%B7%CF%81%CE%B5%CF%84%CE%B7%CF%84%CE%AD%CF%82" title="Βικιπαίδεια:Εξυπηρετητές – Greek" lang="el" hreflang="el" data-title="Βικιπαίδεια:Εξυπηρετητές" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Wikipedia:Server_status" title="Wikipedia:Server status – English" lang="en" hreflang="en" data-title="Wikipedia:Server status" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Vikipedio:Statuso_de_la_serviloj" title="Vikipedio:Statuso de la serviloj – Esperanto" lang="eo" hreflang="eo" data-title="Vikipedio:Statuso de la serviloj" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Wikipedia:Servidores" title="Wikipedia:Servidores – Spanish" lang="es" hreflang="es" data-title="Wikipedia:Servidores" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Wikip%C3%A9dia:Statut_des_serveurs" title="Wikipédia:Statut des serveurs – French" lang="fr" hreflang="fr" data-title="Wikipédia:Statut des serveurs" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8E%D5%AB%D6%84%D5%AB%D5%BA%D5%A5%D5%A4%D5%AB%D5%A1:%D5%8D%D5%A5%D6%80%D5%BE%D5%A5%D6%80" title="Վիքիպեդիա:Սերվեր – Armenian" lang="hy" hreflang="hy" data-title="Վիքիպեդիա:Սերվեր" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Wikipedia:Server" title="Wikipedia:Server – Italian" lang="it" hreflang="it" data-title="Wikipedia:Server" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Vikipedi:Sunucu_durumu" title="Vikipedi:Sunucu durumu – Turkish" lang="tr" hreflang="tr" data-title="Vikipedi:Sunucu durumu" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%92%D1%96%D0%BA%D1%96%D0%BF%D0%B5%D0%B4%D1%96%D1%8F:%D0%A1%D0%B5%D1%80%D0%B2%D0%B5%D1%80%D0%B8" title="Вікіпедія:Сервери – Ukrainian" lang="uk" hreflang="uk" data-title="Вікіпедія:Сервери" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Wikipedia:%E6%9C%8D%E5%8A%A1%E5%99%A8" title="Wikipedia:服务器 – Chinese" lang="zh" hreflang="zh" data-title="Wikipedia:服务器" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q14605822#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Wikimedia_servers" title="View the content page [c]" accesskey="c"><span>Content page</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Wikimedia_servers" rel="discussion" title="Discussion about the content page [t]" accesskey="t"><span>Discussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Wikimedia_servers"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Wikimedia_servers&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Wikimedia_servers&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> 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mw-list-item"><a href="/w/index.php?title=Wikimedia_servers&action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Wikimedia_servers" title="A list of all wiki pages that link here [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Wikimedia_servers" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Wikimedia_servers&oldid=27701885" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Wikimedia_servers&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=Wikimedia_servers&id=27701885&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fmeta.wikimedia.org%2Fwiki%2FWikimedia_servers"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fmeta.wikimedia.org%2Fwiki%2FWikimedia_servers"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Book&bookcmd=book_creator&referer=Wikimedia+servers"><span>Create a book</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Wikimedia_servers&action=show-download-screen"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Wikimedia_servers&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Wikimedia_Foundation_Servers" hreflang="en"><span>Wikimedia Commons</span></a></li><li class="wb-otherproject-link wb-otherproject-wikipedia mw-list-item"><a href="https://en.wikipedia.org/wiki/Wikipedia:Server_status" hreflang="en"><span>Wikipedia</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q14605822" title="Link to connected data repository item [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" 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data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Meta, a Wikimedia project coordination wiki</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-pt-translate-header noprint nomobile" dir="ltr" lang="en"><a href="/w/index.php?title=Special:Translate&group=page-Wikimedia+servers&action=page&filter=&action_source=translate_page" title="Special:Translate">Translate this page</a></div><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="mw-pt-languages noprint navigation-not-searchable" lang="en" dir="ltr"><div class="mw-pt-languages-label">Other languages:</div><ul class="mw-pt-languages-list"><li><a href="/wiki/Wikimedia_servers/id" class="mw-pt-progress mw-pt-progress--med" title="Peladen-peladen Wikimedia (53% translated)" lang="id" dir="ltr">Bahasa Indonesia</a></li> <li><a href="/wiki/Wikimedia_servers/de" class="mw-pt-progress mw-pt-progress--med" title="Wikimedia-Server (36% translated)" lang="de" dir="ltr">Deutsch</a></li> <li><span class="mw-pt-languages-ui mw-pt-languages-selected mw-pt-progress mw-pt-progress--complete" lang="en" dir="ltr">English</span></li> <li><a href="/wiki/Wikimedia_servers/eo" class="mw-pt-progress mw-pt-progress--med" title="Vikimediaj serviloj (27% translated)" lang="eo" dir="ltr">Esperanto</a></li> <li><a href="/wiki/Wikimedia_servers/dtp" class="mw-pt-progress mw-pt-progress--low" title="Wikimedia servers/dtp (0% translated)" lang="dtp" dir="ltr">Kadazandusun</a></li> <li><a href="/wiki/Wikimedia_servers/tl" class="mw-pt-progress mw-pt-progress--low" title="Wikimedia servers/tl (0% translated)" lang="tl" dir="ltr">Tagalog</a></li> <li><a href="/wiki/Wikimedia_servers/br" class="mw-pt-progress mw-pt-progress--low" title="Wikimedia servers/br (1% translated)" lang="br" dir="ltr">brezhoneg</a></li> <li><a href="/wiki/Wikimedia_servers/da" class="mw-pt-progress mw-pt-progress--med" title="Wikimedia servere (19% translated)" lang="da" dir="ltr">dansk</a></li> <li><a href="/wiki/Wikimedia_servers/es" class="mw-pt-progress mw-pt-progress--med" title="Servidores de Wikimedia (21% translated)" lang="es" dir="ltr">español</a></li> <li><a href="/wiki/Wikimedia_servers/fr" class="mw-pt-progress mw-pt-progress--med" title="Serveurs Wikimedia (21% translated)" lang="fr" dir="ltr">français</a></li> <li><a href="/wiki/Wikimedia_servers/hu" class="mw-pt-progress mw-pt-progress--med" title="Wikimédia szerverek (31% translated)" lang="hu" dir="ltr">magyar</a></li> <li><a href="/wiki/Wikimedia_servers/pt" class="mw-pt-progress mw-pt-progress--med" title="Wikimedia servers/pt (15% translated)" lang="pt" dir="ltr">português</a></li> <li><a href="/wiki/Wikimedia_servers/pt-br" class="mw-pt-progress mw-pt-progress--low" title="Servidores Wikimedia (7% translated)" lang="pt-BR" dir="ltr">português do Brasil</a></li> <li><a href="/wiki/Wikimedia_servers/sv" class="mw-pt-progress mw-pt-progress--low" title="Wikimedias servrar (6% translated)" lang="sv" dir="ltr">svenska</a></li> <li><a href="/wiki/Wikimedia_servers/cs" class="mw-pt-progress mw-pt-progress--low" title="Servery Wikimedie (1% translated)" lang="cs" dir="ltr">čeština</a></li> <li><a href="/wiki/Wikimedia_servers/ru" class="mw-pt-progress mw-pt-progress--low" title="Сервера Викимедиа (9% translated)" lang="ru" dir="ltr">русский</a></li> <li><a href="/wiki/Wikimedia_servers/uk" class="mw-pt-progress mw-pt-progress--low" title="Сервери Вікімедіа (1% translated)" lang="uk" dir="ltr">українська</a></li> <li><a href="/wiki/Wikimedia_servers/hi" class="mw-pt-progress mw-pt-progress--low" title="Wikimedia servers/hi (8% translated)" lang="hi" dir="ltr">हिन्दी</a></li> <li><a href="/wiki/Wikimedia_servers/bn" class="mw-pt-progress mw-pt-progress--med" title="উইকিমিডিয়া সার্ভার (18% translated)" lang="bn" dir="ltr">বাংলা</a></li> <li><a href="/wiki/Wikimedia_servers/ml" class="mw-pt-progress mw-pt-progress--med" title="വിക്കിമീഡിയ സെർവറുകൾ (21% translated)" lang="ml" dir="ltr">മലയാളം</a></li> <li><a href="/wiki/Wikimedia_servers/th" class="mw-pt-progress mw-pt-progress--low" title="Wikimedia servers/th (0% translated)" lang="th" dir="ltr">ไทย</a></li> <li><a href="/wiki/Wikimedia_servers/blk" class="mw-pt-progress mw-pt-progress--high" title="ဝီခီမီဒီယာ သာဗာဖိုင်ႏ (85% translated)" lang="blk" dir="ltr">ပအိုဝ်ႏဘာႏသာႏ</a></li> <li><a href="/wiki/Wikimedia_servers/zh" class="mw-pt-progress mw-pt-progress--high" title="维基媒体服务器 (96% translated)" lang="zh" dir="ltr">中文</a></li> <li><a href="/wiki/Wikimedia_servers/ja" class="mw-pt-progress mw-pt-progress--med" title="ウィキメディアのサーバー (46% translated)" lang="ja" dir="ltr">日本語</a></li> <li><a href="/wiki/Wikimedia_servers/nan" class="mw-pt-progress mw-pt-progress--low" title="Uikimitia ho̍k-bū-khì (12% translated)" lang="nan" dir="ltr">閩南語 / Bân-lâm-gú</a></li> <li><a href="/wiki/Wikimedia_servers/ko" class="mw-pt-progress mw-pt-progress--complete" title="위키미디어 서버 (100% translated)" lang="ko" dir="ltr">한국어</a></li></ul></div> <p><a href="/wiki/Special:MyLanguage/Wikipedia" title="Special:MyLanguage/Wikipedia">Wikipedia</a> and the other <a href="/wiki/Special:MyLanguage/Wikimedia_projects" title="Special:MyLanguage/Wikimedia projects">Wikimedia projects</a> are run from server racks located in several data centres. </p> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="System_architecture" data-mw-thread-id="h-System_architecture"><span data-mw-comment-start="" id="h-System_architecture"></span>System architecture<span data-mw-comment-end="h-System_architecture"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=1" title="Edit section: System architecture"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Wikipedia_webrequest_2022.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Wikipedia_webrequest_2022.png/400px-Wikipedia_webrequest_2022.png" decoding="async" width="400" height="497" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Wikipedia_webrequest_2022.png/600px-Wikipedia_webrequest_2022.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Wikipedia_webrequest_2022.png/800px-Wikipedia_webrequest_2022.png 2x" data-file-width="2224" data-file-height="2762"/></a><figcaption>Simplified overview of the MediaWiki software as deployed by Wikimedia Foundation (as of August 2022). Essentially a complex version of a <a href="https://en.wikipedia.org/wiki/LAMP_(software_bundle)" class="extiw" title="en:LAMP (software bundle)">LAMP "stack"</a>.</figcaption></figure> <div class="mw-heading mw-heading3"><h3 id="Network_topology" data-mw-thread-id="h-Network_topology-System_architecture"><span data-mw-comment-start="" id="h-Network_topology-System_architecture"></span>Network topology<span data-mw-comment-end="h-Network_topology-System_architecture"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=2" title="Edit section: Network topology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Wikimedia Foundation's <a href="https://en.wikipedia.org/wiki/Network_topology" class="extiw" title="en:Network topology">network topology</a> is described on the <a href="https://wikitech.wikimedia.org/wiki/Network_design" class="extiw" title="wikitech:Network design">"Network design" page on Wikitech</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Software" data-mw-thread-id="h-Software-System_architecture"><span data-mw-comment-start="" id="h-Software-System_architecture"></span>Software<span data-mw-comment-end="h-Software-System_architecture"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=3" title="Edit section: Software"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Our DNS servers run <a href="https://en.wikipedia.org/wiki/en:Comparison_of_DNS_server_software#gdnsd" class="extiw" title="w:en:Comparison of DNS server software">gdnsd</a>. We use geographical DNS to distribute requests between our seven data centers (3x US, 2x Europe, 1x Asia, 1x South America) depending on the location of the client.</li> <li>We use <a href="https://en.wikipedia.org/wiki/en:Linux_Virtual_Server" class="extiw" title="w:en:Linux Virtual Server">Linux Virtual Server</a> (LVS) on commodity servers to load balance incoming requests. LVS is also used as an internal load balancer to distribute MediaWiki requests. For back end monitoring and failover, we have our own system called <a href="https://wikitech.wikimedia.org/wiki/PyBal" class="extiw" title="wikitech:PyBal">PyBal</a>.</li> <li>For regular MediaWiki web requests (articles/API) we use <a href="https://en.wikipedia.org/wiki/en:Varnish_(software)" class="extiw" title="w:en:Varnish (software)">Varnish</a> and <a href="https://en.wikipedia.org/wiki/en:Apache_Traffic_Server" class="extiw" title="w:en:Apache Traffic Server">Apache Traffic Server</a> caching proxy servers in front of <a href="https://en.wikipedia.org/wiki/en:Apache_HTTP_Server" class="extiw" title="w:en:Apache HTTP Server">Apache HTTP Server</a>.</li> <li>All our servers run <a href="https://en.wikipedia.org/wiki/en:Debian" class="extiw" title="w:en:Debian">Debian GNU/Linux</a>.</li> <li>For distributed object storage we use <a href="https://en.wikipedia.org/wiki/en:Swift_(distributed_storage)" class="extiw" title="w:en:Swift (distributed storage)">Swift</a>.</li> <li>Our main web application is <a href="https://en.wikipedia.org/wiki/en:MediaWiki" class="extiw" title="w:en:MediaWiki">MediaWiki</a>, which is written in <a href="https://en.wikipedia.org/wiki/en:PHP" class="extiw" title="w:en:PHP">PHP</a> (~70 %) and <a href="https://en.wikipedia.org/wiki/en:JavaScript" class="extiw" title="w:en:JavaScript">JavaScript</a> (~30 %).<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li>Our structured data is stored in <a href="https://en.wikipedia.org/wiki/en:MariaDB" class="extiw" title="w:en:MariaDB">MariaDB</a> since 2013.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> We group wikis into clusters, and each cluster is served by several MariaDB servers, replicated in a single-master configuration.</li> <li>We use <a href="https://en.wikipedia.org/wiki/en:Memcached" class="extiw" title="w:en:Memcached">Memcached</a> for caching of database query and computation results.</li> <li>For full-text search we use <a href="https://en.wikipedia.org/wiki/en:Elasticsearch" class="extiw" title="w:en:Elasticsearch">Elasticsearch</a> (<a href="https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:CirrusSearch" class="extiw" title="mw:Special:MyLanguage/Extension:CirrusSearch">Extension:CirrusSearch</a>).</li> <li><a class="external free" href="https://noc.wikimedia.org/">https://noc.wikimedia.org/</a> – Wikimedia configuration files.</li></ul> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Wikimedia_Foundation_Servers_2015-90.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Wikimedia_Foundation_Servers_2015-90.jpg/350px-Wikimedia_Foundation_Servers_2015-90.jpg" decoding="async" width="350" height="233" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Wikimedia_Foundation_Servers_2015-90.jpg/525px-Wikimedia_Foundation_Servers_2015-90.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Wikimedia_Foundation_Servers_2015-90.jpg/700px-Wikimedia_Foundation_Servers_2015-90.jpg 2x" data-file-width="5760" data-file-height="3840"/></a><figcaption>Wikimedia server racks at CyrusOne</figcaption></figure> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Hosting" data-mw-thread-id="h-Hosting"><span data-mw-comment-start="" id="h-Hosting"></span>Hosting<span data-mw-comment-end="h-Hosting"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=4" title="Edit section: Hosting"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r19611965">.mw-parser-output .mw-tpl-seealso{font-style:italic;padding-bottom:0.4em;padding-left:0;margin-bottom:0.4em;margin-left:1em;color:#555;border-bottom:1px solid #ccc}</style><div class="boilerplate seealso mw-tpl-seealso">See also: <a href="https://en.wikipedia.org/wiki/Wikimedia_Foundation#Technology" class="extiw" title="w:Wikimedia Foundation">w:Wikimedia Foundation#Technology</a> and <a href="https://wikitech.wikimedia.org/wiki/Data_centers" class="extiw" title="wikitech:Data centers">wikitech:Data centers</a></div> <p>As of April 2024, we have the following colocation facilities (each name except for Magru is derived from an acronym of the facility’s company and an acronym of a nearby airport): </p> <dl><dt>eqiad</dt> <dd>Application services (primary) at <a href="https://en.wikipedia.org/wiki/en:Equinix" class="extiw" title="w:en:Equinix">Equinix</a> in <a href="https://en.wikipedia.org/wiki/en:Ashburn,_Virginia" class="extiw" title="w:en:Ashburn, Virginia">Ashburn, Virginia</a> (Washington, DC area).</dd> <dt>codfw</dt> <dd>Application services (secondary) at <a href="https://en.wikipedia.org/wiki/en:CyrusOne" class="extiw" title="w:en:CyrusOne">CyrusOne</a> in <a href="https://en.wikipedia.org/wiki/en:Carrollton,_Texas" class="extiw" title="w:en:Carrollton, Texas">Carrollton, Texas</a> (Dallas-Fort Worth area).</dd> <dt>esams</dt> <dd>Caching at <a href="https://en.wikipedia.org/wiki/en:EvoSwitch" class="extiw" title="w:en:EvoSwitch">EvoSwitch</a> in <a href="https://en.wikipedia.org/wiki/en:Amsterdam" class="extiw" title="w:en:Amsterdam">Amsterdam</a>, the <a href="https://en.wikipedia.org/wiki/en:Netherlands" class="extiw" title="w:en:Netherlands">Netherlands</a>.<sup id="cite_ref-Sep06_3-0" class="reference"><a href="#cite_note-Sep06-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></dd> <dt>ulsfo</dt> <dd>Caching at <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190524154655/https://unitedlayer.com/our-infrastructure">United Layer</a> in <a href="https://en.wikipedia.org/wiki/en:San_Francisco" class="extiw" title="w:en:San Francisco">San Francisco</a>.</dd> <dt>eqsin</dt> <dd>Caching at Equinix in <a href="https://en.wikipedia.org/wiki/en:Singapore" class="extiw" title="w:en:Singapore">Singapore</a>.</dd> <dt>drmrs</dt> <dd>Caching at <a href="https://en.wikipedia.org/wiki/en:Digital_Realty" class="extiw" title="w:en:Digital Realty">Digital Realty</a> in <a href="https://en.wikipedia.org/wiki/en:Marseille" class="extiw" title="w:en:Marseille">Marseille</a>.</dd> <dt>magru</dt> <dd>Caching in <a href="https://en.wikipedia.org/wiki/S%C3%A3o_Paulo,_Brazil" class="extiw" title="w:São Paulo, Brazil">São Paulo, Brazil</a>.</dd></dl> <div class="mw-heading mw-heading3"><h3 id="History" data-mw-thread-id="h-History-Hosting"><span data-mw-comment-start="" id="h-History-Hosting"></span>History<span data-mw-comment-end="h-History-Hosting"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=5" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The backend web and database servers are in Ashburn, with Carrollton to handle emergency fallback in the future. Carrollton was chosen for this as a result of the <a href="https://foundation.wikimedia.org/wiki/RFP/2013_Datacenter" class="extiw" title="wmf:RFP/2013 Datacenter">2013 Datacenter RfC</a>. At EvoSwitch, we have a Varnish cache cluster and several miscellaneous servers. The Kennisnet location is now used only for network access and routing. </p><p>Ashburn (<b>eqiad</b>) <a href="https://diff.wikimedia.org/2013/01/19/wikimedia-sites-move-to-primary-data-center-in-ashburn-virginia/" class="extiw" title="wmfblog:2013/01/19/wikimedia-sites-move-to-primary-data-center-in-ashburn-virginia/">became the primary data center</a> in January 2013, taking over from Tampa (<b>pmtpa</b> and <b>sdtpa</b>) which had been the main data centre since 2004. Around April 2014, sdtpa (Equinix – formerly Switch and Data – in <a href="https://en.wikipedia.org/wiki/en:Tampa,_Florida" class="extiw" title="w:en:Tampa, Florida">Tampa, Florida</a>, provided networking for pmtpa) was shut down, followed by pmtpa (Hostway – formerly PowerMedium – in Tampa, Florida) in October 2014. </p><p>In the past we've had other caching locations like Seoul (<b>yaseo</b>, Yahoo!) and Paris (<b>lopar</b>, Lost Oasis); the <a href="https://strategy.wikimedia.org/wiki/Wikimedia_Movement_Strategic_Plan_Summary/Increase_Reach" class="extiw" title="strategy:Wikimedia Movement Strategic Plan Summary/Increase Reach">WMF 2010–2015 strategic plan reach target</a> states: "additional caching centers in key locations to manage increased traffic from Latin America, Asia and the Middle East, as well as to ensure reasonable and consistent load times no matter where a reader is located." </p><p>EvoSwitch and Kennisnet are recognised as benefactors for their <a href="https://en.wikipedia.org/wiki/en:Gifts_in_kind" class="extiw" title="w:en:Gifts in kind">in-kind donations</a>. See the <a href="https://foundation.wikimedia.org/wiki/Benefactors" class="extiw" title="foundation:Benefactors">current list of benefactors</a>. </p><p>A list of servers and their functions used to be available at the <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130119062922/http://wikitech.wikimedia.org/view/Server_roles">server roles</a> page; no such list is currently maintained publicly (perhaps the private <a class="external text" href="https://racktables.wikimedia.org/">racktables tool</a> has one). It used to be possible to see a <a class="external text" href="https://icinga.wikimedia.org/cgi-bin/icinga/status.cgi?servicegroup=all&style=summary&nostatusheader">compact table of all servers grouped by type</a> on icinga, but this is <a href="https://phabricator.wikimedia.org/T62112" class="extiw" title="phab:T62112">no longer publicly available</a>. However, the <a href="https://phabricator.wikimedia.org/diffusion/OPUP/browse/production/manifests/site.pp" class="extiw" title="phab:diffusion/OPUP/browse/production/manifests/site.pp">puppet configuration</a> provides a pretty good reference for the software that each server runs. </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><span><video id="mwe_player_0" poster="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm/220px--B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm.jpg" controls="" preload="none" data-mw-tmh="" class="mw-file-element" width="220" height="124" data-durationhint="1440" data-mwtitle="B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton,_Texas_-_photographed_in_2015.webm" data-mwprovider="wikimediacommons" resource="/wiki/File:B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton,_Texas_-_photographed_in_2015.webm"><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/4e/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm.480p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="480p.vp9.webm" data-width="854" data-height="480"/><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/4e/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm.720p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="720p.vp9.webm" data-width="1280" data-height="720"/><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/4e/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm.1080p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="1080p.vp9.webm" data-width="1920" data-height="1080"/><source src="//upload.wikimedia.org/wikipedia/commons/4/4e/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm" type="video/webm; codecs="vp8, vorbis"" data-width="1920" data-height="1080"/><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/4e/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm.144p.mjpeg.mov" type="video/quicktime" data-transcodekey="144p.mjpeg.mov" data-width="256" data-height="144"/><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/4e/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm.240p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="240p.vp9.webm" data-width="426" data-height="240"/><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/4e/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm.360p.vp9.webm" type="video/webm; codecs="vp9, opus"" data-transcodekey="360p.vp9.webm" data-width="640" data-height="360"/><source src="//upload.wikimedia.org/wikipedia/commons/transcoded/4/4e/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm/B-roll_of_Wikimedia_Foundation_servers_at_CyrusOne_in_Carrollton%2C_Texas_-_photographed_in_2015.webm.360p.webm" type="video/webm; codecs="vp8, vorbis"" data-transcodekey="360p.webm" data-width="640" data-height="360"/></video></span><figcaption>B-roll of servers in Texas in 2015</figcaption></figure> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Status_and_monitoring" data-mw-thread-id="h-Status_and_monitoring"><span data-mw-comment-start="" id="h-Status_and_monitoring"></span>Status and monitoring<span data-mw-comment-end="h-Status_and_monitoring"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=6" title="Edit section: Status and monitoring"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>You can check one of the following sites if you want to know if the Wikimedia servers are overloaded, or if you just want to see how they are doing. </p> <ul><li><a rel="nofollow" class="external text" href="https://www.wikimediastatus.net/">https://www.wikimediastatus.net/</a></li> <li><a class="external text" href="https://grafana.wikimedia.org/">Grafana</a> <ul><li><s><a class="external text" href="https://grafana.wikimedia.org/dashboard/db/prometheus-dc-overview">Data center overview</a> with total bandwidth, non-idle CPU and load per group of servers; versions also exist with a <a class="external text" href="https://grafana.wikimedia.org/dashboard/db/prometheus-cluster-breakdown">per-subcluster dropdown</a> and <a class="external text" href="https://grafana.wikimedia.org/dashboard/db/prometheus-global-overview">total numbers without graphs</a></s> <i>(down in July 2019)</i> <ul><li><a class="external free" href="https://grafana.wikimedia.org/">https://grafana.wikimedia.org/</a> should get you started</li></ul></li> <li><a class="external text" href="https://grafana.wikimedia.org/d/CbNAwAXnk/filippo-blackbox-smoke-icmp">Networking latency</a></li></ul></li> <li><a class="external text" href="https://icinga.wikimedia.org/">Icinga</a> (<a href="https://phabricator.wikimedia.org/T62112" class="extiw" title="phab:T62112">private</a>)</li></ul> <p>If you are seeing errors in real time, visit <bdi dir="ltr" id="wikimedia-tech"><a href="irc://irc.libera.chat/wikimedia-tech" class="extiw" title="irc:wikimedia-tech"><bdi lang="zxx" dir="ltr" style="font-family: monospace,Courier; white-space: nowrap;">#wikimedia-tech</bdi></a><sup lang="en" dir="auto" class="plainlinks"><a rel="nofollow" class="external text" href="https://web.libera.chat/?channel=#wikimedia-tech"><span style="color: green; text-decoration: inherit; -moz-text-decoration-color: green; text-decoration-color: green;">connect</span></a></sup></bdi> on <a href="/wiki/IRC" title="IRC">irc.libera.chat</a>. Check the topic to see if someone is already looking into the problem you are having. If not, please report your problem to the channel. It would be helpful if you could report specific symptoms, including the exact text of any error messages, what you were doing right before the error, and what server(s) are generating the error, if you can tell. </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Energy_use" data-mw-thread-id="h-Energy_use"><span data-mw-comment-start="" id="h-Energy_use"></span>Energy use<span data-mw-comment-end="h-Energy_use"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=7" title="Edit section: Energy use"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In 2017, the WMF board of trustees adopted a <a href="https://foundation.wikimedia.org/wiki/Resolution:Environmental_Impact" class="extiw" title="foundation:Resolution:Environmental Impact">resolution</a> containing a commitment to minimize the Foundation's overall environmental impact, especially around data centres through using green energy. The community-led <a href="/wiki/Special:MyLanguage/Sustainability_Initiative" title="Special:MyLanguage/Sustainability Initiative">Sustainability Initiative</a>, created in 2015, aims at reducing the environmental impact of the servers by calling for renewable energy to power them. </p><p>The Wikimedia Foundation's servers are spread out in five colocation data centers in Virginia, Texas and San Francisco in the United States, Amsterdam and Marseille in Europe, and Singapore in Asia. </p><p><u>In 2021, the servers used <b>358.8 kW</b> (kilowatts), summing up to about <b>3.143 GW h</b> (gigawatt hours) of electrical energy <b>per year</b>. The total carbon footprint of the servers was <b>1,073 metric tons CO2-eq</b> in 2021.</u><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>Only the few servers in Amsterdam and in Marseille run on renewable energy, the other use different conventional energy mixes. In 2016, just <b>9%</b> of Wikimedia Foundation data centers' energy came from renewable sources, with the rest split evenly between coal, gas and nuclear power (34%, 28%, and 28%, respectively). The bulk of the Wikimedia Foundation's electricity demand is in Virginia and Texas, which have both very fossil fuel heavy grids. </p> <table class="wikitable"> <tbody><tr> <th>Server name </th> <th>Data center location </th> <th>Provider </th> <th>Date opened </th> <th>Average energy consumption (kW) </th> <th>Energy sources </th> <th>Carbon footprint (CO<sub>2</sub>/year) </th> <th>Renewable option and cost </th></tr> <tr> <td>eqiad </td> <td>Ashburn, VA <p>20146-20149 USA </p> </td> <td>Equinix (<a rel="nofollow" class="external text" href="https://www.equinix.com/">Website</a>) </td> <td>February 2011 </td> <td>May 2016: 130 <p>May 2015: 152 </p> </td> <td>2016: <br/> 32% coal <p>20% natural gas </p><p>25% nuclear </p><p>17% renewable </p> </td> <td>1,040,000 lb = 520 short tons = 470 metric tons <p><small>= 0.32 * 130 kW * 8765.76 hr/yr * 2.1 lb CO<sub>2</sub>/kWh for coal</small> </p><p><small>+ 0.20 * 130 kW * 8765.76 hr/yr * 1.22lb CO<sub>2</sub>/kWh for nat gas</small> </p><p><small>+ 0.25 * 130 kW * 8765.76 hr/yr * 0 lb CO<sub>2</sub>/kWh for nuclear</small> </p><p><small>+ 0.17 * 130 kW * 8765.76 hr/yr * 0 lb CO<sub>2</sub>/kWh for renewable</small> </p> </td> <td>In 2015, Equinix <a rel="nofollow" class="external text" href="https://obamawhitehouse.archives.gov/the-press-office/2015/11/30/white-house-announces-additional-commitments-american-business-act">made</a> "a long-term commitment to use 100 percent clean and renewable energy". In 2017, Equinix <a rel="nofollow" class="external text" href="https://www.datacenterknowledge.com/archives/2017/04/04/equinix-to-press-on-with-clean-energy-goals-after-trumps-climate-order/">renewed</a> this pledge. </td></tr> <tr> <td>codfw </td> <td>Carrollton, TX <p>75007 USA </p> </td> <td>CyrusOne (<a rel="nofollow" class="external text" href="https://www.cyrusone.com/data-centers/north-america/texas/dfw1-dallas/">Website</a>) </td> <td>May 2014 </td> <td>May 2016: 77 <p>May 2015: 70 </p> </td> <td>2016: <br/> 23% coal <p>56% natural gas </p><p>6% nuclear </p><p>1% hydro/biomass/solar/other </p><p>14% wind (Oncor/Ercot) </p> </td> <td>790,000 lb = 400 short tons = 360 metric tons <p><small>= 0.23 * 77 kW * 8765.76 hr/yr * 2.1 lb CO<sub>2</sub>/kWh for coal</small> </p><p><small>+ 0.56 * 77 kW * 8765.76 hr/yr * 1.22lb CO<sub>2</sub>/kWh for nat gas</small> </p><p><small>+ 0.06 * 77 kW * 8765.76 hr/yr * 0 lb CO<sub>2</sub>/kWh for nuclear</small> </p><p><small>+ 0.15 * 77 kW * 8765.76 hr/yr * 0 lb CO<sub>2</sub>/kWh for renewables</small> </p> </td> <td>? </td></tr> <tr> <td>esams </td> <td>Haarlem <p>2031 BE Netherlands </p> </td> <td>EvoSwitch (<a rel="nofollow" class="external text" href="https://www.evoswitch.com/">Website</a>) </td> <td>December 2008 </td> <td>May 2016: < 10 <p>May 2015: 10 </p> </td> <td>"a combination of wind power, hydro and biomass" </td> <td>0 </td> <td>n.a. </td></tr> <tr> <td>ulsfo </td> <td>San Francisco, CA <p>94124 USA </p> </td> <td>UnitedLayer (<a rel="nofollow" class="external text" href="https://unitedlayer.com/">Website</a>) </td> <td>June 2012 </td> <td>May 2016: < 5 <p>May 2015: < 5 </p> </td> <td>2016: <br/> 25% natural gas <p>23% nuclear </p><p>30% renewable </p><p>6% hydro </p><p>17% unspecified (PG&E) </p> </td> <td>13,000 lb = 6.7 short tons = 6.1 metric tons (+ unspecified) <p><small>= 0.00 * 5 kW * 8765.76 hr/yr * 2.1 lb CO<sub>2</sub>/kWh for coal</small> </p><p><small>+ 0.25 * 5 kW * 8765.76 hr/yr * 1.22lb CO<sub>2</sub>/kWh for nat gas</small> </p><p><small>+ 0.23 * 5 kW * 8765.76 hr/yr * 0 lb CO<sub>2</sub>/kWh for nuclear</small> </p><p><small>+ 0.36 * 5 kW * 8765.76 hr/yr * 0 lb CO<sub>2</sub>/kWh for hydro/renewable</small> </p><p><small>+ 0.17 * 5 kW * 8765.76 hr/yr * ? lb CO<sub>2</sub>/kWh for unspecified</small> </p> </td> <td>? </td></tr> <tr> <td>eqsin </td> <td>Singapore </td> <td>Equinix (<a rel="nofollow" class="external text" href="https://www.equinix.com/">Website</a>) </td> <td>? </td> <td>? </td> <td>? </td> <td>? </td> <td>? </td></tr> <tr> <td>drmrs </td> <td>Marseille </td> <td>Digital Realty (<a rel="nofollow" class="external text" href="https://www.digitalrealty.com/">Website</a>) </td> <td>? </td> <td>? </td> <td>? </td> <td>? </td> <td>? </td></tr></tbody></table> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="See_also" data-mw-thread-id="h-See_also"><span data-mw-comment-start="" id="h-See_also"></span>See also<span data-mw-comment-end="h-See_also"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=8" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="More_hardware_info" data-mw-thread-id="h-More_hardware_info-See_also"><span data-mw-comment-start="" id="h-More_hardware_info-See_also"></span>More hardware info<span data-mw-comment-end="h-More_hardware_info-See_also"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=9" title="Edit section: More hardware info"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="https://wikitech.wikimedia.org/wiki/Clusters" class="extiw" title="wikitech:Clusters">wikitech:Clusters</a> – technical and usually more up-to-date information on the Wikimedia clusters</li></ul> <div class="mw-heading mw-heading3"><h3 id="Admin_logs" data-mw-thread-id="h-Admin_logs-See_also"><span data-mw-comment-start="" id="h-Admin_logs-See_also"></span>Admin logs<span data-mw-comment-end="h-Admin_logs-See_also"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=10" title="Edit section: Admin logs"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="https://wikitech.wikimedia.org/wiki/Server_admin_log" class="extiw" title="wikitech:Server admin log">Server admin log</a> – Documents server changes (especially software changes)</li></ul> <div class="mw-heading mw-heading3"><h3 id="Offsite_traffic_pages" data-mw-thread-id="h-Offsite_traffic_pages-See_also"><span data-mw-comment-start="" id="h-Offsite_traffic_pages-See_also"></span>Offsite traffic pages<span data-mw-comment-end="h-Offsite_traffic_pages-See_also"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=11" title="Edit section: Offsite traffic pages"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.alexa.com/data/details/traffic_details?&range=1y&size=large&y=t&url=wikipedia.org">Alexa traffic rank</a></li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Historical_information" data-mw-thread-id="h-Historical_information"><span data-mw-comment-start="" id="h-Historical_information"></span>Historical information<span data-mw-comment-end="h-Historical_information"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=12" title="Edit section: Historical information"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Special:MyLanguage/Cache_strategy" title="Special:MyLanguage/Cache strategy">Cache strategy</a> (draft from 2006)</li> <li><a href="/wiki/Special:MyLanguage/PHP_caching_and_optimization" title="Special:MyLanguage/PHP caching and optimization">PHP caching and optimization</a> (draft from 2007)</li> <li><a href="/wiki/Special:MyLanguage/Hardware_orders_up_to_2007" title="Special:MyLanguage/Hardware orders up to 2007">Hardware orders up to 2007</a></li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="References" data-mw-thread-id="h-References"><span data-mw-comment-start="" id="h-References"></span>References<span data-mw-comment-end="h-References"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wikimedia_servers&action=edit&section=13" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text">See <a rel="nofollow" class="external text" href="https://www.openhub.net/p/mediawiki/analyses/latest/languages_summary">MediaWiki analysis</a>, <a rel="nofollow" class="external text" href="https://www.openhub.net/p/mediawiki-extensions-wmf/analyses/latest/languages_summary">MediaWiki WMF-supported extensions analysis</a>.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><cite class="citation web"><a class="external text" href="https://blog.wikimedia.org/2013/04/22/wikipedia-adopts-mariadb/">"Wikipedia Adopts MariaDB"</a> <span style="font-size:85%;">(text/html)</span>. <i>blog.wikimedia.org</i>. Wikimedia Foundation, Inc. 2013-04-22<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-07-20</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fmeta.wikimedia.org%3AWikimedia+servers&rft.btitle=Wikipedia+Adopts+MariaDB&rft.date=2013-04-22&rft.genre=book&rft.pub=Wikimedia+Foundation%2C+Inc.&rft_id=https%3A%2F%2Fblog.wikimedia.org%2F2013%2F04%2F22%2Fwikipedia-adopts-mariadb%2F&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Sep06-3"><span class="mw-cite-backlink"><a href="#cite_ref-Sep06_3-0">↑</a></span> <span class="reference-text">Suffered a major DoS attack on September 6/7, 2019. See <a href="https://wikimediafoundation.org/news/2019/09/07/malicious-attack-on-wikipedia-what-we-know-and-what-were-doing/" class="extiw" title="foundationsite:news/2019/09/07/malicious-attack-on-wikipedia-what-we-know-and-what-were-doing/">dedicated article on WMF website</a>.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><a class="external text" href="https://meta.wikimedia.org/wiki/File:Wikimedia_Foundation_Environmental_Sustainability_(Carbon_Footprint)_Report_for_2021.pdf">Wikimedia Foundation Environmental Sustainability (Carbon Footprint) Report for 2021</a></span> </li> </ol></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://meta.wikimedia.org/w/index.php?title=Wikimedia_servers&oldid=27701885">https://meta.wikimedia.org/w/index.php?title=Wikimedia_servers&oldid=27701885</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>: <ul><li><a href="/wiki/Category:Wikimedia_hardware" title="Category:Wikimedia hardware">Wikimedia hardware</a></li><li><a href="/wiki/Category:Wikimedia_servers_administration" title="Category:Wikimedia servers administration">Wikimedia servers administration</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 4 November 2024, at 05:49.</li> <li id="footer-info-copyright">Text is available under the <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-ShareAlike License</a>; additional terms may apply. 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