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data-mw-deduplicate="TemplateStyles:r2199613">.mw-parser-output .tpl-badge{background-color:var(--background-color-progressive-subtle,#eaf3ff);color:var(--color-base,#202122);border-radius:10px;display:inline-block;font-size:90%;padding:5px 8px}</style><div class="tpl-badge"><a href="/wiki/Phabricator" title="Phabricator">Phabricator</a> project: <a href="https://phabricator.wikimedia.org/tag/train_deployments/" class="extiw" title="phab:tag/train deployments/"><b>#train deployments</b></a></div></div></div></div> </div> <div id="siteSub" class="noprint">From Wikitech</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><div class="subpages">< <bdi dir="ltr"><a href="/wiki/Deployments" title="Deployments">Deployments</a></bdi></div></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r2241375">.mw-parser-output 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(min-width:720px){.mw-parser-output .tpl-navsidebar{float:none;clear:both;margin:.5em 0;max-width:none}}</style><div role="navigation" class="navigation-not-searchable tpl-navsidebar" style=""><p class="tpl-navsidebar-title">Deployments</p><div class="tpl-navsidebar-contents"><div class="tpl-navsidebar-content"> <div class="deploycal-jump"><span class="mw-ui-button"><a href="/wiki/Deployments#!/deploycal/current" title="Deployments">Jump to current event</a></span></div> <ul><li><a href="/wiki/Deployments" title="Deployments">Deployment calendar</a> <ul><li><a href="/wiki/Deployments/Yearly_calendar" title="Deployments/Yearly calendar">Long-term calendar</a></li> <li><a href="https://www.mediawiki.org/wiki/MediaWiki_1.44/Roadmap" class="extiw" title="mw:MediaWiki 1.44/Roadmap">1.44 Roadmap</a></li> <li><a class="mw-selflink selflink">Train overview</a></li> <li><a href="/wiki/Deployments/Archive" title="Deployments/Archive">Archive</a></li></ul></li> <li><a href="/wiki/Deployments/Blocking_tasks" title="Deployments/Blocking tasks">Blocking tasks</a> (<a class="external text" href="https://train-blockers.toolforge.org">Current task</a>)</li> <li><a href="/wiki/MediaWiki_Engineering/Guides/Monitor_production_errors" title="MediaWiki Engineering/Guides/Monitor production errors">How to monitor errors</a></li> <li><a href="/wiki/Deployments/Holding_the_train" title="Deployments/Holding the train">Holding the train</a></li> <li><a href="/wiki/Deployments/Emergencies#step-by-step" title="Deployments/Emergencies">🚨 Emergencies</a></li> <li><a href="/wiki/How_to_deploy_code" title="How to deploy code">How to deploy code</a> <ul><li><a href="/wiki/Heterogeneous_deployment" title="Heterogeneous deployment">Heterogeneous deployment</a></li> <li><a href="/wiki/Heterogeneous_deployment/Train_deploys" title="Heterogeneous deployment/Train deploys">Train deploys</a></li></ul></li> <li><a href="/wiki/Backport_windows" title="Backport windows">Backport windows</a> <ul><li><a href="/wiki/Backport_windows/Deployers" title="Backport windows/Deployers">How to deploy backports</a></li></ul></li> <li>Backport vs Train vs Special Window <ul><li><a href="/wiki/Deployments/Train_vs_backport" title="Deployments/Train vs backport">Train vs Backport</a></li> <li><a href="/wiki/Deployments/Inclusion_criteria" title="Deployments/Inclusion criteria">Special Windows</a></li> <li><a href="/wiki/Backport_windows#Guidelines" title="Backport windows">Backport windows</a></li></ul></li> <li><a href="/wiki/Deployments/Risky_change_template" title="Deployments/Risky change template">Risky change notification</a></li></ul> </div></div><p class="tpl-navsidebar-foot">[<span class="noprint plainlinks"><a class="external text" href="https://wikitech.wikimedia.org/w/index.php?title=Template:Navigation_MediaWiki_deployment&action=edit"><span title="Edit this template">edit</span></a></span>]</p></div> <p>The <b>Deployment Train</b> is a weekly process led by the <a href="https://www.mediawiki.org/wiki/Wikimedia_Release_Engineering_Team" class="extiw" title="mediawikiwiki:Wikimedia Release Engineering Team">Release Engineering Team</a>, to deploy the latest alpha version of <a href="/wiki/MediaWiki_at_WMF" title="MediaWiki at WMF">MediaWiki at WMF</a> to production. </p><p>Typical numbers as of September 2021: </p> <ul><li>198 code repositories (mediawiki/core, mediawiki/vendor, 188 MW extensions, and 8 MW skins).</li> <li>978 wikis.</li> <li>between 150 and 1000 patches since the last train.</li></ul> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Current_week" data-mw-thread-id="h-Current_week"><span data-mw-comment-start="" id="h-Current_week"></span>Current week<span data-mw-comment-end="h-Current_week"></span></h2></div> <ul><li>Find the currently deployed branch/version of a wiki at <a class="external free" href="https://versions.toolforge.org/">https://versions.toolforge.org/</a></li> <li>Train blocker task: <a class="external free" href="https://train-blockers.toolforge.org/">https://train-blockers.toolforge.org/</a></li> <li>Change logs for WMF releases: <a class="external free" href="https://www.mediawiki.org/wiki/Category:WMF_Releases">https://www.mediawiki.org/wiki/Category:WMF_Releases</a></li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Schedule" data-mw-thread-id="h-Schedule"><span data-mw-comment-start="" id="h-Schedule"></span>Schedule<span data-mw-comment-end="h-Schedule"></span></h2></div> <p><i>See also <a href="https://www.mediawiki.org/wiki/MediaWiki_1.44/Roadmap" class="extiw" title="mw:MediaWiki 1.44/Roadmap">MediaWiki 1.44/Roadmap</a> on mediawiki.org</i> </p><p>NOTE: The mention of Tuesday, Wednesday and Thursday in the diagram are for the following week, not the week the patch was merged in. So, after 10 mins of the patch merged, it goes live on beta for people to test things and make sure to catch bugs in case there are any. </p><p> Assuming everything goes well, the changes that got merged during a particular week only ride the train the week after fron Tuesday to group0, Wednesday to group1 and Thursday to group2.</p><figure class="mw-halign-none" typeof="mw:File/Thumb"><a href="/wiki/File:Deployment_train_diagram.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Deployment_train_diagram.png/546px-Deployment_train_diagram.png" decoding="async" width="546" height="267" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Deployment_train_diagram.png/819px-Deployment_train_diagram.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3d/Deployment_train_diagram.png/1092px-Deployment_train_diagram.png 2x" data-file-width="1106" data-file-height="541"/></a><figcaption>Deployment train diagram.</figcaption></figure> <table class="wikitable"> <tbody><tr> <th>Sunday </th> <th>Monday </th> <th>Tuesday </th> <th>Wednesday </th> <th>Thursday </th> <th>Friday </th> <th>Saturday </th></tr> <tr> <td> </td> <td> </td> <td>Deploy to group 0 </td> <td>Deploy to group 1 </td> <td>Deploy to group 2 </td> <td> </td> <td> </td></tr></tbody></table> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Groups" data-mw-thread-id="h-Groups"><span data-mw-comment-start="" id="h-Groups"></span>Groups<span data-mw-comment-end="h-Groups"></span></h2></div> <div class="mw-heading mw-heading3"><h3 id="Tuesday" data-mw-thread-id="h-Tuesday-Groups"><span data-mw-comment-start="" id="h-Tuesday-Groups"></span>Tuesday<span data-mw-comment-end="h-Tuesday-Groups"></span></h3></div> <p>Each Tuesday a Release Engineering team member cuts a new branch of all 198 repositories in a Wikimedia Production deployment. The branch is always prefixed with <code>wmf/</code> and then a version number. For example: <code>wmf/1.40.0-wmf.1</code>. </p><p>The train conductor deploys that to <b>Group0</b> wikis (see <span class="plainlinks"><a class="external text" href="https://noc.wikimedia.org/conf/highlight.php?file=dblists%2Fgroup0.dblist">dblists/group0.dblist</a></span>). This group includes: </p> <ul><li><a class="external text" href="https://www.mediawiki.org/">www.mediawiki.org</a> (<code>mediawikiwiki</code>)</li> <li><a class="external text" href="https://test.wikipedia.org/">test.wikipedia.org</a> (<code>testwiki</code>)</li> <li><a class="external text" href="https://test.wikidata.org/">test.wikidata.org</a> (<code>testwikidatawiki</code>)</li> <li><a class="external text" href="https://office.wikimedia.org/">office.wikimedia.org</a> (<code>officewiki</code>)</li> <li>all closed wikis</li></ul> <div class="mw-heading mw-heading3"><h3 id="Wednesday" data-mw-thread-id="h-Wednesday-Groups"><span data-mw-comment-start="" id="h-Wednesday-Groups"></span>Wednesday<span data-mw-comment-end="h-Wednesday-Groups"></span></h3></div> <p>On Wednesday Release Engineering leads a log triage session to find and file any new errors. </p><p>Following the log triage, the train conductor for the week makes a go/no-go decision to deploy to Group1 wikis. </p><p><b>Group1</b> is non-Wikipedias, see <span class="plainlinks"><a class="external text" href="https://noc.wikimedia.org/conf/highlight.php?file=dblists%2Fgroup1.dblist">dblists/group1.dblist</a></span>. </p><p>Group1 includes: </p> <ul><li><a class="external text" href="https://www.wikidata.org">www.wikidata.org</a> (<code>wikidatawiki</code>)</li> <li><a class="external text" href="https://wiktionary.org">*.wiktionary.org</a> (all Wiktionary sites)</li> <li><a class="external text" href="https://wikisource.org">*.wikisource.org</a> (all Wikisource sites)</li> <li><a class="external text" href="https://wikinews.org">*.wikinews.org</a> (all Wikinews sites)</li> <li><a class="external text" href="https://wikibooks.org">*.wikibooks.org</a> (all Wikibooks sites)</li> <li><a class="external text" href="https://wikiquote.org">*.wikiquote.org</a> (all Wikiquote sites)</li> <li><a class="external text" href="https://wikivoyage.org">*.wikivoyage.org</a> (all Wikivoyage sites)</li> <li><a class="external text" href="https://wikiversity.org">*.wikiversity.org</a> (all Wikiversity sites)</li> <li><a class="external text" href="https://commons.wikimedia.org">commons.wikimedia.org</a> (Wikimedia Commons)</li> <li><a class="external text" href="https://meta.wikimedia.org">meta.wikimedia.org</a> (Meta-Wiki)</li> <li><a class="external text" href="https://incubator.wikimedia.org">incubator.wikimedia.org</a> (Incubator)</li> <li><a class="external text" href="https://ca.wikipedia.org">ca.wikipedia.org</a> (Catalan Wikipedia)</li> <li><a class="external text" href="https://he.wikipedia.org">he.wikipedia.org</a> (Hebrew Wikipedia)</li> <li><a class="external text" href="https://it.wikipedia.org">it.wikipedia.org</a> (Italian Wikipedia)</li> <li><a class="external text" href="https://test2.wikipedia.org/">test2.wikipedia.org</a> (<code>test2wiki</code>)</li> <li><a class="external text" href="https://www.wikifunctions.org/">wikifunctions.org</a> (<code>wikifunctionswiki</code>)</li> <li><i>and others…</i></li></ul> <div class="mw-heading mw-heading3"><h3 id="Thursday" data-mw-thread-id="h-Thursday-Groups"><span data-mw-comment-start="" id="h-Thursday-Groups"></span>Thursday<span data-mw-comment-end="h-Thursday-Groups"></span></h3></div> <p>If no blockers are found, the train conductor pushes code to all other Wikipedias, see <span class="plainlinks"><a class="external text" href="https://noc.wikimedia.org/conf/highlight.php?file=dblists%2Fgroup2.dblist">dblists/group2.dblist</a></span>. </p><p><b>Group2</b> includes <a class="external text" href="https://en.wikipedia.org">en.wikipedia.org</a> (English Wikipedia). </p>    </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://wikitech.wikimedia.org/w/index.php?title=Deployments/Train&oldid=2214003">https://wikitech.wikimedia.org/w/index.php?title=Deployments/Train&oldid=2214003</a>"</div></div> <div id="catlinks" class="catlinks catlinks-allhidden" data-mw="interface"></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 12 August 2024, at 11:32.</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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