Deployments

Some notes about the deployment windows

• It is good to ask for a little more time than what you think you'll need to do all of the deployment and testing; you never know what issues will come up and slow you down.
  • Generally, we have found one hour windows to be a good size for most things.
• Deployment windows are 'pinned' to the time in San Francisco and thus the UTC time will change due to the United States observance of Daylight Savings Time as appropriate.
• SWAT deploys happen twice daily (8am and 4pm Pacific) and are for pushing out simple, quick, and low risk changes (as assessed by you, members of the SWAT team, and the Release Manager).

For detailed instructions on how to actually deploy code to the Wikimedia servers, see How to deploy code.

This page tracks planned deployments of software to the Wikimedia Foundation servers that host the various Wikimedia project wikis (Wikipedias, Wiktionaries, Wikiversities, Wikimedia Commons, etc.).

Cadence

The Wikimedia Foundation currently follows a one-week deploy cadence. This means that there is one week between updates to any one Wikimedia project site wiki (excluding urgent fixes, of course).

Scheduling

To schedule a deploy window, or if you see a potential conflict with your upcoming deployment, please e-mail Greg Grossmeier.

Inclusion criteria

See the list at Inclusion criteria for the kinds of changes that require scheduling here.

Communicating

• Every major or new feature deployment should be announced on the Wikimedia blog and/or Tech News (use the "user-notice" tag on Phabricator) and/or global on-wiki delivery. For routine and maintenance deployments, listing your change here is enough.
• Changes that are liable to affect site performance or infrastructure should be announced on the ops mailing list. This includes anything that alters caching behavior, introduces cookies, substantially increases the static asset payload, or adds new and complicated query patterns.

Near-term

Week of August 17th

• Week of:
  • nothing yet

By day

Time	Component	Deployer	Changes
Monday, August 17
15:00–16:00 UTC # 08:00–09:00 PDT	Morning SWAT (Max 8 patches)	Brad (anomie), Chad (ostriches), Tyler (thcipriani), Mark (marktraceur), or Alex (Krenair)	Kartik Mistry (kart_) [config] 231984 (deploy commands) Enable article-recommender-1 campaign in ca, en, es, fa, fr, it, sw wikis Requesting developer (irc handle) Gerrit link to backport or config change
20:00–21:00 UTC # 13:00–14:00 PDT	Services – Parsoid / OCG / Citoid / …	Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra) and Subbu (subbu)	See mw:Parsoid/Deployments, OCG/Deployments
21:00–22:00 UTC # 14:00–15:00 PDT	Collaboration team LiquidThreads->Flow and mediawiki-config	matt_flaschen	Converting final page or pages on MediaWiki.org to Flow, then merging and deploying config patches 228192 (deploy commands) and 229460 (deploy commands).
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	Roan (RoanKattouw), Chad (ostriches), or Alex (Krenair)	Requesting developer (irc handle) Gerrit link to backport or config change
Tuesday, August 18
15:00–16:00 UTC # 08:00–09:00 PDT	Morning SWAT (Max 8 patches)	Brad (anomie), Chad (ostriches), Tyler (thcipriani), Mark (marktraceur), or Alex (Krenair)	James_F [config] 232228 (deploy commands) Remove extra transcode enablings; no longer needed Requesting developer (irc handle) Gerrit link to backport or config change
17:00–18:00 UTC # 10:00–11:00 PDT	mailman planned maintenance (downtime)	RobH (robh)	Rename usergroups@ to usergroup-applications@ (slaporte) task TT108099 Education coop mailing list rename (Selsharbaty-WMF) task T107445 Rename Advocacy_Advisors@ to publicpolicy@ (slaporte) task TT109142
18:00–20:00 UTC # 11:00–13:00 PDT	MediaWiki train	Mukunda (twentyafterfour) or Greg (greg-g)	1.26 schedule group0 1.26wmf18->1.26wmf19 group1 1.26wmf18 group2 1.26wmf18 group0 to 1.26wmf19: test wikis and mediawiki.org
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	Roan (RoanKattouw), Chad (ostriches), or Alex (Krenair)	matt_flaschen [Flow] [1.26wmf18] 232383 (deploy commands) Restore 'new topic' records to the watchlist. This revealed another urgent RC issue (T109537), so doing that tonight as a followup Requesting developer (irc handle) Gerrit link to backport or config change
Wednesday, August 19
15:00–16:00 UTC # 08:00–09:00 PDT	Morning SWAT (Max 8 patches)	Brad (anomie), Chad (ostriches), Tyler (thcipriani), Mark (marktraceur), or Alex (Krenair)	Kartik Mistry (kart_) [wmf18] 232484 (deploy commands) Avoid full RC table scans in ChangeTags::updateTags() [wmf19] 232485 (deploy commands) Avoid full RC table scans in ChangeTags::updateTags() [cx] [wmf18] 232504 (deploy commands) Temporarily disable notifications [cx] [wmf19] 232505 (deploy commands) Temporarily disable notifications Alex (Krenair) [config] 118956 (deploy commands) Adjust mediawiki.org RSS whitelist to allow Wikimedia's technology blog feeds Requesting developer (irc handle) Gerrit link to backport or config change
18:00–20:00 UTC # 11:00–13:00 PDT	MediaWiki train	Mukunda (twentyafterfour) or Greg (greg-g)	1.26 schedule group0 1.26wmf19 group1 1.26wmf18->1.26wmf19 group2 1.26wmf18 group1 to 1.26wmf19 All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, and a few other sites)
20:00–21:00 UTC # 13:00–14:00 PDT	Services – Parsoid / OCG / Citoid / …	Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra) and Subbu (subbu)	See mw:Parsoid/Deployments, OCG/Deployments
21:00–22:00 UTC # 14:00–15:00 PDT	Labs network upgrades	Andrew (andrewbogott), Chase (chasemp)	Labs network host moved from labnet1001 to labnet1002; possible labs network interruptions.
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	Roan (RoanKattouw), Chad (ostriches), RobM (rmoen), or Alex (Krenair)	matt_flaschen [Flow] [1.26wmf18] 232567 (deploy commands) Add debugging code to detect and workaround type hint failure brion [TimedMediaHandler] [1.26wmf19] 232649 (deploy commands) Undo a regression from change to video transcode settings Requesting developer (irc handle) Gerrit link to backport or config change
Thursday, August 20
00:00–01:00 UTC # (Wed) 17:00–18:00 PDT	Phabricator update	Mukunda (twentyafterfour)	HOLD: Window to update phabricator.wikimedia.org
15:00–16:00 UTC # 08:00–09:00 PDT	Morning SWAT (Max 8 patches)	Brad (anomie), Chad (ostriches), Tyler (thcipriani), Mark (marktraceur), or Alex (Krenair)	James_F [config] 231464 (deploy commands) Enable VisualEditor for 50% of new accounts on enwiki kart_ [cx] [wmf18] 232687 (deploy commands) Revert "Temporarily disable notifications" [cx] [wmf19] 232688 (deploy commands) Revert "Temporarily disable notifications" [cx] [wmf18] 232729 (deploy commands) Validate the references when restored from draft [cx] [wmf19] 232730 (deploy commands) Validate the references when restored from draft Alex (Krenair) [config] 206480 (deploy commands) Enable RandomRootPage everywhere Requesting developer (irc handle) Gerrit link to backport or config change
16:00–17:00 UTC # 09:00–10:00 PDT	Puppet SWAT (Max 8 patches)	YuviPanda, Giuseppe (_joe_)	Requesting developer (irc handle) Gerrit link to backport or config change Alex M (Krenair) 223365 (deploy commands) sql command: use slave server unless '--write' provided as an option before DB 231976 (deploy commands) Include /api/ rewrite on wikimediafoundation.org 232087 (deploy commands) Copy rest of tin's domain_search to terbium 232674 (deploy commands) Remove link to old static.wikipedia.org from dumps download page bd808 231049 (deploy commands) set auto_create_index for beta logstash 231179 (deploy commands) beta: Disable authentication for Kibana 231583 (deploy commands) beta: copy prod bits apache config Chad (ostriches) 197655 (deploy commands) Move web::sites to web::prod_sites; begin unification in new class
18:00–20:00 UTC # 11:00–13:00 PDT	MediaWiki train	Mukunda (twentyafterfour) or Greg (greg-g)	1.26 schedule group0 1.26wmf19 group1 1.26wmf19 group2 1.26wmf18->1.26wmf19 group2 to 1.26wmf19 All Wikipedias
20:00–21:00 UTC # 13:00–14:00 PDT	Parsoid	C.Scott (cscott) and Arlo (arlolra)	See mw:Parsoid/Deployments Not-our-usual-schedule deploy to fix a minor crasher (1/hr)
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	Roan (RoanKattouw), Chad (ostriches), RobM (rmoen), or Alex (Krenair)	Requesting developer (irc handle) Gerrit link to backport or config change jdlrobson https://gerrit.wikimedia.org/r/232782 - config change matt_flaschen [LiquidThreads] [1.26wmf19] Remove new messages notice from watchlist 232783 (deploy commands) [config] Set wgFlowMigrateReferenceWiki to true to start ref_src_wiki population 232671 (deploy commands) [config] Note that people should not add new wmgFlowOccupyPages (comment-only) 232854 (deploy commands) ebernharson [config] 232055 (deploy commands) update active cirrussearch user test

Week of August 24th

• Week of:
  • nothing yet

By day

Time	Component	Deployer	Changes
Monday, August 24
15:00–16:00 UTC # 08:00–09:00 PDT	Morning SWAT (Max 8 patches)	Brad (anomie), Chad (ostriches), Tyler (thcipriani), Mark (marktraceur), or Alex (Krenair)	Requesting developer (irc handle) Gerrit link to backport or config change
20:00–21:00 UTC # 13:00–14:00 PDT	Services – Parsoid / OCG / Citoid / …	Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra) and Subbu (subbu)	See mw:Parsoid/Deployments, OCG/Deployments
21:00–23:00 UTC # 14:00–16:00 PDT	OAuth	Gergo (tgr)	Migrate OAuth data from mediawikiwiki to metawiki, phab:T108648
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	Roan (RoanKattouw), Chad (ostriches), or Alex (Krenair)	Requesting developer (irc handle) Gerrit link to backport or config change
Tuesday, August 25
12:00–13:00 UTC # 05:00–06:00 PDT	Wikidata	aude	* enable arbitrary access for enwiki + s2 wikis (bgwiki, eowiki, fiwiki, idwiki, nowiki, plwiki, ptwiki, svwiki, thwiki, trwiki, zhwiki) - August 25 phab:T100788
15:00–16:00 UTC # 08:00–09:00 PDT	Morning SWAT (Max 8 patches)	Brad (anomie), Chad (ostriches), Tyler (thcipriani), Mark (marktraceur), or Alex (Krenair)	Requesting developer (irc handle) Gerrit link to backport or config change
18:00–20:00 UTC # 11:00–13:00 PDT	MediaWiki train	Mukunda (twentyafterfour) or Greg (greg-g)	1.26 schedule group0 1.26wmf19->1.26wmf20 group1 1.26wmf19 group2 1.26wmf19 group0 to 1.26wmf20: test wikis and mediawiki.org
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	Roan (RoanKattouw), Chad (ostriches), or Alex (Krenair)	Requesting developer (irc handle) Gerrit link to backport or config change
Wednesday, August 26
15:00–16:00 UTC # 08:00–09:00 PDT	Morning SWAT (Max 8 patches)	Brad (anomie), Chad (ostriches), Tyler (thcipriani), Mark (marktraceur), or Alex (Krenair)	Requesting developer (irc handle) Gerrit link to backport or config change
16:00–18:00 UTC # 09:00–11:00 PDT	Labs OpenStack upgrade	Andrew Bogott (andrewbogott)	Upgrade of the Labs Openstack install from Icehouse to Juno
18:00–20:00 UTC # 11:00–13:00 PDT	MediaWiki train	Mukunda (twentyafterfour) or Greg (greg-g)	1.26 schedule group0 1.26wmf20 group1 1.26wmf19->1.26wmf20 group2 1.26wmf19 group1 to 1.26wmf20 All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, and a few other sites)
20:00–21:00 UTC # 13:00–14:00 PDT	Services – Parsoid / OCG / Citoid / …	Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra) and Subbu (subbu)	See mw:Parsoid/Deployments, OCG/Deployments
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	Roan (RoanKattouw), Chad (ostriches), RobM (rmoen), or Alex (Krenair)	Requesting developer (irc handle) Gerrit link to backport or config change
Thursday, August 27
00:00–01:00 UTC # (Wed) 17:00–18:00 PDT	Phabricator update	Mukunda (twentyafterfour)	HOLD: Window to update phabricator.wikimedia.org
15:00–16:00 UTC # 08:00–09:00 PDT	Morning SWAT (Max 8 patches)	Brad (anomie), Chad (ostriches), Tyler (thcipriani), Mark (marktraceur), or Alex (Krenair)	Requesting developer (irc handle) Gerrit link to backport or config change
18:00–20:00 UTC # 11:00–13:00 PDT	MediaWiki train	Mukunda (twentyafterfour) or Greg (greg-g)	1.26 schedule group0 1.26wmf20 group1 1.26wmf20 group2 1.26wmf19->1.26wmf20 group2 to 1.26wmf20 All Wikipedias
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	Roan (RoanKattouw), Chad (ostriches), RobM (rmoen), or Alex (Krenair)	Requesting developer (irc handle) Gerrit link to backport or config change

Upcoming

See the Phabricator Roadmap workboard for details on many upcoming plans.

Long term callouts

August

• No Date: Deploy Sentry (JavaScript error logging) to production, configured to log only UploadWizard - phab:T91649

September

• No date yet: 231465 (deploy commands) Enable VisualEditor for all new accounts on enwiki task T90664
• September 15: revert phabricator:rOMWC9f1f2e563a79037908a6b6e433b7d9495152a5c0
• No Date: Re-enable VisualEditor by default for all logged-out users of the English Wikipedia - phab:T90663

Not scheduled yet

• Enable Wikibase usage tracking + arbitrary access, in staged roll out to clients. phab:T49930
  • deploy to commons, as well as Wikibooks and Wikinews when they get data access.

Deployment trains

• mw:MediaWiki 1.26/Roadmap
• mw:Wikidata deployment

Recently completed

For older deployments, please see the /Archive.