Deployments

Notes:

• Ask for a little more time than what you think you'll need for deployment and testing; you never know what issues may come up and slow you down.
  • Generally, we have found one hour 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 are for pushing out simple and low-risk changes (as assessed by you, SWAT team, and the Release Manager). They happen at:
  • 06:00, 11:00 and 16:00 Pacific on Mondays and Thursdays
  • 06:00 and 16:00 Pacific on Tuesdays
  • 06:00, 10:00 and 16:00 Pacific on Wednesdays

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 projects (Wikipedia, Wiktionary, Wikiversity, 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.

Long running tasks/scripts

While not strictly a deployment, performing long running (>1 hour) tasks (eg: migration scripts) can encounter issues when code is updated while a script is being run. For this reason it is required to add an entry in the calendar for the task with a window that accounts for the anticipated start time and estimated length for the task.

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.

Something went wrong‽ (see also Incident response)

• Is there a user-impacting or other severe issue?
  • Communicate this in the #wikimedia-operations ^connect IRC channel.
  • Add the #wikimedia-incident project to any relevant Phabricator task; if appropriate set to UBN! priority.
• What happens next?
  • In case of halting or reverting the weekly train

Near-term

NOTE: You can subscribe to the "WMF Deployments" google calendar by adding <wikimedia.org_rudis09ii2mm5fk4hgdjeh1u64@group.calendar.google.com>. This does not always get one-off windows that are noted below. This wiki page is the canonical deployment schedule and any differences with the google calendar are to be interpreted as the calendar being wrong.

Week of March 5th

• Week of:
  • Deploy ReadingLists schema change for efficient count(*) handling task T188048
  • Deploy multiple schema changes: task T187089 task T185128 task T153182

By day

Time	Component	Deployer	Changes
Monday, March 05
11:00–11:30 UTC # 03:00–03:30 PST	Wikimedia Portals Update	Jan Drewniak (jan_drewniak)	Weekly window for the portals page: https://www.wikipedia.org/
11:00–11:30 UTC # 03:00–03:30 PST	Wikimedia Portals Update	Jan Drewniak (jan_drewniak)	Weekly window for the portals page: https://www.wikipedia.org/
14:00–15:00 UTC # 06:00–07:00 PST	European Mid-day SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	James_F [config] 413652 (deploy commands) 2017 wikitext editor: Simplify config part 2 Jayprakash12345 [config] 416224 (deploy commands) Enable rollbacker user right at arwikiversity (T188633) [config] 416338 (deploy commands) Enable translate extension in bdwikimedia (T188853) [config] 414451 (deploy commands) Add Import sources on pawikisource (T185982) Jan Drewniak (jan_drewniak) [wmf.23] 415934 (deploy commands) Remove client side formatters in the REST formatter (T183833) (Popups extension) Stephane Bisson (stephanebisson) 416413 (deploy commands) Revert "Use UserSaveSettings hook for opt in/out of beta feature" 416417 (deploy commands) Fix master/replica race condition when creating null revisions Requesting Developer (irc-nickname) Gerrit link to backport or config change
15:00–16:00 UTC # 07:00–08:00 PST	JobQueue Deployment Window	Marko (mobrovac), Petr (Pchelolo)	* 415292 (deploy commands) [JobExecutor] Wait for the replicas if the transaction takes too long [config] 415877 (deploy commands) Switch 50% for refreshLinks to kafka job queue [config] 415870 (deploy commands) Switch all of the cdnPurge to kafka
18:00–18:30 UTC # 10:00–10:30 PST	Wikidata Query Service weekly deploy	Guillaume (gehel)	Deploy new Updater and new GUI
19:00–20:00 UTC # 11:00–12:00 PST	Morning SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Lucas Werkmeister (Lucas_WMDE) [wmf.24] 415319 (deploy commands) Fix empty condition list in metadata lookup (third time’s the charm…) Stephane Bisson (stephanebisson) [config] 416457 (deploy commands) Revert "Enable log channel T184670" [config] 416456 (deploy commands) Revert "Hide Flow beta feature everywhere but testwiki" James_F [wmf.24] 416467 (deploy commands) Cite: Fix detection of template-generated ref lists MaxSem [config] a few cleanups starting with 414017 (deploy commands) Requesting Developer (irc-nickname) Gerrit link to backport or config change
21:00–22:00 UTC # 13:00–14:00 PST	Services – Parsoid / Citoid / Mobileapps / ORES / …	C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak), Amir (Amir1)	See mw:Parsoid/Deployments, Mobileapps deployments
22:00–00:00 UTC # 14:00–16:00 PST	Weekly Security deployment window	Brian (bawolff), Sam (Reedy)	Held deployment window for Security-team related deploys.
Tuesday, March 06
00:00–01:00 UTC # (Mon) 16:00–17:00 PST	Evening SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Gergő (tgr) [config] 416331 (deploy commands) Enable loginOnly mode for local auth provider on group 0 Requesting Developer (irc-nickname) Gerrit link to backport or config change
01:00–02:00 UTC # (Mon) 17:00–18:00 PST	Reading Infrastructure	Gergő (tgr)	ReadingLists backports: T187226#4025352
13:00–14:00 UTC # 05:00–06:00 PST	JobQueue Deployment Window	Marko (mobrovac), Petr (Pchelolo)	Move all refreshLinks to EventBus Did not happen due to Incident_documentation/20180306-MasterMergedInWMFBranch
14:00–15:00 UTC # 06:00–07:00 PST	European Mid-day SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Giuseppe_ (_joe_) [wmf.23] 416411 (deploy commands) Expose the latest modified index seen by EtcdConfig (backport to wmf.23) [config] 416470 (deploy commands) Fetch the last modified index in etcd.php, and expose it via siteinfo [config] 416482 (deploy commands) Fetch data from etcd on every server, but use them only for labs/x-wikimedia-debug hosts James_F [config] 416330 (deploy commands) Article counts: Change 'comma' method to 'any' Requesting Developer (irc-nickname) Gerrit link to backport or config change
17:00–18:00 UTC # 09:00–10:00 PST	Puppet SWAT (Max 8 patches)	Filippo (godog), Moritz (moritzm), Giuseppe (_joe_)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
18:00–19:00 UTC # 10:00–11:00 PST	Services – Graphoid / Parsoid / Citoid / ORES	C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1)	See Graphoid, mw:Parsoid/Deployments
19:00–20:00 UTC # 11:00–12:00 PST	Pre MediaWiki train sanity break		No deploys
20:00–22:00 UTC # 12:00–14:00 PST	MediaWiki train	Tyler (thcipriani)	1.31 schedule group0 1.31.0-wmf.23->1.31.0-wmf.24 group1 1.31.0-wmf.23 group2 1.31.0-wmf.23 group0 to 1.31.0-wmf.24 test wikis and mediawiki.org Blockers: task T183963
23:00–00:00 UTC # 15:00–16:00 PST	Run maintenance script	MaxSem	T187516
Wednesday, March 07
00:00–01:00 UTC # (Tue) 16:00–17:00 PST	Evening SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Gergő (tgr) [config] 416630 (deploy commands) Enable loginOnly mode for local auth provider on group 1 Jdlrobson [config] 416741 (deploy commands) Re-enable Wikidata descriptions [config] 416872 Re-enable Wikidata descriptions Amir Sarabadani (Amir1) [wmf.23] 416745 (deploy commands) Add code of special wikis as interwiki when populating sites table [wmf.24] 416744 (deploy commands) Add code of special wikis as interwiki when populating sites table Requesting Developer (irc-nickname) Gerrit link to backport or config change
13:00–14:00 UTC # 05:00–06:00 PST	JobQueue Deployment Window	Marko (mobrovac), Petr (Pchelolo)	Move all refreshLinks to EventBus
14:00–15:00 UTC # 06:00–07:00 PST	European Mid-day SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Urbanecm [throttle] 416585 (deploy commands) New throttle rule - please deploy even when I am away Requesting Developer (irc-nickname) Gerrit link to backport or config change
18:00–19:00 UTC # 10:00–11:00 PST	Morning SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Zoranzoki21 [config] 416708 (deploy commands) Deploy TemplateStyles to zhwiki Requesting Developer (irc-nickname) Gerrit link to backport or config change
19:00–20:00 UTC # 11:00–12:00 PST	Pre MediaWiki train sanity break		No deploys
20:00–22:00 UTC # 12:00–14:00 PST	MediaWiki train	Tyler (thcipriani)	1.31 schedule group0 1.31.0-wmf.24 group1 1.31.0-wmf.23->1.31.0-wmf.24 group2 1.31.0-wmf.23 group1 to 1.31.0-wmf.24 All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, etc) Catalan and Hebrew Wikipedias Blockers: task T183963
21:00–22:00 UTC # 13:00–14:00 PST	Services – Parsoid / Citoid / Mobileapps / ORES / …	C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak), Amir (Amir1)	See mw:Parsoid/Deployments, Mobileapps deployments
Thursday, March 08
00:00–01:00 UTC # (Wed) 16:00–17:00 PST	Evening SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Gergő (tgr) [config] 416631 (deploy commands) Enable loginOnly mode for local auth provider on group 2 Requesting Developer (irc-nickname) Gerrit link to backport or config change
01:00–02:00 UTC # (Wed) 17:00–18:00 PST	Phabricator update	Mukunda (twentyafterfour)	HOLD: Window to update phabricator.wikimedia.org
14:00–15:00 UTC # 06:00–07:00 PST	European Mid-day SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
17:00–18:00 UTC # 09:00–10:00 PST	Puppet SWAT (Max 8 patches)	Filippo (godog), Moritz (moritzm), Giuseppe (_joe_)	Krinkle 416637 (deploy commands) mediawiki: Enable auto_prepend_file on canary_appserver (phab:T180183) Requesting Developer (irc-nickname) Gerrit link to backport or config change
18:00–19:00 UTC # 10:00–11:00 PST	Services – Graphoid / Parsoid / Citoid / ORES	C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1)	See Graphoid, mw:Parsoid/Deployments
19:00–20:00 UTC # 11:00–12:00 PST	Morning SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
20:00–22:00 UTC # 12:00–14:00 PST	MediaWiki train	Tyler (thcipriani)	1.31 schedule group0 1.31.0-wmf.24 group1 1.31.0-wmf.24 group2 1.31.0-wmf.23->1.31.0-wmf.24 group2 to 1.31.0-wmf.24 All Wikipedias Blockers: task T183963
Friday, March 09
00:00–01:00 UTC # (Thu) 16:00–17:00 PST	Evening SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change

Week of March 12th

• Week of:
  • nothing yet...

By day

Time	Component	Deployer	Changes
Monday, March 12
11:00–11:30 UTC # 04:00–04:30 PDT	Wikimedia Portals Update	Jan Drewniak (jan_drewniak)	Weekly window for the portals page: https://www.wikipedia.org/
13:00–14:00 UTC # 06:00–07:00 PDT	European Mid-day SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Lucas Werkmeister (Lucas_WMDE) [config] 416748 (deploy commands) Enable caching of constraint check results Requesting Developer (irc-nickname) Gerrit link to backport or config change
17:00–17:30 UTC # 10:00–10:30 PDT	Wikidata Query Service weekly deploy	Guillaume (gehel)
18:00–19:00 UTC # 11:00–12:00 PDT	Morning SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
20:00–21:00 UTC # 13:00–14:00 PDT	Services – Parsoid / Citoid / Mobileapps / ORES / …	C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak), Amir (Amir1)	See mw:Parsoid/Deployments, Mobileapps deployments
21:00–23:00 UTC # 14:00–16:00 PDT	Weekly Security deployment window	Brian (bawolff), Sam (Reedy)	Held deployment window for Security-team related deploys.
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
Tuesday, March 13
13:00–14:00 UTC # 06:00–07:00 PDT	European Mid-day SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
16:00–17:00 UTC # 09:00–10:00 PDT	Puppet SWAT (Max 8 patches)	Filippo (godog), Moritz (moritzm), Giuseppe (_joe_)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
17:00–18:00 UTC # 10:00–11:00 PDT	Services – Graphoid / Parsoid / Citoid / ORES	C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1)	See Graphoid, mw:Parsoid/Deployments
18:00–19:00 UTC # 11:00–12:00 PDT	Pre MediaWiki train sanity break		No deploys
19:00–21:00 UTC # 12:00–14:00 PDT	MediaWiki train	Chad (no_justification)	1.31 schedule group0 1.31.0-wmf.24->1.31.0-wmf.25 group1 1.31.0-wmf.24 group2 1.31.0-wmf.24 group0 to 1.31.0-wmf.25 test wikis and mediawiki.org Blockers: task T183964
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
Wednesday, March 14
13:00–14:00 UTC # 06:00–07:00 PDT	European Mid-day SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
17:00–18:00 UTC # 10:00–11:00 PDT	Morning SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Subbu (subbu) [config] 416489 (deploy commands) Enable RemexHTML on kowiki, mznwiki, warwiki, cebwiki, nlwiki Requesting Developer (irc-nickname) Gerrit link to backport or config change
18:00–19:00 UTC # 11:00–12:00 PDT	Pre MediaWiki train sanity break		No deploys
19:00–21:00 UTC # 12:00–14:00 PDT	MediaWiki train	Chad (no_justification)	1.31 schedule group0 1.31.0-wmf.25 group1 1.31.0-wmf.24->1.31.0-wmf.25 group2 1.31.0-wmf.24 group1 to 1.31.0-wmf.25 All non-Wikipedia sites (Wiktionary, Wikisource, Wikinews, Wikibooks, Wikiquote, Wikiversity, etc) Catalan and Hebrew Wikipedias Blockers: task T183963
20:00–21:00 UTC # 13:00–14:00 PDT	Services – Parsoid / Citoid / Mobileapps / ORES / …	C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak), Amir (Amir1)	See mw:Parsoid/Deployments, Mobileapps deployments
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
Thursday, March 15
00:00–01:00 UTC # (Wed) 17:00–18:00 PDT	Phabricator update	Mukunda (twentyafterfour)	HOLD: Window to update phabricator.wikimedia.org
13:00–14:00 UTC # 06:00–07:00 PDT	European Mid-day SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
16:00–17:00 UTC # 09:00–10:00 PDT	Puppet SWAT (Max 8 patches)	Filippo (godog), Moritz (moritzm), Giuseppe (_joe_)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
17:00–18:00 UTC # 10:00–11:00 PDT	Services – Graphoid / Parsoid / Citoid / ORES	C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak), Amir (Amir1)	See Graphoid, mw:Parsoid/Deployments
18:00–19:00 UTC # 11:00–12:00 PDT	Morning SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change
19:00–21:00 UTC # 12:00–14:00 PDT	MediaWiki train	Chad (no_justification)	1.31 schedule group0 1.31.0-wmf.25 group1 1.31.0-wmf.25 group2 1.31.0-wmf.24->1.31.0-wmf.25 group2 to 1.31.0-wmf.25 All Wikipedias Blockers: task T183963
23:00–00:00 UTC # 16:00–17:00 PDT	Evening SWAT (Max 8 patches)	addshore, Antoine (hashar), Brad (anomie), Katie (aude), Max (MaxSem), Mukunda (twentyafterfour), Roan (RoanKattouw), Sébastien (Dereckson), Tyler (thcipriani), Niharika (Niharika), or Željko (zeljkof)	Requesting Developer (irc-nickname) Gerrit link to backport or config change

Upcoming

• nothing interesting yet?

Past deployments

• /Archive