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Deployments

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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.

Deployments

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)

Near-term

NOTE: You can also 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 google calendar being incorrect.

Week of September 16th

  • Week of:
By day
Time Component Deployer Changes

Monday, September 16

 UTC #
 PDT
Wikimedia Portals Update Jan Drewniak (jan_drewniak) Weekly window for the portals page: https://www.wikipedia.org/
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Adam W. (awight)
  • Yes Done [config] 536590 Enable File Importer source wiki editing for testwiki
  • Yes Done [config] 536974 Enable File Importer source wiki edits on beta cluster
  • Yes Done [FileImporter] 536980 Add debug logging for remote API failures
  • Yes Done [FileImporter] 537053 Send a User-Agent with remote API requests

Urbanecm

  • Yes Done [config] 536740 Lift IP cap on 2019-10-02 for Senior Citizen Write Wikipedia course - cs.wikipedia
  • Yes Done [config] 536679 Remove expired throttle rules
  • Yes Done [config] 535944 Increase move rate-limit on Commons for all autopatrolled users

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-16-eu

 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel), Mathew (onimisionipe) ...
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika) or Martin (Urbanecm) Lucas Werkmeister (Lucas_WMDE)
  • Yes Done [config] 536982 bridge: enable EditTags for beta

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-16-morning

 UTC #
 PDT
ServicesParsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak)), Andy (accraze) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Weekly Security deployment window Sam (Reedy), Scott (sbassett) Held deployment window for Security-team related deploys.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Elliott Eggleston (ejegg)
  • Yes Done [config] 527183 Make banner-preview CSP match normal CSP
  • Yes Done [config] 526756 CSP for banner preview: allow remind me later host

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-16-evening

Tuesday, September 17

 UTC #
(Mon)  PDT
s2 database master failover marostegui, jynus T230785
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Kosta Harlan (kostajh)
  • Yes Done [config] 537092 Enable EditorJourney for euwiki

Gergő (tgr)

  • Yes Done [config] 536732 Update ORES filter threshold configuration for new huwiki model

Adam W. (awight)

  • Yes Done [wmf.22 FileImporter] 537345 Use https rather than protocol-relative remote API URLs

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-17-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesGraphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak)), Andy (accraze) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - American version Mukunda (twentyafterfour) 1.34 schedule
group0 1.34.0-wmf.22->1.34.0-wmf.23
group1 1.34.0-wmf.22
group2 1.34.0-wmf.22
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-17-evening

Wednesday, September 18

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Martin (Urbanecm) Adam W. (awight)
  • Yes Done [config] 537375 NowCommons test & test2wiki configuration
  • Yes Done [config] 537586 Enable FileImport source wiki editing

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-18-eu

 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika) or Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-18-morning

 UTC #
 PDT
Creating hiwikisource Amir Sarabadani (Amir1) phab:T218155
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - American version Mukunda (twentyafterfour) 1.34 schedule
group0 1.34.0-wmf.23
group1 1.34.0-wmf.22->1.34.0-wmf.23
group2 1.34.0-wmf.22
 UTC #
 PDT
ServicesParsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak)), Andy (accraze) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Jdlrobson

[1.34.0-wmf.23] 537767 Pass router to showSorryToast

Requesting Developer (irc-nickname)

  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-18-evening

Thursday, September 19

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-19-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesGraphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak)), Andy (accraze) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika) or Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-19-morning

 UTC #
 PDT
MediaWiki train - American version Mukunda (twentyafterfour) 1.34 schedule
group0 1.34.0-wmf.23
group1 1.34.0-wmf.23
group2 1.34.0-wmf.22->1.34.0-wmf.23
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-19-evening

Week of September 23rd

  • Week of:
By day
Time Component Deployer Changes

Monday, September 23

 UTC #
 PDT
Wikimedia Portals Update Jan Drewniak (jan_drewniak) Weekly window for the portals page: https://www.wikipedia.org/
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-23-eu

 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel), Mathew (onimisionipe) ...
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika) or Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-23-morning

 UTC #
 PDT
ServicesParsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak)), Andy (accraze) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Weekly Security deployment window Sam (Reedy), Scott (sbassett) Held deployment window for Security-team related deploys.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-23-evening

Tuesday, September 24

 UTC #
(Mon)  PDT
s3 database master failover marostegui, jynus T230783
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Adam W. (awight)

  • [config] 537433 FileImporter: limited default deployment (part 1 of 2)
  • [config] 537434 FileImporter: limited default deployment (part 2 of 2)

Gerrit hashtag: swat-2019-09-24-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesGraphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak)), Andy (accraze) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - American version Mukunda (twentyafterfour) 1.34 schedule
group0 1.34.0-wmf.23->1.34.0-wmf.24
group1 1.34.0-wmf.23
group2 1.34.0-wmf.23
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-24-evening

Wednesday, September 25

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-25-eu

 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika) or Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-25-morning

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - American version Mukunda (twentyafterfour) 1.34 schedule
group0 1.34.0-wmf.24
group1 1.34.0-wmf.23->1.34.0-wmf.24
group2 1.34.0-wmf.23
 UTC #
 PDT
ServicesParsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak)), Andy (accraze) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-25-evening

Thursday, September 26

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
(Wed)  PDT
s4 database master failover marostegui, jynus T230784
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-26-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesGraphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak)), Andy (accraze) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika) or Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-26-morning

 UTC #
 PDT
MediaWiki train - American version Mukunda (twentyafterfour) 1.34 schedule
group0 1.34.0-wmf.24
group1 1.34.0-wmf.24
group2 1.34.0-wmf.23->1.34.0-wmf.24
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-26-evening

Week of September 30th

  • Week of:
By day
Time Component Deployer Changes

Monday, September 30

 UTC #
 PDT
Wikimedia Portals Update Jan Drewniak (jan_drewniak) Weekly window for the portals page: https://www.wikipedia.org/
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-30-eu

 UTC #
 PDT
Wikidata Query Service weekly deploy Guillaume (gehel), Mathew (onimisionipe) ...
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika) or Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-30-morning

 UTC #
 PDT
ServicesParsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak)), Andy (accraze) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Weekly Security deployment window Sam (Reedy), Scott (sbassett) Held deployment window for Security-team related deploys.
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-09-30-evening

Tuesday, October 01

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-10-01-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesGraphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak)), Andy (accraze) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - American version Mukunda (twentyafterfour) 1.34 schedule
group0 1.34.0-wmf.24->1.34.0-wmf.25
group1 1.34.0-wmf.24
group2 1.34.0-wmf.24
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-10-01-evening

Wednesday, October 02

 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-10-02-eu

 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika) or Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-10-02-morning

 UTC #
 PDT
Pre MediaWiki train sanity break No deploys
 UTC #
 PDT
MediaWiki train - American version Mukunda (twentyafterfour) 1.34 schedule
group0 1.34.0-wmf.25
group1 1.34.0-wmf.24->1.34.0-wmf.25
group2 1.34.0-wmf.24
 UTC #
 PDT
ServicesParsoid / Citoid / Mobileapps / ORES / … C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND), Aaron (halfak)), Andy (accraze) See mw:Parsoid/Deployments, Mobileapps deployments
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-10-02-evening

Thursday, October 03

 UTC #
(Wed)  PDT
Phabricator update Mukunda (twentyafterfour) HOLD: Window to update phabricator.wikimedia.org
 UTC #
 PDT
European Mid-day SWAT
(Max 6 patches)
Amir (Amir1), Lucas (Lucas_WMDE), Adam (awight), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-10-03-eu

 UTC #
 PDT
Puppet SWAT
(Max 6 patches)
Filippo (godog), Giuseppe (_joe_) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change
 UTC #
 PDT
ServicesGraphoid / Parsoid / Citoid / ORES C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Aaron (halfak)), Andy (accraze) See Graphoid, mw:Parsoid/Deployments
 UTC #
 PDT
Morning SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika) or Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-10-03-morning

 UTC #
 PDT
MediaWiki train - American version Mukunda (twentyafterfour) 1.34 schedule
group0 1.34.0-wmf.25
group1 1.34.0-wmf.25
group2 1.34.0-wmf.24->1.34.0-wmf.25
 UTC #
 PDT
Evening SWAT
(Max 6 patches)
Max (MaxSem), Roan (RoanKattouw), Niharika (Niharika), Martin (Urbanecm) Requesting Developer (irc-nickname)
  • Gerrit link to backport or config change

Gerrit hashtag: swat-2019-10-03-evening

Upcoming

  • October 14 (Indigenous Peoples' Day) - US Staff
  • November 11 (Veterans' Day) - US Staff
  • November 12-15 - TechConf
  • November 16-21 - Engineering Productivity (including Release Engineering) offsite
  • November 28–29 (Thanksgiving) - US Staff
  • December 25–31 (Christmas) - US Staff
  • 1 January (New Year's Day) - US Staff, Lars
  • 20 January (Martin Luther King Jr. Day) - US Staff

Past deployments