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Deployments
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- 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 March 14th
- Week of:
- March 16th: Day long switching default search to completion suggester - Erik (ebernhardson)
- By day
| Time | Component | Deployer | Changes | ||||||
|---|---|---|---|---|---|---|---|---|---|
Monday, March 14 | |||||||||
| – UTC # – PDT |
Morning SWAT (Max 8 patches) |
Brad (anomie), Chad (ostriches), Tyler (thcipriani), or Mark (marktraceur) | Matt (matt_flaschen)
Requesting Developer (irc-nickname)
| ||||||
| – UTC # – PDT |
Services – Parsoid / OCG / Citoid / Mobileapps / … | Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND) and Michael (mdholloway) | See mw:Parsoid/Deployments, OCG/Deployments, Mobileapps deployments | ||||||
| – UTC # – PDT |
Kartographer extension | yurik, maxsem | Deploy Kartographer extension | ||||||
| – UTC # – PDT |
Evening SWAT (Max 8 patches) |
Roan (RoanKattouw), Chad (ostriches), Alex (Krenair), or Max (MaxSem) | Sébastien (Dereckson)
Requesting Developer (irc-nickname) | ||||||
Tuesday, March 15 | |||||||||
| – UTC # – PDT |
Morning SWAT (Max 8 patches) |
Brad (anomie), Chad (ostriches), Tyler (thcipriani), Mark (marktraceur), or Alex (Krenair) | James_F
csteipp
Requesting Developer (irc-nickname)
| ||||||
| – UTC # – PDT |
Puppet SWAT (Max 8 patches) |
Giuseppe (_joe_), Jaime (jynus) | Requesting Developer (irc-nickname)
| ||||||
| – UTC # – PDT |
Services – Graphoid / Parsoid / OCG / Citoid | Yuri (yurik), Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu) | See Graphoid, mw:Parsoid/Deployments, OCG/Deployments | ||||||
| – UTC # – PDT |
MediaWiki train | Mukunda (twentyafterfour) | 1.27 schedule
| ||||||
| – UTC # – PDT |
Evening SWAT (Max 8 patches) |
Roan (RoanKattouw), Chad (ostriches), Alex (Krenair), or Max (MaxSem) | Requesting Developer (irc-nickname)
| ||||||
Wednesday, March 16 | |||||||||
| – UTC # – PDT |
Morning SWAT (Max 8 patches) |
Brad (anomie), Chad (ostriches), Tyler (thcipriani), Mark (marktraceur), or Alex (Krenair) | Requesting Developer (irc-nickname)
| ||||||
| – UTC # – PDT |
MediaWiki train | Mukunda (twentyafterfour) | 1.27 schedule
| ||||||
| – UTC # – PDT |
Services – Parsoid / OCG / Citoid / Mobileapps / … | Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu), Bernd (bearND) and Michael (mdholloway) | See mw:Parsoid/Deployments, OCG/Deployments, Mobileapps deployments | ||||||
| – UTC # – PDT |
Evening SWAT (Max 8 patches) |
Roan (RoanKattouw), Chad (ostriches), Alex (Krenair), or Max (MaxSem) | Requesting Developer (irc-nickname)
| ||||||
Thursday, March 17 | |||||||||
| – UTC # (Wed) – PDT |
Phabricator update | Mukunda (twentyafterfour) | HOLD: Window to update phabricator.wikimedia.org | ||||||
| – UTC # – PDT |
Elasticsearch switch DC from eqiad to codfw | Guillaume (gehel) with support from David (dcausse) and Erik (ebernhardson) | * Links to be added | ||||||
| – UTC # – PDT |
Morning SWAT (Max 8 patches) |
Brad (anomie), Chad (ostriches), Tyler (thcipriani), or Mark (marktraceur) | Requesting Developer (irc-nickname)
| ||||||
| – UTC # – PDT |
Puppet SWAT (Max 8 patches) |
Moritz (moritzm), mutante (mutante) | Requesting Developer (irc-nickname)
| ||||||
| – UTC # – PDT |
Services – Graphoid / Parsoid / OCG / Citoid | Yuri (yurik), Gabriel (gwicke), C.Scott (cscott), Arlo (arlolra), Subbu (subbu) | See Graphoid, mw:Parsoid/Deployments, OCG/Deployments | ||||||
| – UTC # – PDT |
MediaWiki train | Mukunda (twentyafterfour) | 1.27 schedule
| ||||||
| – UTC # – PDT |
Evening SWAT (Max 8 patches) |
Roan (RoanKattouw), Chad (ostriches), Alex (Krenair), Max (MaxSem), or Adam (awight) | Requesting Developer (irc-nickname)
| ||||||
Week of March 21st
- Week of: Datacenter failure test to CODFW (Dallas)
- No non-urgent deploys. Coordination with Release Engineering and Technical Operations teams required.
Upcoming
16 March
Erik Bernhardson
Long term callouts
Not scheduled yet
- Re-enable VisualEditor by default for all logged-out users of the English Wikipedia - phab:T90663
- Clean up skin user preferences in user_properties table on Wikimedia wikis – phab:T54778, use WikimediaMaintenance's
cleanupSkinPrefs - Deploy Sentry (JavaScript error logging) to production, configured to log only UploadWizard - phab:T91649
- Scrap VisualEditor providing its own edit tab, instead provide only one with switching, and memory of which editor the user used last – phab:T102398
- Enable Wikibase arbitrary access on commons. phab:T49930
Deployment trains
Recently completed
For older deployments, please see the /Archive.