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Maniphest T271736

Migrate WMF Production from PHP 7.2 to a newer version
Open, Stalled, Needs TriagePublic
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Description

At some point after the mediawiki appservers are migrated to Buster, T245757: Upgrade MediaWiki clusters to Debian Buster (debian 10), (whilst still on PHP 7.2, but ICU from Buster), we should move WMF production to PHP 7.3 (packaged in Buster) or possibly later (PHP 7.3 goes fully EOL in December 2021) so that we can drop PHP 7.2 support in MW master (like 1.35) as per T261872: Drop PHP 7.2 support from MediaWiki master branch, once Wikimedia production is on 7.3

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StatusSubtypeAssignedTask
 StalledtstarlingT277618 var_dump() on various objects writes gigabytes of data and takes minutes to run
 StalledNoneT278139 Drop PHP 7.3 support in MediaWiki when appropriate
 StalledNoneT262076 Package phpunit/php-token-stream is abandoned
 OpenNoneT243600 Preparation for the PHPUnit 9 upgrade
 StalledNoneT264168 Drop PHP 7.2 support from wikibase master branch, once Wikimedia production is on 7.3
 StalledNoneT270740 Drop hacky support for doctrine/dbal class renaming
 StalledNoneT261872 Drop PHP 7.2 support from MediaWiki master branch, once Wikimedia production is on 7.3
 StalledNoneT271736 Migrate WMF Production from PHP 7.2 to a newer version
 OpenNoneT245757 Upgrade MediaWiki clusters to Debian Buster (debian 10)
 ResolvedhasharT252434 Test MW code in buster as well as stretch
 ResolvedJdforrester-WMFT250514 Create buster-based images for quibble
 ResolvedLadsgroupT279068 Wikibase data-client bridge selenium failure on buster but not stretch
 ResolvedMoritzMuehlenhoffT250515 Please provide our special component/php72 in buster-wikimedia
 ResolvedjijikiT264991 Upgrade the MediaWiki servers to ICU 63
 ResolvedMoritzMuehlenhoffT253377 WMF deployed EasyTimeline extension depends on Ploticus package which is not available in Debian Buster (but available again in Debian Bullseye)
 ResolvedTrizek-WMFT267145 CommRel support for ICU 63 upgrade
 ResolvedDzahnT267248 create mwdebug1003 - ganeti VM with buster and appserver role
 ResolvedGillesT268188 Release WikimediaDebug for mwdebug1003 addition
 StalledDzahnT267607 upgrade mwmaint servers to buster
ResolvedRequestPapaulT275928 decommission mwmaint2001.codfw.wmnet
 ResolvedjijikiT268524 Upgrade Parsoid servers to buster
DeclinedNoneT245888 Rename wtp* servers to parse* (Parsoid PHP servers)
 ResolvedDzahnT268248 upgrade scandium to buster
 OpenNoneT279059 Remove parsoidJS leftovers from production
 ResolvedDzahnT265963 Replace production deployment servers and update them to Buster
Unknown Object (Task)
 ResolvedPapaulT266363 (Need By: TBD) rack/setup/install deploy2002
 ResolvedCmjohnsonT265653 (Need By: TBD) setup/install deploy1002
 OpendancyT275826 L10n cache files building up on backup deploy hosts
 OpenNoneT257317 scap deploy --init on deployment server fails on first puppet run
 ResolvedRequestCmjohnsonT275831 decommission deploy1001.eqiad.wmnet
 ResolvedRequestPapaulT275832 decommission deploy2001.codfw.wmnet
 ResolvedAndrewT269004 Upgrade labweb servers to buster
 ResolvedArielGlennT269377 Upgrade snapshot hosts to Buster
 ResolvedDzahnT270517 Investigate opcache hit rate on Buster appserver
 ResolvedLegoktmT273312 Investigate possible performance degradation on mediawiki servers after Debian Buster upgrade
 OpenNoneT273334 Re-imaged mw app servers can end up with missing l10n cache for old versions of MW needed for rollback
 ResolvedPapaulT273803 mw2220 - broken IPMI / mgmt
ResolvedDzahnT274023 Convert mwdebug VMs to debian buster
 DeclinedGillesT274026 Add 3 new canaries to WikimediaDebug
 ResolvedVolansT274689 sre.hosts.decomission -> generate_dns_snippets - > Cumin execution failed
 ResolvedDzahnT274403 mw1379 - down after reboot attempt and DRAC can't powercycle
 OpenNoneT275752 Jobrunner on Buster occasional timeout on codfw file upload

Event Timeline

Reedy created this task.Jan 11 2021, 6:01 PM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJan 11 2021, 6:01 PM
Reedy renamed this task from Migrate WMF Production from PHP 7.2 to Migrate WMF Production from PHP 7.2 to a newer version.Jan 11 2021, 6:01 PM
Reedy added a subtask: T245757: Upgrade MediaWiki clusters to Debian Buster (debian 10).
Reedy added a parent task: T261872: Drop PHP 7.2 support from MediaWiki master branch, once Wikimedia production is on 7.3.
Reedy changed the task status from Open to Stalled.Jan 11 2021, 6:04 PM
Reedy updated the task description. (Show Details)

Marking stalled as we're a bit away from this happening as T245757: Upgrade MediaWiki clusters to Debian Buster (debian 10) isn't finished yet

Daimona added a subscriber: Daimona.Jan 11 2021, 7:01 PM
Majavah added a subscriber: Majavah.Jan 11 2021, 7:55 PM
Dzahn added a subscriber: Dzahn.Jan 11 2021, 8:04 PM
Michael added a subscriber: Michael.Jan 12 2021, 8:47 AM
Legoktm changed the status of subtask T245757: Upgrade MediaWiki clusters to Debian Buster (debian 10) from Open to Stalled.Jan 30 2021, 9:11 AM
Legoktm changed the status of subtask T245757: Upgrade MediaWiki clusters to Debian Buster (debian 10) from Stalled to Open.Feb 4 2021, 12:10 AM
Reedy updated the task description. (Show Details)Feb 4 2021, 1:08 AM
Reedy mentioned this in T262076: Package phpunit/php-token-stream is abandoned.Mar 11 2021, 3:01 AM
RhinosF1 added a subscriber: RhinosF1.Mar 22 2021, 4:16 PM
Reedy mentioned this in T234240: Phan should work out of the box on MediaWiki-Vagrant.Thu, Apr 15, 9:19 AM
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