T245757: Upgrade MediaWiki clusters to Debian Buster (debian 10)

Phabricator Link	T245757
Status	resolved
Priority	High (red)
Points
Phabricator Task Created	2020/02/20 12:41 PM
Wiki Page Created	2020/05/11 03:08 PM
Phabricator Task Last Modified	2021/11/30 03:22 PM
Wiki Page Last Updated	2021/11/30 04:33 PM
Phabricator Task Closed	2021/11/04 03:10 PM
Authored By	Dzahn (Daniel Zahn)
Assigned To	Dzahn (Daniel Zahn)
Projects	Patch-For-Review Release-Engineering-Team (Radar) (Watching/External) SRE (Backlog) serviceops (Unsorted)
Platform Engineering Initiative Column
Platform Team Workboards Column
Subtasks	T252434: Test MW code in buster as well as stretch (resolved) T250515: Please provide our special component/php72 in buster-wikimedia (resolved) T253377: WMF deployed EasyTimeline extension depends on Ploticus package which is not available in Debian Buster (but available again in Debian Bullseye) (resolved) T264991: Upgrade the MediaWiki servers to ICU 63 (resolved) T267248: create mwdebug1003 - ganeti VM with buster and appserver role (resolved) T267607: upgrade mwmaint servers to buster (resolved) T268248: upgrade scandium to buster (resolved) T268524: Upgrade Parsoid servers to buster (resolved) T265963: Replace production deployment servers and update them to Buster (resolved) T269004: Upgrade labweb servers to buster (resolved) T269377: Upgrade snapshot hosts to Buster (resolved) T270517: Investigate opcache hit rate on Buster appserver (resolved) T273312: Investigate possible performance degradation on mediawiki servers after Debian Buster upgrade (resolved) T273803: mw2220 - broken IPMI / mgmt (resolved) T274023: Convert mwdebug VMs to debian buster (resolved) T274403: mw1379 - down after reboot attempt and DRAC can't powercycle (resolved) T275831: decommission deploy1001.eqiad.wmnet (resolved) T275752: Jobrunner timeouts on cross-DC file uploads because of HTTP/2 (resolved)
Parent Tasks	T248191: Can't reopen table in wikidb-unittest_ (from SpecialPageFatalTest) T252432: Drop MediaWiki testing in stretch and instead test only in buster T271736: Migrate WMF Production from PHP 7.2 to PHP 7.4

Column Transitions: (Added project: ⇑, Removed project: ⇓,Entered column: ⇒, Exited column: ⇐)

Project	Column	Date
⇑ serviceops		20 February 2020
⇑ Release-Engineering-Team		20 February 2020
⇑ Release-Engineering-Team-TODO		20 February 2020
Release-Engineering-Team-TODO	⇐ Should be empty (use Release-Engineering-Team)	20 February 2020
Release-Engineering-Team-TODO	⇒ Watching/External	20 February 2020
⇓ Release-Engineering-Team		20 February 2020
⇑ Release-Engineering-Team (Deployment services)		20 February 2020
serviceops	⇐ Incoming 🐫	17 August 2020
serviceops	⇒ Unsorted	17 August 2020
⇑ Patch-For-Review		2 November 2020
⇓ Patch-For-Review		2 November 2020
⇑ Patch-For-Review		2 November 2020
⇑ SRE		10 November 2020
⇓ Patch-For-Review		17 November 2020
⇑ Patch-For-Review		19 November 2020
⇑ User-jijiki		24 November 2020
User-jijiki	⇐ Inbox 🐅	24 November 2020
User-jijiki	⇒ In Progress 🏋️♀️	24 November 2020
⇓ Patch-For-Review		18 January 2021
⇑ Patch-For-Review		26 January 2021
⇓ Patch-For-Review		26 January 2021
⇑ Patch-For-Review		27 January 2021
⇓ Patch-For-Review		27 January 2021
User-jijiki	⇐ In Progress 🏋️♀️	5 February 2021
User-jijiki	⇒ Next up 🥌	5 February 2021
⇑ Patch-For-Review		16 February 2021
⇓ Patch-For-Review		19 February 2021
⇑ Patch-For-Review		2 March 2021
⇓ Release-Engineering-Team (Deployment services)		19 April 2021
⇓ Release-Engineering-Team-TODO		19 April 2021
⇑ Release-Engineering-Team (Radar)		19 April 2021
Release-Engineering-Team (Radar)	⇐ Limbo	19 April 2021
Release-Engineering-Team (Radar)	⇒ Watching/External	19 April 2021
⇓ User-jijiki		19 May 2021
⇓ Patch-For-Review		7 June 2021
⇑ Patch-For-Review		15 September 2021