| Addshore added a subscriber: Niharika. Addshore added a comment. |
This is all done for testwikidatawiki now (thanks @Niharika) and the new lock manager works as expected.
I'll follow up and do this for real wikidata in a few days or so (maybe at wikimania)
Some steps that should work and keep this nice and hidden from the users would be:
- Prep
- Turn off the alarm for dispatch lag for wikidata
- Change the maxlag factor for dispatching (as we know we are going to make the maxlag go up (lets not block people...)
- Stop dispatching
- Merge a patch stopping new script runs from dispatching (similar to https://gerrit.wikimedia.org/r/#/c/operations/mediawiki-config/+/430924/)
- Make sure the next cron run starts and immediately stop
- Kill dispatchChanges.php processes for wikidatawiki on mwmaint1001
- Make the config change
- Switch to the new lock manager https://gerrit.wikimedia.org/r/#/c/operations/mediawiki-config/+/395967/
- Start dispatching
- Revert the patch stopping new script runs
- Wait for a new script run and verify it is properful functioning
- Revert the patch stopping new script runs
- Once dispatch is at normal levels
- Revert the change to maxlag dispatch factor
- Turn back on the dispatch alarm
TASK DETAIL
EMAIL PREFERENCES
To: Addshore
Cc: Niharika, Stashbot, aaron, gerritbot, Ladsgroup, daniel, Lydia_Pintscher, Addshore, Aklapper, hoo, Gaboe420, Versusxo, Majesticalreaper22, Giuliamocci, Adrian1985, Cpaulf30, Lahi, Gq86, Baloch007, Darkminds3113, Bsandipan, Lordiis, GoranSMilovanovic, Adik2382, Jayprakash12345, Th3d3v1ls, Ramalepe, Liugev6, QZanden, Zoranzoki21, LawExplorer, Lewizho99, Maathavan, DatGuy, Devwaker, Niklitov, Urbanecm, JEumerus, Jonas, Tulsi_Bhagat, Wong128hk, Luke081515, SimmeD, Wikidata-bugs, Snowolf, aude, Dcljr, Jdforrester-WMF, Matanya, Mbch331, Rxy, Jay8g, Krenair
Cc: Niharika, Stashbot, aaron, gerritbot, Ladsgroup, daniel, Lydia_Pintscher, Addshore, Aklapper, hoo, Gaboe420, Versusxo, Majesticalreaper22, Giuliamocci, Adrian1985, Cpaulf30, Lahi, Gq86, Baloch007, Darkminds3113, Bsandipan, Lordiis, GoranSMilovanovic, Adik2382, Jayprakash12345, Th3d3v1ls, Ramalepe, Liugev6, QZanden, Zoranzoki21, LawExplorer, Lewizho99, Maathavan, DatGuy, Devwaker, Niklitov, Urbanecm, JEumerus, Jonas, Tulsi_Bhagat, Wong128hk, Luke081515, SimmeD, Wikidata-bugs, Snowolf, aude, Dcljr, Jdforrester-WMF, Matanya, Mbch331, Rxy, Jay8g, Krenair
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