Marostegui added a comment.
Some more details. There were a few long running queries | 669154401 | wikiuser | 10.64.0.59:40112 | wikidatawiki | Query | 95780 | Sending data | SELECT /* SpecialRecentChanges::doMainQuery */ rc_id,rc_timestamp,rc_namespace,rc_title,rc_ Those queries were running for hours and as the query killer wasn't enabled due to a mariadb 10.4 bug (T247728 <https://phabricator.wikimedia.org/T247728>), they were causing 3-5 seconds of continued lag. TASK DETAIL https://phabricator.wikimedia.org/T252952 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Addshore, Marostegui Cc: WMDE-leszek, darthmon_wmde, Lea_Lacroix_WMDE, Marostegui, jcrespo, Ladsgroup, Lydia_Pintscher, Pasleim, Addshore, Liuxinyu970226, Aklapper, Bugreporter, Blissjay007, Oblanco79, Alter-paule, Beast1978, Un1tY, Hook696, Daryl-TTMG, RomaAmorRoma, E.S.A-Sheild, Iflorez, Kent7301, alaa_wmde, Meekrab2012, joker88john, Legado_Shulgin, CucyNoiD, Nandana, NebulousIris, Gaboe420, Versusxo, Majesticalreaper22, Giuliamocci, Davinaclare77, Adrian1985, Qtn1293, Cpaulf30, Techguru.pc, Lahi, Gq86, Af420, Darkminds3113, Bsandipan, Lordiis, GoranSMilovanovic, Adik2382, Th3d3v1ls, Hfbn0, Ramalepe, Liugev6, QZanden, LawExplorer, WSH1906, Lewizho99, Minhnv-2809, Zppix, Maathavan, _jensen, rosalieper, Scott_WUaS, Jonas, Wong128hk, Wikidata-bugs, aude, faidon, Mbch331, Rxy, Jay8g, Krenair, fgiunchedi
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