jcrespo added a comment.
I killed SpecialFewestRevisions::reallyDoQuery because it was causing the host (s8, db1101) where it was running to lag for 1-2 seconds, enough for queries waiting for replication to take a dive in performance, and logging hundreds of thousands of db errors. Long running queries are ok on a vslow server, but I wonder if we could make them in smaller batches (slow overal) to not tank the writes. TASK DETAIL https://phabricator.wikimedia.org/T238199 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: jcrespo Cc: jcrespo, Addshore, Lydia_Pintscher, Aklapper, matmarex, Ladsgroup, Marostegui, Adidsone1, darthmon_wmde, DannyS712, Nandana, Phukettaxigroup, Lahi, Gq86, GoranSMilovanovic, Jayprakash12345, QZanden, LawExplorer, _jensen, rosalieper, Scott_WUaS, Wikidata-bugs, aude, Mbch331, Rxy
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