[17:09:00] <wikibugs>	 10DBA, 10MediaWiki-extensions-Renameuser, 13Patch-For-Review, 07Performance: Rename user creates lag on enwiki - https://phabricator.wikimedia.org/T116425#2522960 (10jcrespo) p:05Triage>03Unbreak! This caused for the second time in a week lag on db1036, afecting all s2 users' watchlist, contributions a...
[17:13:01] <wikibugs>	 10DBA, 10MediaWiki-extensions-Renameuser, 07Performance, 07Wikimedia-Incident: Rename user creates lag on enwiki - https://phabricator.wikimedia.org/T116425#2522995 (10jcrespo)
[17:21:52] <wikibugs>	 10DBA, 10MediaWiki-extensions-Renameuser, 07Performance, 07Wikimedia-Incident: Rename user creates lag on enwiki - https://phabricator.wikimedia.org/T116425#2523048 (10jcrespo) Here it is the list of queries (I didn't copy it here to avoid exposing account info), they are not individually that large, maybe...
[19:51:21] <wikibugs>	 10DBA, 10MediaWiki-extensions-Renameuser, 13Patch-For-Review, 07Performance, 07Wikimedia-Incident: Rename user creates lag on enwiki - https://phabricator.wikimedia.org/T116425#2523704 (10aaron) LoadBalancer::waitForAll() does not check 0-load slaves, so if it can't keep up with the other DBs it would en...
[20:26:25] <wikibugs>	 10DBA, 10MediaWiki-extensions-Renameuser, 13Patch-For-Review, 07Performance, 07Wikimedia-Incident: Rename user creates lag on enwiki - https://phabricator.wikimedia.org/T116425#2523842 (10jcrespo) p:05Unbreak!>03High Knowing that, I can put the ones we care with 1 load, fixing the issue by configurat...
[20:40:16] <wikibugs>	 10DBA, 10MediaWiki-extensions-Renameuser, 13Patch-For-Review, 07Performance, 07Wikimedia-Incident: Rename user creates lag on enwiki - https://phabricator.wikimedia.org/T116425#2523959 (10aaron) 05Open>03Resolved I opened T142135 instead, since this isn't specific to rename user.