Addshore added a comment.
I have no idea how these queries would perform, but they are scary and I don't think we should be running them on the production master DB. If cleanup is wanted from some sort of maintenance script it should probably use batches of deletes and or selects. For point 4 in the task description, I don't see where the extra work really comes from? The logic for cleaning up the tables is the same and needs to be written no matter what, it will just be wrapped in some deferring code. We decided at some point that we can't do 1, so the Dev work need to happen. The maintenance script just sounds like another thing that we need to keep running, make sure it's deleting, and will be slow. Deleting them as part of the save could be fine, but it will make saving slower, deferring this cleanup is just to keep saves as lean as possible. TASK DETAIL https://phabricator.wikimedia.org/T220150 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Addshore Cc: Ladsgroup, Addshore, alaa_wmde, Aklapper, JeroenDeDauw, Nandana, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, _jensen, rosalieper, Wikidata-bugs, aude, Lydia_Pintscher, Mbch331
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