this post was submitted on 31 Jul 2023
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Ugh.

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[โ€“] [email protected] 1 points 1 year ago (1 children)
[โ€“] [email protected] 1 points 1 year ago

lemmy.ca staff was so frustrated with performance problems a couple weekends ago they cloned a copy of their database Running AUTO_EXPLAIN revealed site_aggregates logic in Lemmy was doing comment = comment + 1 counting against 1500 rows, for every known Lemmy instance in the database, instead of just writing 1 row.