Lemmy Server Performance

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lemmy_server uses the Diesel ORM that automatically generates SQL statements. There are serious performance problems in June and July 2023 preventing Lemmy from scaling. Topics include caching, PostgreSQL extensions for troubleshooting, Client/Server Code/SQL Data/server operator apps/sever operator API (performance and storage monitoring), etc.

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Big Lemmy server lemmy.world has put into production critical performance fixes from a runaway SQL query identified by analyzing pg_stat_statements output - and greatly reduced their server overload! (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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lemmy.world announcing to public that this is installed on their production server: https://lemmy.world/post/1061471

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[–] [email protected] 10 points 1 year ago

My instance server is now getting over 10 comments a minute delivered by lemmy.world, federation outbound is going much better.