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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RoundSparrow@lemmy.ml

RoundSparrow@bulletintree.com

Lemmy's Rust code - interfacing to PostgreSQL, http methods for federation connections inbound and outbound (lemmy.ml)

submitted 2 years ago by RoundSparrow@lemmy.ml to c/lemmyperformance@lemmy.ml

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Can we get some Rust guys to chime in on the SQL wrapping that Rust is doing?

Can I butcher the Lemmy code to get the Rust code to measure the time it is taking for each SQL activity and return it in the API calls?

Also the outbound and inbound federation connections to peer servers. Can we hack in some logging on how long each of these is taking, outside the RUST_LOG stuff going on?

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