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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lemmy_server API for Clients and Federation alike, concurrency self-awareness, load sheding, and self-tuning (lemmy.ml)

submitted 1 year ago by [email protected] to c/[email protected]

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Heavy loads have been brought up several times, major social events where people flock to social media. Such as a terrorist bombing, submarine sinking, earthquake, nuclear meltdown, celebrity airplane crash, etc.

Low-budget hosting to compete with the tech giants is also a general concern for the project. Trying not to have a server that uses tons of expensive resources during some peak usage.

Load shedding and self-tuning within the code and for SysOps to have some idea if their Lemmy server is nearing overload thresholds.

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