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I'm testing an optimization on lemm.ee (1000x speed-up for subscribed feed) - please let me know if you notice any issues! (lemm.ee)

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

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Hey folks!

I have deployed an unreleased Lemmy optimization on lemm.ee which significantly speeds up the query for loading posts.

So far, all seems good, but if you notice any issues with any of the post feeds, please let me know!

For more context:

Over the past few days, I have noticed a serious degradation for front page load times for some users. I have been trying different optimizations without much success, until I found an idea by @[email protected] to make a relatively small change to the database query for loading posts.

I implemented this idea and made a PR to Lemmy, you can check my PR here: https://github.com/LemmyNet/lemmy/pull/3653. Initial results seem amazing, my personal subscribed feed now loads extremely quickly, and I'm seeing from monitoring that load times should be improved for other lemm.ee users as well!

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[–] [email protected] 17 points 1 year ago

Haha, that reminds me of some story about a dev who had to add a timer/slowdown to the loading progress bar in some software, because when it worked instantly, the users thought that it did not work at all!