this post was submitted on 05 Jun 2023
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Yes; configuration settings for the web server involving improving performance. Those settings have been changed back to the previous, non-issue ones. So this should not occur at this time, or again.
Is this a mistake that's easy to do for an inexperienced instance admin or just a consequence of too much fiddling and shouldn't be an issue for other instances?
Was a result of too much fiddling. Attempting to gain even better performance from a bottleneck issue due to recent user influx. It was not an error in the Lemmy instance or Lemmy-UI but rather the web server front-end misconfiguration.
Thanks for working through these issues and improving performance of the website! Very appreciated. I've been tempted recently to create my own Lemmy instance, was this a problem with an nginx configuration option? How much does Beehaw deviate from a standard Lemmy deployment?
Feel free to answer vaguely if you don't feel comfortable with giving away the details : )
Basically, this was
proxy_cache_keybeing configured incorrectly. If you don't use theproxy_cacheyou should be fine.The only thing we changed from the norm is
ulimits and some nginx settings. If we figure out what works well, we'll probably create a post about how to host lemmy. If you stick to the defaults, you'll be mostly fine if your instance isn't as big as Beehaw's.Awesome! Thanks for the response. I'd love a post sometime on hosting Lemmy. I'd find it very interesting and useful!
Im also considering to setup nginx caching for lemmy.ml. Did you find a configuration which works?
Not yet. Session tracking in Lemmy is pretty hard to proxy, I'll have to dive into the code to figure out why.
Have a look at this: https://github.com/LemmyNet/lemmy-ansible/pull/75
Sending proper cache-control headers from Lemmy will require some big code changes though.
Yes.
Deviation is pretty minimal, related to configuration and customization.