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[Done - for now...] Expect some brief restarts today (Jun 12 CET) (self.lemmyworld)

submitted 1 year ago* (last edited 1 year ago) by ruud to c/lemmyworld

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I'm trying to fix this annoying slowness when posting to larger communities. (Just try replying here...) I'll be doing some restarts of the docker stack and nginx.

Sorry for the inconvenience.

Edit: Well I've changed the nginx from running in a docker container to running on the host, but that hasn't solved the posting slowness..

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[–] [email protected] 3 points 1 year ago* (last edited 1 year ago) (2 children)

Somehow I don’t think the slowness when posting or saving is due to the nginx server / reverse proxy running inside the Lemmy container.

I would think it’s related to inserts and updates in the DB, but I haven’t had time to look into it on my instance, sorry!

Edit wait! Posting and saving is fast now! What did you change? Nicely done! 👍

[–] ruud 5 points 1 year ago (1 children)

No it's not! Not for me anyway. Yes I'll be looking into that, but first migrate the server!

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

Oh wait, that’s because I’m posting to Lemmy.world from my instance. It’s only slow when posting to Lemmy.world from a Lemmy.world user.

With that in mind, it makes me think it has something to do with some insert or update that happens. My local DB is not under load, so my save is fast. Lemmy.world’s DB is under load so the save is slow.

It might not even be the insert/update that is slow. Could be some other insert into another table that gets triggered on save that is the culprit.

[–] veroxii 3 points 1 year ago (1 children)

Posting seems faster when posting to a non-local federated community. Maybe that's what you experienced?

[–] [email protected] 2 points 1 year ago

You are right. Good catch.