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Where does Lemmy store upvotes, downvotes, and replies? (lemmy.world)

submitted 1 year ago by Tehhund@lemmy.world to c/asklemmy@lemmy.ml

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Does ActivityPub send those to other instances, or does ActivityPub only send the original post and the rest (upvotes, downvotes, replies) are stored only on the original server where the post was made?

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[-] nutomic@lemmy.ml 1 points 1 year ago

The activities table is cleared out automatically every week, items older than 3 months are deleted. During the update only a smaller number of rows was migrated so the db temporarily was slower. You can manually clear older items in sent_activity and received_activity to free more space.

Actually Im wrong about images, turns out that all remote images are mirrored locally in order to generate thumbnails. 0.19 will have an option to disable that. This could use more improvements, the whole image handling is rather confusing now.

[-] Dave@lemmy.nz 1 points 1 year ago

Thanks for the info! Ior performance reasons it would be nice to have a way to configure how long the cache is kept rather than disable it completely, but I understand you probably have other priorities.

Would disabling the cache remove images cached up to that point?

[-] nutomic@lemmy.ml 1 points 1 year ago

You will have to wait for 0.19 to disable it. Pictrs 0.5 will also add a way to clear old images. See the issue: https://github.com/LemmyNet/lemmy/issues/4053

[-] Dave@lemmy.nz 1 points 1 year ago

That sounds great, thanks for letting me know.

this post was submitted on 15 Oct 2023

142 points (97.3% liked)

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