this post was submitted on 21 Aug 2023
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Why so many POST requests? (lemmy.world)
submitted 1 year ago* (last edited 1 year ago) by namelivia@lemmy.world to c/fediverse@lemmy.ml
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I've been running my self-hosted one user Pleroma (like Mastodon) instance. When I discovered Lemmy I started following some communities from it and also posted some comments.

Since then lemmy.ml makes one request per second to my /inbox url.

Can someone who knows ActivityPub explain why is necessary one request per second always? What are all these POST requests for?

On top of that, is there any way to tell a server or a relay to stop sending information to my inbox? Like if for example I followed someone in that server, but I don't follow them anymore, is there any way to tell the remote server to stop? If I start returning a 403 or something like that will it stop?

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[โ€“] pnutzh4x0r@lemmy.ndlug.org 7 points 1 year ago (1 children)

POSTs are how federation works (ActivityPub is a Push-based protocol). When you "subscribe" to a community on say lemmy.ml, you are telling it to periodically send you updates about that community. This comes in the form of POSTS.

As to the frequency of the POSTs, I can imagine something like lemmy.ml having a lot of activity that it needs to inform your instance of (new votes, new comments, new posts, etc)... but I'm not sure if one request per second is reasonable or not.

[โ€“] namelivia@lemmy.world 1 points 1 year ago

I see, thanks!