2y ago

Why do deleted OPs and comments keep showing up on other instances like lemmy.ml?

Search for 'juridisch advies' on lemmy.world
You should find the community 'juridisch' on feddit.nl:

Find the OP: 'Vraagt een verhuurder meer dan twee maanden borg? Betaalt een verhuurder niet op tijd terug? Vanaf zaterdag is dat niet meer toegestaan.'
Click on it
Click on my username

You can find various of my OPs and comments, but I deleted them days ago on the feddit.nl instance. These OPs aren't visible on the feddit.nl instance, but they're visible on lemmy.world.

Why? The same goes for lemmy.ml, but it concerns a different number of OPs and comments.

5 comments

This might have to do with downtime on lemmy.world and lemmy.ml which prevented them from getting the request to delete the comment.
- If that's so, these instances (and who knows which other ones in the world) now host OPs and comments that I as an author decided to delete.
  How does one delete information from the fediverse? If this is true, you cannot. Your data will be hosted forever, at least somewhere.
  If people use their personal name for an account, this might result in a significant GDPR problem for all instances.
  
  Yes, posts can remain on some rogue servers forever.
  Up until recently, deleted posts were stored in all server’s databases forever, just with a deleted flag next to them. It was recently changed to purge after 30 days. Even so, someone could setup a server that ignores all deletes and will still retain them forever.
  For privacy, editing your post first may be useful as that seems to propagate faster. This could still suffer from the same rogue server issue not respecting edits.
  This is a problem that doesn’t seem to have an answer yet.
  
  Yes, that is a known problem with the Fediverse model, and we probably would be seeing court cases in the future. There is no way to compel everybody to delete the data on their servers.