[cp9]

at least for awhile this is how bluesky/atproto worked. afaik they only ran into issues when the number of users on each server overwhelmed how many files would fit comfortably in a single directory (which is obviously a large number)

https://news.ycombinator.com/item?id=38171322

[pfraze]

that's still how it works, we just shard our users across multiple hosts