Post

Wait, so the recommended limit for CBOR record size is 1MiB but the hard limit for record blocks in sync 1.1 commits is 1MB. So you can write the record but the relays will choke on it atproto.com/specs/sync#c... atproto.com/guides/data-...

atproto.comData Validation - AT ProtocolExpectations around recommended data limits and validation

garrison

@garrison.corporate.fm

@bad-example.com ever run into this?

johanna

@jola.dev

Well, both relay.fire.hose.cam and relay3.fr.hose.cam were erroring and instantly reconnecting on my PDS today for about an hour, tens of thousands of times, until I cleaned up the very large record I happened to have

17/10/26, 9:17 pm0 reposts4 likes

garrison

@garrison.corporate.fm

lol, that's unfortunate. cc @zzstoatzz.io as well

nate

@zzstoatzz.io

i think zlay and hydrant (otoh) would back off here, not reconnect storm

That one too!

Here's my postgres desperately trying to serve the backfill query and 50 subscribeRepos per second on tranquil

The Projekt

@wearetheprojekt.bsky.social

Backfill plus 50 subscribeRepos a second on one Postgres is two workloads fighting over one buffer cache. A read replica for the backfill keeps the firehose writes from stalling behind it.