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Bluesky April 2026 Outage Post-Mortem

94 points by jcalabro

by threecheese

5 subcomments

> What I had missed is that we deployed a new internal service last week that sent less than three GetPostRecord requests per second, but it did sometimes send batches of 15-20 thousand URIs at a time. Typically, we'd probably be doing between 1-50 post lookups per request.
That’ll do it.

by tapoxi

4 subcomments

I don't really understand this architecture, but I thought Bluesky was distributed like Mastodon? How can it have an outage?

by mwkaufma

0 subcomment

Tell us more about this buggy "new internal service" that's scraping batch data :P

by drewg123

3 subcomments

Golang's use of a potentially unbounded number of threads is just insane. I used to be fairly bullish on golang, but this, combined with the fact that its garbage collected, makes me feel its just unsuitable for production use.

by goekjclo

0 subcomment

> The timing of these log spikes lined up with drops in user-facing traffic, which makes sense. Our data plane heavily uses memcached to keep load off our main Scylla database, and if we're exhausting ports, that's a huge problem.
I expect this is common.

by pembrook

1 subcomments

Distributed social media goes down? hrmmm.
Email and the internet don't have "downtime." Certain key infra providers do of course. ISPs can go down. DNS providers can go down. But the internet and email itself can't go down absent a global electricity outage.
You haven't built a decentralized network until you reach that standard imo. Otherwise its just "distributed protocol" cosplay. Nice costume. Kind of like how everybody has been amnesia'd into thinking Obsidian is open source when it really isn't.

by gsibble

2 subcomments

by electrondood

0 subcomment

by rvz

0 subcomment

by jonstaab

2 subcomments

by dogemaster2027

0 subcomment

by templar_snow

1 subcomments

by jmclnx

0 subcomment

Lite Blue on a dark Blue background. That is a new one, I have seen grey text on lite grey, but blue on blue ?
The article does work in lynx, at least I can read it.