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Bluesky April 2026 Outage Post-Mortem

pckt.blog

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Re: Bluesky April 2026 Outage Post-Mortem

#33
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.

Re: Bluesky April 2026 Outage Post-Mortem

#34

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 e…

Bluesky is a provider. Blacksky didn’t go down.

Re: Bluesky April 2026 Outage Post-Mortem

#35

> 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.

And then they fix the issue by using multiple localhost IPs rather than, perhaps, not sending 15-20 thousand URIs at a time

They mentioned it was a temporary fix that they removed after finding and fixing the true root cause, though.

Re: Bluesky April 2026 Outage Post-Mortem

#36

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 e…

Bluesky is a provider. Blacksky didn’t go down.

Is there anything running on Blacksky other than Bluesky with more than say, 100 active users?

AOL never even got to that level of dominance in the internet 1.0 era.

The point is it's not a distributed network if one node is 99.9% of all traffic.

Re: Bluesky April 2026 Outage Post-Mortem

#37
post #11

nostr never goes down

All support to other decentralizers but nothing never goes down.

The comparison here is to something like TCP/IP. TCP/IP never goes down. TCP/IP is a protocol, the servers may go down and cause disruption, but the protocol doesn't really have the ability to "go down". Nostr is also a protocol. The communication on top of Nostr is pretty resilient compared to other solutions though, so that's the main highlight here.

If tens of servers go down, then some people may start noticing a bit of inconvenience. If hundreds of servers go down, then some people may need to coordinate out of bound on what relays to use, but it still generally speaking works ok.

Re: Bluesky April 2026 Outage Post-Mortem

#40

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.

Why does garbage collection make it unsuitable for production use? A lot of production software is written in garbage collected languages like Java. Pretty much the entire backend for iTunes/Apple Music is written in Java, and it's not doing any kind of fancy bump allocator tricks to avoid garbage. In my mind, kind of hard to argue that Apple Music is not "production use".

There are certainly plenty of projects where garbage collection is too slow, but I don't know that they're the majority, and more people would likely prefer memory safety by default.

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