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WebSockets cost us $1M on our AWS bill

(www.recall.ai)
257 points tosh | 1 comments | 06 Nov 24 18:50 UTC | HN request time: 0.209s | source
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wiml ◴[06 Nov 24 21:31 UTC] No.42069745[source]▶
> One complicating factor here is that raw video is surprisingly high bandwidth.

It's weird to be living in a world where this is a surprise but here we are.

Nice write up though. Web sockets has a number of nonsensical design decisions, but I wouldn't have expected that this is the one that would be chewing up all your cpu.

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1. sensanaty ◴[06 Nov 24 22:45 UTC] No.42070733[source]▶
I always knew video was "expensive", but my mark for what expensive meant was a good few orders of magnitude off when I researched the topic for a personal project.

I can easily imagine the author being in a similar boat, knowing that it isn't cheap, but then not realizing that expensive in this context truly does mean expensive until they actually started seeing the associated costs.