@mathiasverraes@mastodon.social
2025-08-15 14:50 UTC
There are only two hard problems in distributed systems:
2. Exactly-once delivery
1. Guaranteed order of messages
2. Exactly-once delivery
Replies (5)
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@mathiasverraes@mastodon.social 2025-08-15 14:51
It's the 10th anniversary of this joke. I originally posted it on Twitter, and I felt it deserved a new home. It has been quoted in books, presentations, academic lectures, and t-shirts, and it's probably the only thing I'll be remembered for 🤣
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@magnetic_tape@infosec.exchange 2025-08-16 10:52
@mathiasverraes "Knock knock Race condition Who's there?"
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@devlogic@masto.hackers.town 2025-08-21 08:38
@mathiasverraes in computers and timing, comedy is everything
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@m0xEE@nosh0b10.m0xee.net 2025-08-21 09:17
@mathiasverraes@mastodon.social In case with Fedi at-least-once delivery is also a problem at times… Oh, I see, it was supposed to be on the list, but never got delivered 😅
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@Sobex@social.sciences.re 2025-08-21 10:05
@mathiasverraes Isn't it 3 hard problems ? (You don't state the last problem, that's the point)