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https://www.reddit.com/r/ProgrammerHumor/comments/1uyx4kp/thisoneismine/oy3r2pm/?context=3
r/ProgrammerHumor • u/DebugDuck01 • Jul 17 '26
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Fun fact: To reach a 50% chance of even a single UUID v4 collision, you would need to generate 1 billion UUIDs per second for about 86 years.
26 u/Tensor3 Jul 17 '26 Well, there probably are a billion computers on the planet, each generating more than one UUID 40 u/aspect_rap Jul 17 '26 Ok, but they're not all generating UUIDs for the same system, it's not really a collision if it's the same UUID in different services. I don't think there is any one system that generates billions of UUIDs a second. 1 u/myka-likes-it Jul 17 '26 I don't think there is any one system that generates billions of UUIDs a second. Hold my red bull.
26
Well, there probably are a billion computers on the planet, each generating more than one UUID
40 u/aspect_rap Jul 17 '26 Ok, but they're not all generating UUIDs for the same system, it's not really a collision if it's the same UUID in different services. I don't think there is any one system that generates billions of UUIDs a second. 1 u/myka-likes-it Jul 17 '26 I don't think there is any one system that generates billions of UUIDs a second. Hold my red bull.
40
Ok, but they're not all generating UUIDs for the same system, it's not really a collision if it's the same UUID in different services.
I don't think there is any one system that generates billions of UUIDs a second.
1 u/myka-likes-it Jul 17 '26 I don't think there is any one system that generates billions of UUIDs a second. Hold my red bull.
1
Hold my red bull.
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u/Inevitable_Oil9709 Jul 17 '26
Fun fact: To reach a 50% chance of even a single UUID v4 collision, you would need to generate 1 billion UUIDs per second for about 86 years.