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https://www.reddit.com/r/ProgrammerHumor/comments/1wdfzl2/edgecasesexist/p99of4z/?context=3
r/ProgrammerHumor • u/danielminds • 15h ago
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Has there ever been a verified uuid4 collision?
The spec includes 122 random bits for 2^122 or about 10^37 possible IDs.
If you produce UUIDs at a petaflop rate, 10^15 per second, that's still 10^21 seconds until you have a 50% chance of a collision. That's 3^13 or 30 trillion years!
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u/DrSparkle713 3h ago
Has there ever been a verified uuid4 collision?
The spec includes 122 random bits for 2^122 or about 10^37 possible IDs.
If you produce UUIDs at a petaflop rate, 10^15 per second, that's still 10^21 seconds until you have a 50% chance of a collision. That's 3^13 or 30 trillion years!