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by michaelt
664 days ago
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When the competition is a random 128 bit number, you can assume you've got a 32 bit node count (4.3 billion nodes) a 45 bit millisecond count (1100 years) and you've still got 51 bits letting each node generate 2 quadrillion IDs per millisecond. The real benefit of UUIDs is the 'consistency' of the one-size-fits-most approach. If you can do without IDs humans can read out, or readable plain text logs, or compressibility, or recognisable formats for different types of ID? Then UUIDs can be used for anything from customer orders to web requests to log lines. |
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