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A comment on UUIDs are popular, but bad for performance (2019). Parent comment

Re:UUIDs are popular, but bad for performance (2019) by mdasen on Saturday January 08, 2022 @10:32AM (#29852574)
They do test a binary(16) field which is basically what you're talking about (and you could use a binary(32) for a 128-bit UUID).
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Re:UUIDs are popular, but bad for performance (2019) by ectopod on Saturday January 08, 2022 @11:02AM (#29852881)
16 bytes is 128 bits. Why would you use 32?
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