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Re: Has gen_random_uuid() gotten much slower in v17? - Mailing list pgsql-performance

From Tom Lane
Subject Re: Has gen_random_uuid() gotten much slower in v17?
Date
Msg-id 258673.1732141589@sss.pgh.pa.us
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In response to Re: Has gen_random_uuid() gotten much slower in v17?  (David Mullineux <dmullx@gmail.com>)
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[ please don't top-quote, it makes the conversation hard to follow ]

David Mullineux <dmullx@gmail.com> writes:
> On Wed, 20 Nov 2024, 15:46 Tom Lane, <tgl@sss.pgh.pa.us> wrote:
>> Yeah.  Also, are you building with openssl, or not?

> No, not at all!

If you're not using openssl, then gen_random_uuid basically devolves
to a read of /dev/urandom.  Maybe you're using a different kernel
than before, and it has different properties around that?

            regards, tom lane

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