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From: Tom Lane <[email protected]>
To: David Mullineux <[email protected]>
Cc: Frédéric Yhuel <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: [email protected]
Subject: Re: Has gen_random_uuid() gotten much slower in v17?
Date: Wed, 20 Nov 2024 17:26:29 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAGsyd8XhEahQab+3wj_tH+WVhZQxqAix=vr3SuDaganSQEk4ZQ@mail.gmail.com>
References: <CAGsyd8XBE7Ksq2Z75CTStrjSswOjVUE8S+i7qq1hGvYRj+_bcA@mail.gmail.com>
	<[email protected]>
	<CAGsyd8VBW+zwYuLEiJ3JC5NCFveumUiwhJQoS_-zvhnyfARcbQ@mail.gmail.com>
	<[email protected]>
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	<CAGsyd8XhEahQab+3wj_tH+WVhZQxqAix=vr3SuDaganSQEk4ZQ@mail.gmail.com>

[ please don't top-quote, it makes the conversation hard to follow ]

David Mullineux <[email protected]> writes:
> On Wed, 20 Nov 2024, 15:46 Tom Lane, <[email protected]> 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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