| From: | Peter Eisentraut <peter(at)eisentraut(dot)org> |
|---|---|
| To: | Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, "Andrey M(dot) Borodin" <x4mmm(at)yandex-team(dot)ru> |
| Cc: | Aleksander Alekseev <aleksander(at)timescale(dot)com>, pgsql-hackers mailing list <pgsql-hackers(at)postgresql(dot)org>, Sergey Prokhorenko <sergeyprokhorenko(at)yahoo(dot)com(dot)au>, Przemysław Sztoch <przemyslaw(at)sztoch(dot)pl>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Mat Arye <mat(at)timescaledb(dot)com>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Nikolay Samokhvalov <samokhvalov(at)gmail(dot)com>, Junwang Zhao <zhjwpku(at)gmail(dot)com> |
| Subject: | Re: UUID v7 |
| Date: | 2024-03-22 12:51:14 |
| Message-ID: | 08ccb447-cce8-491c-a9d4-7f9ac07c0330@eisentraut.org |
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| Lists: | pgsql-hackers |
On 21.03.24 16:21, Jelte Fennema-Nio wrote:
> On Wed, 20 Mar 2024 at 19:08, Andrey M. Borodin <x4mmm(at)yandex-team(dot)ru> wrote:
>> Timer-based bits contribute to global sortability. But the real timers we have are not even millisecond adjusted. We can hope for ~few ms variation in one datacenter or in presence of atomic clocks.
>
> I think the main benefit of using microseconds would not be
> sortability between servers, but sortability between backends.
There is that, and there are also multiple backend workers for one session.
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