Re: Commit Timestamp and LSN Inversion issue

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От Andres Freund
Тема Re: Commit Timestamp and LSN Inversion issue
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Msg-id bn4md3aoj25vvcavsoan4gqeqhgm37raqvxanxjagomn67khpn@752bxw7nil2x
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Ответ на Re: Commit Timestamp and LSN Inversion issue  (Jan Wieck <jan@wi3ck.info>)
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Hi,

On 2024-11-07 15:05:31 -0500, Jan Wieck wrote:
> On 11/7/24 13:19, Andres Freund wrote:
> > I think it's *completely* unacceptable to call a hook inside
> > ReserveXLogInsertLocation, with the spinlock held, no less. That's the most
> > contended section of code in postgres.
> 
> Aside from your technical concerns, can we at least agree that the commit-ts
> vs LSN inversion is a problem that should get addressed?

I'm not against addressing it, but I'd consider it not a high priority and
that the acceptable cost (both runtime and maintenance) of it should would
need to be extremely low.

Greetings,

Andres Freund



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