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help / color / mirror / Atom feedFrom: Andres Freund <[email protected]>
To: Jan Wieck <[email protected]>
Cc: Amit Kapila <[email protected]>
Cc: Aleksander Alekseev <[email protected]>
Cc: pgsql-hackers <[email protected]>
Cc: shveta malik <[email protected]>
Cc: Zhijie Hou (Fujitsu) <[email protected]>
Cc: [email protected]
Subject: Re: Commit Timestamp and LSN Inversion issue
Date: Thu, 7 Nov 2024 16:38:09 -0500
Message-ID: <bn4md3aoj25vvcavsoan4gqeqhgm37raqvxanxjagomn67khpn@752bxw7nil2x> (raw)
In-Reply-To: <[email protected]>
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<[email protected]>
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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Subject: Re: Commit Timestamp and LSN Inversion issue
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