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Re: walsender performance regression due to logical decoding on standby changes - Mailing list pgsql-hackers

From Masahiko Sawada
Subject Re: walsender performance regression due to logical decoding on standby changes
Date
Msg-id CAD21AoCv+9KyQ0BCNnd5CH53GNshSgGzvzt1JQkhueh8XnSi7A@mail.gmail.com
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In response to Re: walsender performance regression due to logical decoding on standby changes  (Thomas Munro <thomas.munro@gmail.com>)
Responses Re: walsender performance regression due to logical decoding on standby changes
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On Mon, May 15, 2023 at 1:49 PM Thomas Munro <thomas.munro@gmail.com> wrote:
>
> On Fri, May 12, 2023 at 11:58 PM Bharath Rupireddy
> <bharath.rupireddyforpostgres@gmail.com> wrote:
> > Andres, rightly put it - 'mis-using' CV infrastructure. It is simple,
> > works, and makes the WalSndWakeup() easy solving the performance
> > regression.
>
> Yeah, this seems OK, and better than the complicated alternatives.  If
> one day we want to implement CVs some other way so that this
> I-know-that-CVs-are-really-made-out-of-latches abstraction leak
> becomes a problem, and we still need this, well then we can make a
> separate latch-wait-list thing.

+1

Regards,

--
Masahiko Sawada
Amazon Web Services: https://aws.amazon.com

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