Re: walsender performance regression due to logical decoding on standby changes

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От Thomas Munro
Тема Re: walsender performance regression due to logical decoding on standby changes
Дата
Msg-id CA+hUKG+iywOmdiGMOegUXuVDQzhgpSx9c5vpzOvYUEVDu_gZBQ@mail.gmail.com
обсуждение исходный текст
Ответ на Re: walsender performance regression due to logical decoding on standby changes  (Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>)
Ответы Re: walsender performance regression due to logical decoding on standby changes  (Masahiko Sawada <sawada.mshk@gmail.com>)
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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.

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