Horton

Re: Introduce WAIT_EVENT_EXTENSION and WAIT_EVENT_BUFFER_PIN

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Andres Freund <andres@anarazel.de>
Cc: Michael Paquier <michael@paquier.xyz>, "Drouvot, Bertrand" <bertranddrouvot.pg@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2023-05-18T16:28:20Z
Lists: pgsql-hackers 
On Wed, May 17, 2023 at 7:38 PM Andres Freund <andres@anarazel.de> wrote:
> On 2023-05-17 09:22:19 -0400, Robert Haas wrote:
> > Adding pgstat_get_wait_extension adds runtime cost for no corresponding
> > benefit. Having a special case in the code to avoid that seems worthwhile.
>
> I don't think that should ever be used in a path where performance is
> relevant?

I mean, I agree that it would probably be hard to measure any real
performance difference. But I'm not sure that's a good reason to add
cycles to a path where we don't really need to.

-- 
Robert Haas
EDB: http://www.enterprisedb.com

Commits

  1. Refactor some code related to wait events "BufferPin" and "Extension"