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From: Jeff Davis <pgsql@j-davis.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Heikki Linnakangas <hlinnaka@iki.fi>
Cc: pgsql-hackers@postgresql.org
Subject: Re: Is this a problem in GenericXLogFinish()?
Date: Tue, 17 Oct 2023 09:38:27 -0700
Message-ID: <d54c5738052eead54d65e4fd3667f161aa447680.camel@j-davis.com> (raw)
In-Reply-To: <CA+TgmoZ54E0w5vCXYRAFKnunZy_SKB-4rbFq+7L=qUgFUYdtfQ@mail.gmail.com>
References: <d2c31606e6bb9b83a02ed4835d65191b38d4ba12.camel@j-davis.com>
	<25104133-7df8-cae3-b9a2-1c0aaa1c094a@iki.fi>
	<399492009193fa2c37a61b630e4449546a550039.camel@j-davis.com>
	<c84114f8-c7f1-5b57-f85a-3adc31e1a904@iki.fi>
	<146426fc662f88604c700a72a3833b1919922f9e.camel@j-davis.com>
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	<57c59f08bbb92875251dc97dbc47600fa237712c.camel@j-davis.com>
	<50bebdf8bbf79475e3fc0fff398d77b1577c1b97.camel@j-davis.com>
	<bf396b45-318a-4940-87eb-3d295a93da8b@iki.fi>
	<b1f2d0f230d60fa8df33bb0b2af3236fde9d750d.camel@j-davis.com>
	<CA+TgmoZ54E0w5vCXYRAFKnunZy_SKB-4rbFq+7L=qUgFUYdtfQ@mail.gmail.com>

On Tue, 2023-10-17 at 08:41 -0400, Robert Haas wrote:
> Sorry, I'm not sure I understand the question. Are you asking whether
> dirtying buffers unnecessarily might be slower than not doing that?

I meant: are those cleanup operations frequent enough that dirtying
those buffers in that case would matter?

Regards,
	Jeff Davis






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