Re: Improve heapgetpage() performance, overhead from serializable

From: Andres Freund <andres(at)anarazel(dot)de>
To: John Naylor <johncnaylorls(at)gmail(dot)com>
Cc: Zhang Mingli <zmlpostgres(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Subject: Re: Improve heapgetpage() performance, overhead from serializable
Date: 2024-04-07 04:49:35
Message-ID: 20240407044935.ox4d3limgt5g3re3@awork3.anarazel.de
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Hi,

On 2024-01-22 13:01:31 +0700, John Naylor wrote:
> On Mon, Jul 17, 2023 at 9:58 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> > And 397->320ms
> > for something as core as this, is imo worth considering on its own.
>
> Hi Andres, this interesting work seems to have fallen off the radar --
> are you still planning to move forward with this for v17?

I had completely forgotten about this patch, but some discussion around
streaming read reminded me of it. Here's a rebased version, with conflicts
resolved and very light comment polish and a commit message. Given that
there's been no changes otherwise in the last months, I'm inclined to push in
a few hours.

Greetings,

Andres Freund

Attachment Content-Type Size
v2-0001-Reduce-branches-in-heapgetpage-s-per-tuple-loop.patch text/x-diff 5.0 KB

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