public inbox for pgsql-hackers@postgresql.org  
help / color / mirror / Atom feed
From: Andres Freund <andres@anarazel.de>
To: Jelte Fennema-Nio <postgres@jeltef.nl>
Cc: torikoshia <torikoshia@oss.nttdata.com>
Cc: pgsql-hackers@postgresql.org
Cc: rjuju123@gmail.com
Cc: tgl@sss.pgh.pa.us
Cc: Bruce Momjian <bruce@momjian.us>
Subject: Re: RFC: Allow EXPLAIN to Output Page Fault Information
Date: Sun, 9 Feb 2025 12:59:27 -0500
Message-ID: <myw76agwrlmisvamwbfl6ibxgwh5glzitydiwnfmtb5aui232i@274yxxtnbnsp> (raw)
In-Reply-To: <CAGECzQQdc-k=M2fMCKa98kVZntc=6d3rpd6edt8Qs45cayfUeQ@mail.gmail.com>
References: <D6MJOHS7HZ80.3B17NDGUV6T47@jeltef.nl>
	<Z3LII9YEgp3kAZG-@momjian.us>
	<3861403.1735576764@sss.pgh.pa.us>
	<D6PENGW1PL79.266GQNPSMRIGA@jeltef.nl>
	<1f22794321b745549d54359d343e37b8@oss.nttdata.com>
	<D6V9GJ2LOLC5.1ZF3BWKKEBZWC@jeltef.nl>
	<CAM6-o=BE=oewSsdNKrbbNjR2muzQR49STXsuta+Wpq6CSyxTag@mail.gmail.com>
	<2c9d6eaf26df17bec13bb03bf1e9bcbb@oss.nttdata.com>
	<CAGECzQRvcLx44N3zd_DGCjY02XX4AqXX8mq4BiS8C9Froy+Jhg@mail.gmail.com>
	<CAGECzQQdc-k=M2fMCKa98kVZntc=6d3rpd6edt8Qs45cayfUeQ@mail.gmail.com>

Hi,

On 2025-02-09 12:51:40 +0100, Jelte Fennema-Nio wrote:
> On Sat, 8 Feb 2025 at 14:54, Jelte Fennema-Nio <postgres@jeltef.nl> wrote:
> > I'll play around with it a bit next week.
> 
> Okay, I played around with it and couldn't find any issues. I marked
> the patch as "ready for committer" in the commitfest app[1], given
> that all feedback in my previous email was very minor.

I'm somewhat against this patch, as it's fairly fundamentally incompatible
with AIO. There's no real way to get information in this manner if the IO
isn't executed synchronously in process context...

Greetings,

Andres






reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-hackers@postgresql.org
  Cc: andres@anarazel.de, postgres@jeltef.nl, torikoshia@oss.nttdata.com, rjuju123@gmail.com, tgl@sss.pgh.pa.us, bruce@momjian.us
  Subject: Re: RFC: Allow EXPLAIN to Output Page Fault Information
  In-Reply-To: <myw76agwrlmisvamwbfl6ibxgwh5glzitydiwnfmtb5aui232i@274yxxtnbnsp>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox