Re: RFC: Allow EXPLAIN to Output Page Fault Information - Mailing list pgsql-hackers

From Andres Freund
Subject Re: RFC: Allow EXPLAIN to Output Page Fault Information
Date
Msg-id myw76agwrlmisvamwbfl6ibxgwh5glzitydiwnfmtb5aui232i@274yxxtnbnsp
Whole thread Raw
In response to Re: RFC: Allow EXPLAIN to Output Page Fault Information  (Jelte Fennema-Nio <postgres@jeltef.nl>)
Responses Re: RFC: Allow EXPLAIN to Output Page Fault Information
List pgsql-hackers
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



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