Re: index prefetching - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: index prefetching
Date
Msg-id CAH2-WzmMN6=6e0e8c8tVUXxpGdYXGRjAUoG-CR_z6xR7kTAnsA@mail.gmail.com
Whole thread Raw
In response to Re: index prefetching  (Andres Freund <andres@anarazel.de>)
Responses Re: index prefetching
List pgsql-hackers
On Fri, Aug 15, 2025 at 3:28 PM Andres Freund <andres@anarazel.de> wrote:
> >I'm not worried about it. Andres' "not waiting for already-in-progress
> >IO" patch was clearly just a prototype. Just thought it was worth
> >noting here.
>
> Are you confident in that? Because the patch should be extremely cheap in that case.

I'm pretty confident.

> What precisely were you testing?

I'm just running my usual generic pgbench SELECT script, with my usual
settings (so no direct I/O, but with iouring).

--
Peter Geoghegan



pgsql-hackers by date:

Previous
From: Andres Freund
Date:
Subject: Re: index prefetching
Next
From: Andres Freund
Date:
Subject: Re: index prefetching