Horton

Re: RFC: Allow EXPLAIN to Output Page Fault Information

Jelte Fennema-Nio <postgres@jeltef.nl>

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From: Jelte Fennema-Nio <postgres@jeltef.nl>
To: Atsushi Torikoshi <torikoshia.tech@gmail.com>
Cc: vellaipandiyan sm <vellaipandiyan.sm@gmail.com>, torikoshia <torikoshia@oss.nttdata.com>, Pgsql Hackers <pgsql-hackers@postgresql.org>, Tomas Vondra <tomas@vondra.me>
Date: 2026-05-24T09:50:00Z
Lists: pgsql-hackers 
On Fri, 22 May 2026 at 18:07, Atsushi Torikoshi
<torikoshia.tech@gmail.com> wrote:
> Updated the patch to clarify that the reported values include not only
> the backend process executing the query, but also any parallel query
> worker processes involved in the query.

For PG19 Tomas added an IO option to EXPLAIN. I think it would be
better to have the Storage IO tracking be enabled by the IO option,
rather than the BUFFERS option.