Re: [PATCH] Add memory usage reporting to VACUUM VERBOSE - Mailing list pgsql-hackers

On Mon, Dec 29, 2025 at 7:24 PM Tatsuya Kawata
<kawatatatsuya0913@gmail.com> wrote:
>
> Hi Sawada-san and Chao-san,
>
> Thank you both for your continued reviews and feedback on this patch.I agree with both points that could be
misleading.
> I've updated the message as follows:
>
> memory usage: dead item storage %.2f MB accumulated across %d resets (limit %.2f MB each)
>
> This wording:
> - Use both "memory usage:" prefix  and "dead item storage" to be consistent with other existing log lines (buffer
usage:,WAL usage:, system usage:) and to clarify what kind of memory we're reporting 
> - Clearly indicate that the value is a cumulative sum of snapshots, not actual memory allocation
> - Use "across %d resets" to show the relationship between the accumulated value and reset count
> - Keep "limit %.2f MB each" to indicate the per-reset memory limit
>
> Please find attached the v11 patch.
>

The patch looks good to me, so I've pushed the patch.

Kawata-san, my apologies, I missed to credit your name as the author.

Regards,

--
Masahiko Sawada
Amazon Web Services: https://aws.amazon.com