Re: pgsql: Add memory/disk usage for Window aggregate nodes in EXPLAIN.

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От David Rowley
Тема Re: pgsql: Add memory/disk usage for Window aggregate nodes in EXPLAIN.
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Msg-id CAApHDvoOHfFYXUryAymxiZjvyvhEt0ueeBOJRUOJWn1W7e3eyA@mail.gmail.com
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Ответ на Re: pgsql: Add memory/disk usage for Window aggregate nodes in EXPLAIN.  (Christoph Berg <myon@debian.org>)
Ответы Re: pgsql: Add memory/disk usage for Window aggregate nodes in EXPLAIN.
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On Tue, 1 Apr 2025 at 09:40, Christoph Berg <myon@debian.org> wrote:
> =# explain (analyze,buffers off,costs off) select sum(n) over() from generate_series(1,2048) a(n);
>                                         QUERY PLAN
> ──────────────────────────────────────────────────────────────────────────────────────────
>  WindowAgg (actual time=2.073..2.686 rows=2048.00 loops=1)
>    Window: w1 AS ()
>    Storage: Disk  Maximum Storage: 65kB

Thank you for testing that. I've just pushed a patch to bump it up to 2500.

I suspect the buildfarm didn't catch this due to the tuplestore
consuming enough memory in MEMORY_CONTEXT_CHECKING builds.

David

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