Re: pgsql: Add memory/disk usage for Window aggregate nodes in EXPLAIN. - Mailing list pgsql-hackers

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