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help / color / mirror / Atom feedFrom: David Rowley <[email protected]>
To: Christoph Berg <[email protected]>
Cc: Tatsuo Ishii <[email protected]>
Cc: [email protected]
Subject: Re: pgsql: Add memory/disk usage for Window aggregate nodes in EXPLAIN.
Date: Tue, 1 Apr 2025 11:09:11 +1300
Message-ID: <CAApHDvoOHfFYXUryAymxiZjvyvhEt0ueeBOJRUOJWn1W7e3eyA@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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<[email protected]>
On Tue, 1 Apr 2025 at 09:40, Christoph Berg <[email protected]> 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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Subject: Re: pgsql: Add memory/disk usage for Window aggregate nodes in EXPLAIN.
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