Re: Eager aggregation, take 3

From: Richard Guo <guofenglinux(at)gmail(dot)com>
To: Tender Wang <tndrwang(at)gmail(dot)com>
Cc: Paul George <p(dot)a(dot)george19(at)gmail(dot)com>, Andy Fan <zhihuifan1213(at)163(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, pgsql-hackers(at)lists(dot)postgresql(dot)org, Robert Haas <robertmhaas(at)gmail(dot)com>
Subject: Re: Eager aggregation, take 3
Date: 2024-08-29 02:29:26
Message-ID: CAMbWs4-=HEFBUvrDGHiNN6JarUuH=bmOZgsME80h_8SOSKhh8g@mail.gmail.com
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On Wed, Aug 28, 2024 at 11:57 AM Tender Wang <tndrwang(at)gmail(dot)com> wrote:
> Rectenly, I do some benchmark tests, mainly on tpch and tpcds.
> tpch tests have no plan diff, so I do not continue to test on tpch.
> tpcds(10GB) tests have 22 plan diff as below:
> 4.sql, 5.sql, 8.sql,11.sql,19.sql,23.sql,31.sql, 33.sql,39.sql,45.sql,46.sql,47.sql,53.sql,
> 56.sql,57.sql,60.sql,63.sql,68.sql,74.sql,77.sql,80.sql,89.sql
>
> I haven't look all of them. I just pick few simple plan test(e.g. 19.sql, 45.sql).
> For example, 19.sql, eager agg pushdown doesn't get large gain, but a little
> performance regress.
>
> I will continue to do benchmark on this feature.

Thank you for running the benchmarks. That really helps a lot.

Thanks
Richard

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