Re: Proposed Patch to Improve Performance of Multi-BatchHash Join for Skewed Data Sets

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Joshua Tolley <eggyknap(at)gmail(dot)com>
Cc: Bryce Cutt <pandasuit(at)gmail(dot)com>, "Lawrence, Ramon" <ramon(dot)lawrence(at)ubc(dot)ca>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Proposed Patch to Improve Performance of Multi-BatchHash Join for Skewed Data Sets
Date: 2009-02-19 04:20:03
Message-ID: 603c8f070902182020i264d69a3oc7f1e282f2693539@mail.gmail.com
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On Wed, Jan 7, 2009 at 9:14 AM, Joshua Tolley <eggyknap(at)gmail(dot)com> wrote:
> On Tue, Jan 06, 2009 at 11:49:57PM -0500, Robert Haas wrote:
>> Josh / eggyknap -
>>
>> Can you rerun your performance tests with this version of the patch?
>>
>> ...Robert
>
> Will do, as soon as I can.

Josh,

Have you been able to do anything further with this?

I'm attaching a rebased version of this patch with a few further
whitespace cleanups.

...Robert

Attachment Content-Type Size
histojoin_v5_rh2.patch text/x-patch 24.6 KB

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