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

From: Joshua Tolley <eggyknap(at)gmail(dot)com>
To: Robert Haas <robertmhaas(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 20:50:55
Message-ID: 20090219205054.GB21647@eddie
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On Wed, Feb 18, 2009 at 11:20:03PM -0500, Robert Haas wrote:
> 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

I keep trying to do testing, but not getting too far, though I did
return some test results to the original authors for their review. I'll
try to get a more formal response put together (my new daughter will be
24 hours old in a little bit, though, so it might be a while!)

- Josh

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