From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org, ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, pgsql-patches(at)postgresql(dot)org, teramoto(dot)junji(at)lab(dot)ntt(dot)co(dot)jp |
Subject: | Re: [HACKERS] Resurrecting per-page cleaner for |
Date: | 2006-09-14 19:49:17 |
Message-ID: | 200609141949.k8EJnHl25167@momjian.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers pgsql-patches |
OK, removed from open item list.
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Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > Tom Lane wrote:
> >> I've applied this but I'm now having some second thoughts about it,
> >> because I'm seeing an actual *decrease* in pgbench numbers from the
> >> immediately prior CVS HEAD code.
>
> > The attached patch requires the new row to fit, and 10% to be free on
> > the page. Would someone test that?
>
> At the moment, I cannot replicate any consistent difference between
> CVS head with the patch, without the patch, with the patch plus your
> BLCKSZ/10 limit addition, or with a variant BLCKSZ/32 limit addition.
> That's whether I use HEAD's broken version of pgbench or one from late
> July. So I'm feeling a tad frustrated ... but I have no evidence in
> favor of changing what is in CVS, and accordingly recommend that we
> leave well enough alone for 8.2.
>
> regards, tom lane
>
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--
Bruce Momjian bruce(at)momjian(dot)us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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