Re: [HACKERS] Resurrecting per-page cleaner for
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] Resurrecting per-page cleaner for |
Дата | |
Msg-id | 200609141949.k8EJnHl25167@momjian.us обсуждение исходный текст |
Ответ на | Re: [HACKERS] Resurrecting per-page cleaner for btree (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-patches |
OK, removed from open item list. --------------------------------------------------------------------------- Tom Lane wrote: > Bruce Momjian <bruce@momjian.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 > > ---------------------------(end of broadcast)--------------------------- > TIP 3: Have you checked our extensive FAQ? > > http://www.postgresql.org/docs/faq -- Bruce Momjian bruce@momjian.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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