Re: XLogInsert

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От Alvaro Herrera
Тема Re: XLogInsert
Дата
Msg-id 20091210205855.GP15554@alvh.no-ip.org
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Ответ на Re: XLogInsert  (Jaime Casanova <jcasanov@systemguards.com.ec>)
Ответы Re: XLogInsert
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Jaime Casanova escribió:
> On Wed, Dec 9, 2009 at 9:39 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > so I'd like some independent confirmation that it does.
> >
> 
> what kind of tests could show that? or simply running pgbench several
> times for 15 minutes each run could show any benefit?

Isn't the supposed performance improvement in this patch linked strongly
to backup blocks?  If that's really the case, I think it would show more
prominently if you had very frequent checkpoints.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.


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