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From: Mladen Gogala <mladen.gogala@vmsinfo.com>
To: Jeff Janes <jeff.janes@gmail.com>
Cc: wozniak@lanl.gov <wozniak@lanl.gov>
Cc: Scott Marlowe <scott.marlowe@gmail.com>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: concurrent IO in postgres?
Date: Sat, 25 Dec 2010 23:30:32 -0500
Message-ID: <4D16C4E8.2000404@vmsinfo.com> (raw)
In-Reply-To: <AANLkTimhWg9b5uE6aeog0X2rurCieF6fFF4h61dm=fpq@mail.gmail.com>
References: <1293125873.3685.91.camel@procyon.lanl.gov>
	<AANLkTim_m4m-AJsPs0ZvC5zuiXgJpBYmkbJEabYtj2yg@mail.gmail.com>
	<1293133617.3685.97.camel@procyon.lanl.gov>
	<AANLkTimhWg9b5uE6aeog0X2rurCieF6fFF4h61dm=fpq@mail.gmail.com>

Jeff Janes wrote:
> If the background writer cannot keep up, then the individual backends
> start doing writes as well, so it isn't really serialized..
>
>   
Is there any parameter governing that behavior? Can you tell me where in 
the code (version 9.0.2) can I find that? Thanks.

-- 
Mladen Gogala 
Sr. Oracle DBA
1500 Broadway
New York, NY 10036
(212) 329-5251
www.vmsinfo.com 




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