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From: Ansgar -59cobalt- Wiechers <lists@planetcobalt.net>
To: pgsql-performance@postgresql.org
Subject: Re: Performance on 8CPU's and 32GB of RAM
Date: Wed, 5 Sep 2007 23:02:12 +0200
Message-ID: <20070905210212.GA26941@mail.planetcobalt.net> (raw)
In-Reply-To: <dcc563d10709051236o60f852cdne392937704830200@mail.gmail.com>
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	<dcc563d10709041615s305ae98bm92dee61ab199b7c4@mail.gmail.com>
	<46DE66CF.9000903@theendofthetunnel.de>
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	<dcc563d10709050845k135d3c2erbe5b44933e898aa@mail.gmail.com>
	<90bce5730709051016j5291827dx525d6b8fe4960fbd@mail.gmail.com>
	<dcc563d10709051236o60f852cdne392937704830200@mail.gmail.com>

On 2007-09-05 Scott Marlowe wrote:
> And there's the issue that with windows / NTFS that when one process
> opens a file for read, it locks it for all other users.  This means
> that things like virus scanners can cause odd, unpredictable failures
> of your database.

Uh... what? Locking isn't done by the filesystem but by applications
(which certainly can decide to not lock a file when opening it). And no
one in his right mind would ever have a virus scanner access the files
of a running database, regardless of operating system or filesystem.

Regards
Angar Wiechers
-- 
"The Mac OS X kernel should never panic because, when it does, it
seriously inconveniences the user."
--http://developer.apple.com/technotes/tn2004/tn2118.html

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