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Re: [HACKERS] fsync method checking

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Kurt Roeckx <Q(at)ping(dot)be>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>,Mark Kirkwood <markir(at)paradise(dot)net(dot)nz>,pgsql-performance(at)postgresql(dot)org,PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [HACKERS] fsync method checking
Date: 2004-03-18 19:22:10
Message-ID: 200403181922.i2IJMAd16258@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-performance
Kurt Roeckx wrote:
> On Thu, Mar 18, 2004 at 01:50:32PM -0500, Bruce Momjian wrote:
> > > I'm not sure I believe these numbers at all... my experience is that
> > > getting trustworthy disk I/O numbers is *not* easy.
> > 
> > These numbers were reproducable on all the platforms I tested.
> 
> It's not because they are reproducable that they mean anything in
> the real world.

OK, what better test do you suggest?  Right now, there has been no
testing of these.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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