From: Mike Fedyk <mfedyk@matchmail.com>
To: Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>
Cc: Vladimir Saveliev <vs@namesys.com>,
LKML <linux-kernel@vger.kernel.org>,
reiserfs-dev@namesys.com
Subject: Re: file write performance drop between 2.5.60 and 2.5.70
Date: Thu, 5 Jun 2003 11:37:02 -0700 [thread overview]
Message-ID: <20030605183702.GC3291@matchmail.com> (raw)
In-Reply-To: <1054749758.699.5.camel@teapot.felipe-alfaro.com>
On Wed, Jun 04, 2003 at 08:02:39PM +0200, Felipe Alfaro Solana wrote:
> On Wed, 2003-06-04 at 18:17, Vladimir Saveliev wrote:
> > Hi
> >
> > It looks like file write performance dropped somewhere between 2.5.60 and
> > 2.5.70.
> > Doing
> > time dd if=/dev/zero of=file bs=4096 count=60000
> >
> > on a box with Xeon(TM) CPU 2.40GHz and 1gb of RAM
> > I get for ext2
> > 2.5.60: real 1.42 sys 0.77
> > 2.5.70: real 1.73 sys 1.23
> > for reiserfs
> > 2.5.60: real 1.62 sys 1.56
> > 2.5.70: real 1.90 sys 1.86
> >
> > Any ideas of what could cause this drop?
>
> What filesystem are you using?
Good one.
ext2 and reiserfs.
Read the origional message again.
next prev parent reply other threads:[~2003-06-05 18:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-04 16:17 file write performance drop between 2.5.60 and 2.5.70 Vladimir Saveliev
2003-06-04 18:02 ` Felipe Alfaro Solana
2003-06-05 18:37 ` Mike Fedyk [this message]
2003-06-05 19:24 ` Felipe Alfaro Solana
2003-06-05 19:27 ` OFFTOPIC: " uaca
2003-06-05 1:52 ` Andrew Morton
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