From: Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>
To: Vladimir Saveliev <vs@namesys.com>
Cc: 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: 04 Jun 2003 20:02:39 +0200 [thread overview]
Message-ID: <1054749758.699.5.camel@teapot.felipe-alfaro.com> (raw)
In-Reply-To: <200306042017.53435.vs@namesys.com>
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?
next prev parent reply other threads:[~2003-06-04 17:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-04 16:17 Vladimir Saveliev
2003-06-04 18:02 ` Felipe Alfaro Solana [this message]
2003-06-05 18:37 ` Mike Fedyk
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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