From: Jeff Carr <basilarchia@gmail.com>
To: "Martin A. Fink" <fink@mpe.mpg.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: SATA-performance: Linux vs. FreeBSD
Date: Tue, 13 Feb 2007 11:09:46 -0800 [thread overview]
Message-ID: <45D20CFA.7020008@gmail.com> (raw)
In-Reply-To: <200702121737.12882.fink@mpe.mpg.de>
On 02/12/07 08:37, Martin A. Fink wrote:
> :~> strace -c -T -o trace.out dd if=/dev/zero of=test.txt bs=10MB count=200
>
> 200+0 Datensätze ein
> 200+0 Datensätze aus
> 2000000000 bytes (2,0 GB) copied, 52,8632 seconds, 37,8 MB/s
You might want to check the raw write & read speed to the device
without a filesystem. Also, your previous email didn't include xfs.
xfs has very good sustained write performance.
dd if=/dev/zero of=/dev/sdX bs=10MB count=200
dd of=/dev/null if=/dev/sdX bs=10MB count=200
next prev parent reply other threads:[~2007-02-13 19:01 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-12 14:02 SATA-performance: Linux vs. FreeBSD Martin A. Fink
2007-02-12 17:04 ` Andi Kleen
2007-02-12 16:27 ` Martin A. Fink
2007-02-12 18:41 ` Andi Kleen
2007-02-12 17:56 ` Martin A. Fink
2007-02-12 18:17 ` Ray Lee
2007-02-12 19:08 ` Alan
2007-02-12 20:34 ` Nigel Cunningham
2007-02-13 9:34 ` Martin A. Fink
2007-02-13 11:25 ` Alan
2007-02-13 12:32 ` Martin A. Fink
2007-02-13 14:47 ` Theodore Tso
2007-02-13 15:03 ` Alan
2007-02-13 17:12 ` Jeff Garzik
2007-02-12 23:31 ` Matthias Schniedermeyer
2007-02-13 9:25 ` Martin A. Fink
2007-02-13 10:08 ` Arjan van de Ven
2007-02-13 11:18 ` Andi Kleen
2007-02-13 10:25 ` Arjan van de Ven
2007-02-13 11:27 ` Alan
2007-02-13 11:59 ` Jörn Engel
2007-02-13 19:54 ` Jeffrey Hundstad
2007-02-13 10:16 ` Matthias Schniedermeyer
2007-02-13 10:29 ` Martin A. Fink
2007-02-13 12:04 ` Jörn Engel
2007-02-13 12:24 ` Matthias Schniedermeyer
2007-02-13 12:49 ` Martin A. Fink
2007-02-13 13:53 ` Matthias Schniedermeyer
2007-02-12 16:37 ` Martin A. Fink
2007-02-12 18:19 ` Stefan Richter
2007-02-13 19:09 ` Jeff Carr [this message]
2007-02-12 17:42 ` Martin A. Fink
2007-02-15 5:48 ` Tejun Heo
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