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Re: Which XFS-options for best performance in my case?

To: Tom <T-o-m@xxxxxxx>
Subject: Re: Which XFS-options for best performance in my case?
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Thu, 02 Oct 2008 10:54:36 -0500
Cc: xfs@xxxxxxxxxxx
In-reply-to: <001d01c92498$a4bd7b40$ee3871c0$@net>
References: <001d01c92498$a4bd7b40$ee3871c0$@net>
User-agent: Thunderbird 2.0.0.16 (X11/20080723)
Tom wrote:

> After having fine tuned the RAID-controller and the kernel settings, I am
> reaching the following results: Read 465 MB/s; Write 296 MB/s, which I
> benchmarked with "sync; bonnie++ -u 0 -r 4096 -b -d
> /name_of_the_mounted_partition". These figures are not all to good.

not good based on / compared to what?

First I'd start with direct reads & writes from/to your block device,
see how fast that goes, before you jump up to benchmarking the filesystem.

-Eric

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