From: Ben Myers <bpm@sgi.com>
To: Jan Perci <jperci@gmail.com>
Cc: xfs@oss.sgi.com
Subject: Re: Help with XFS in VMs on VMFS
Date: Fri, 29 Mar 2013 15:27:35 -0500 [thread overview]
Message-ID: <20130329202735.GX22182@sgi.com> (raw)
In-Reply-To: <CAJoqCq_afu4d++fgkGGMDC55pcz62V3qyai906ihQ2d=eiyhhQ@mail.gmail.com>
Hi Jan,
On Thu, Mar 28, 2013 at 11:30:01PM -0400, Jan Perci wrote:
> Back to XFS, in this context, is there any benefit in tuning some
> parameters to get better performance, or will it all just be overshadowed
> by poor performance of the VMDKs that tuning isn't worthwhile?
At least get your stripe unit and width correct.
http://xfs.org/index.php/XFS_FAQ#Q:_How_to_calculate_the_correct_sunit.2Cswidth_values_for_optimal_performance
Beyond that I suggest you stick with the defaults unless you have a specific
need. e.g. heavy usage of extended attributes might prompt you to use a larger
inode size to keep them inline.
Regards,
Ben
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next prev parent reply other threads:[~2013-03-29 20:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-28 13:21 Help with XFS in VMs on VMFS Jan Perci
2013-03-28 14:59 ` Stefan Ring
2013-03-28 19:50 ` Stan Hoeppner
2013-03-28 21:45 ` Ralf Gross
2013-03-28 22:13 ` Emmanuel Florac
2013-03-29 14:23 ` Ralf Gross
2013-03-29 0:56 ` Stan Hoeppner
2013-03-29 3:30 ` Jan Perci
2013-03-29 20:27 ` Ben Myers [this message]
2013-03-30 19:12 ` Stan Hoeppner
2013-03-31 2:04 ` Dave Chinner
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