From: Mark Lord <kernel@teksavvy.com>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@infradead.org>,
xfs@oss.sgi.com, Linux Kernel <linux-kernel@vger.kernel.org>,
Stan Hoeppner <stan@hardwarefreak.com>,
Alex Elder <aelder@sgi.com>
Subject: Re: xfs: very slow after mount, very slow at umount
Date: Thu, 27 Jan 2011 19:59:51 -0500 [thread overview]
Message-ID: <4D421507.1030006@teksavvy.com> (raw)
In-Reply-To: <20110127234152.GN21311@dastard>
On 11-01-27 06:41 PM, Dave Chinner wrote:
> On Thu, Jan 27, 2011 at 10:12:23AM -0500, Mark Lord wrote:
..
>> Can you recommend a good set of mkfs.xfs parameters to suit the characteristics
>> of this system?
>
> http://xfs.org/index.php/XFS_FAQ#Q:_I_want_to_tune_my_XFS_filesystems_for_.3Csomething.3E
That entry says little beyond "blindly trust the defaults".
But thanks anyway (really).
> And perhaps you want to consider the allocsize mount option, though
> that shouldn't be necessary for 2.6.38+...
That's a good tip, thanks.
>From my earlier posting:
> /dev/sdb1 on /var/lib/mythtv type xfs
> (rw,noatime,allocsize=64M,logbufs=8,largeio)
Maybe that allocsize value could be increased though.
Perhaps something on the order of 256MB might do it.
Thanks again!
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WARNING: multiple messages have this Message-ID (diff)
From: Mark Lord <kernel@teksavvy.com>
To: Dave Chinner <david@fromorbit.com>
Cc: Stan Hoeppner <stan@hardwarefreak.com>,
Christoph Hellwig <hch@infradead.org>,
Alex Elder <aelder@sgi.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
xfs@oss.sgi.com
Subject: Re: xfs: very slow after mount, very slow at umount
Date: Thu, 27 Jan 2011 19:59:51 -0500 [thread overview]
Message-ID: <4D421507.1030006@teksavvy.com> (raw)
In-Reply-To: <20110127234152.GN21311@dastard>
On 11-01-27 06:41 PM, Dave Chinner wrote:
> On Thu, Jan 27, 2011 at 10:12:23AM -0500, Mark Lord wrote:
..
>> Can you recommend a good set of mkfs.xfs parameters to suit the characteristics
>> of this system?
>
> http://xfs.org/index.php/XFS_FAQ#Q:_I_want_to_tune_my_XFS_filesystems_for_.3Csomething.3E
That entry says little beyond "blindly trust the defaults".
But thanks anyway (really).
> And perhaps you want to consider the allocsize mount option, though
> that shouldn't be necessary for 2.6.38+...
That's a good tip, thanks.
>From my earlier posting:
> /dev/sdb1 on /var/lib/mythtv type xfs
> (rw,noatime,allocsize=64M,logbufs=8,largeio)
Maybe that allocsize value could be increased though.
Perhaps something on the order of 256MB might do it.
Thanks again!
next prev parent reply other threads:[~2011-01-28 0:57 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-27 1:22 xfs: very slow after mount, very slow at umount Mark Lord
2011-01-27 1:43 ` Mark Lord
2011-01-27 3:43 ` Dave Chinner
2011-01-27 3:43 ` Dave Chinner
2011-01-27 3:53 ` Mark Lord
2011-01-27 3:53 ` Mark Lord
2011-01-27 4:54 ` Mark Lord
2011-01-27 4:54 ` Mark Lord
2011-01-27 23:34 ` Dave Chinner
2011-01-27 23:34 ` Dave Chinner
2011-01-27 3:30 ` Dave Chinner
2011-01-27 3:30 ` Dave Chinner
2011-01-27 3:49 ` Mark Lord
2011-01-27 3:49 ` Mark Lord
2011-01-27 5:17 ` Stan Hoeppner
2011-01-27 15:12 ` Mark Lord
2011-01-27 15:12 ` Mark Lord
2011-01-27 15:40 ` Justin Piszcz
2011-01-27 15:40 ` Justin Piszcz
2011-01-27 16:03 ` Mark Lord
2011-01-27 16:03 ` Mark Lord
2011-01-27 19:40 ` Stan Hoeppner
2011-01-27 19:40 ` Stan Hoeppner
2011-01-27 20:11 ` david
2011-01-27 20:11 ` david
2011-01-27 23:53 ` Stan Hoeppner
2011-01-27 23:53 ` Stan Hoeppner
2011-01-28 2:09 ` david
2011-01-28 2:09 ` david
2011-01-28 13:56 ` Dave Chinner
2011-01-28 13:56 ` Dave Chinner
2011-01-28 19:26 ` david
2011-01-28 19:26 ` david
2011-01-29 5:40 ` Dave Chinner
2011-01-29 5:40 ` Dave Chinner
2011-01-29 6:08 ` david
2011-01-29 6:08 ` david
2011-01-29 7:35 ` Dave Chinner
2011-01-29 7:35 ` Dave Chinner
2011-01-31 19:17 ` Christoph Hellwig
2011-01-31 19:17 ` Christoph Hellwig
2011-01-27 21:56 ` Mark Lord
2011-01-27 21:56 ` Mark Lord
2011-01-28 0:17 ` Dave Chinner
2011-01-28 0:17 ` Dave Chinner
2011-01-28 1:22 ` Mark Lord
2011-01-28 1:22 ` Mark Lord
2011-01-28 1:36 ` Mark Lord
2011-01-28 1:36 ` Mark Lord
2011-01-28 4:14 ` David Rees
2011-01-28 4:14 ` David Rees
2011-01-28 14:22 ` Mark Lord
2011-01-28 14:22 ` Mark Lord
2011-01-28 7:31 ` Dave Chinner
2011-01-28 7:31 ` Dave Chinner
2011-01-28 14:33 ` Mark Lord
2011-01-28 14:33 ` Mark Lord
2011-01-28 23:58 ` Dave Chinner
2011-01-28 23:58 ` Dave Chinner
2011-01-28 19:18 ` Martin Steigerwald
2011-01-28 19:18 ` Martin Steigerwald
2011-01-27 20:24 ` John Stoffel
2011-01-27 20:24 ` John Stoffel
2011-01-27 23:41 ` Dave Chinner
2011-01-27 23:41 ` Dave Chinner
2011-01-28 0:59 ` Mark Lord [this message]
2011-01-28 0:59 ` Mark Lord
2011-01-27 23:39 ` Dave Chinner
2011-01-27 23:39 ` Dave Chinner
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