From: Andrey Rahmatullin <wrar@altlinux.org>
To: Dave Chinner <david@fromorbit.com>
Cc: "Markus Trippelsdorf" <markus@trippelsdorf.de>,
"Bruno Prémont" <bonbons@linux-vserver.org>,
xfs-masters@oss.sgi.com, xfs@oss.sgi.com,
"Christoph Hellwig" <hch@infradead.org>,
"Alex Elder" <aelder@sgi.com>,
"Dave Chinner" <dchinner@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: 2.6.39-rc3, 2.6.39-rc4: XFS lockup - regression since 2.6.38
Date: Fri, 20 May 2011 17:20:18 +0600 [thread overview]
Message-ID: <20110520112018.GB3867@belkar.wrar.name> (raw)
In-Reply-To: <20110429011929.GA13542@dastard>
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On Fri, Apr 29, 2011 at 11:19:29AM +1000, Dave Chinner wrote:
> > x4 ~ # xfs_info /
> > meta-data=/dev/root isize=256 agcount=4, agsize=1949824 blks
> > = sectsz=512 attr=2
> > data = bsize=4096 blocks=7799296, imaxpct=25
> > = sunit=128 swidth=128 blks
> > naming =version 2 bsize=4096 ascii-ci=0
> > log =internal bsize=4096 blocks=3808, version=2
> > = sectsz=512 sunit=8 blks, lazy-count=1
> > realtime =none extsz=4096 blocks=0, rtextents=0
> OK, so the common elements here appears to be root filesystems
> with small log sizes, which means they are tail pushing all the
> time metadata operations are in progress.
Does that mean that such filesystems are not optimal in terms of
performance and/or reliability and should have larger log sizes?
--
WBR, wRAR
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WARNING: multiple messages have this Message-ID (diff)
From: Andrey Rahmatullin <wrar@altlinux.org>
To: Dave Chinner <david@fromorbit.com>
Cc: "Dave Chinner" <dchinner@redhat.com>,
linux-kernel@vger.kernel.org, xfs@oss.sgi.com,
"Christoph Hellwig" <hch@infradead.org>,
xfs-masters@oss.sgi.com,
"Bruno Prémont" <bonbons@linux-vserver.org>,
"Alex Elder" <aelder@sgi.com>,
"Markus Trippelsdorf" <markus@trippelsdorf.de>
Subject: Re: 2.6.39-rc3, 2.6.39-rc4: XFS lockup - regression since 2.6.38
Date: Fri, 20 May 2011 17:20:18 +0600 [thread overview]
Message-ID: <20110520112018.GB3867@belkar.wrar.name> (raw)
In-Reply-To: <20110429011929.GA13542@dastard>
[-- Attachment #1.1: Type: text/plain, Size: 987 bytes --]
On Fri, Apr 29, 2011 at 11:19:29AM +1000, Dave Chinner wrote:
> > x4 ~ # xfs_info /
> > meta-data=/dev/root isize=256 agcount=4, agsize=1949824 blks
> > = sectsz=512 attr=2
> > data = bsize=4096 blocks=7799296, imaxpct=25
> > = sunit=128 swidth=128 blks
> > naming =version 2 bsize=4096 ascii-ci=0
> > log =internal bsize=4096 blocks=3808, version=2
> > = sectsz=512 sunit=8 blks, lazy-count=1
> > realtime =none extsz=4096 blocks=0, rtextents=0
> OK, so the common elements here appears to be root filesystems
> with small log sizes, which means they are tail pushing all the
> time metadata operations are in progress.
Does that mean that such filesystems are not optimal in terms of
performance and/or reliability and should have larger log sizes?
--
WBR, wRAR
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next prev parent reply other threads:[~2011-05-20 12:01 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-23 20:44 2.6.39-rc3, 2.6.39-rc4: XFS lockup - regression since 2.6.38 Bruno Prémont
2011-04-23 20:44 ` Bruno Prémont
2011-04-27 5:08 ` Dave Chinner
2011-04-27 5:08 ` Dave Chinner
2011-04-27 16:26 ` Bruno Prémont
2011-04-27 16:26 ` Bruno Prémont
2011-04-28 19:45 ` Markus Trippelsdorf
2011-04-28 19:45 ` Markus Trippelsdorf
2011-04-29 1:19 ` Dave Chinner
2011-04-29 1:19 ` Dave Chinner
2011-04-29 15:18 ` Markus Trippelsdorf
2011-04-29 15:18 ` Markus Trippelsdorf
2011-04-29 19:35 ` Bruno Prémont
2011-04-29 19:35 ` Bruno Prémont
2011-04-30 14:18 ` Bruno Prémont
2011-04-30 14:18 ` Bruno Prémont
2011-05-02 6:15 ` Markus Trippelsdorf
2011-05-02 6:15 ` Markus Trippelsdorf
2011-05-02 12:40 ` Dave Chinner
2011-05-02 12:40 ` Dave Chinner
2011-05-04 0:57 ` Jamie Heilman
2011-05-04 0:57 ` Jamie Heilman
2011-05-04 13:25 ` Dave Chinner
2011-05-04 13:25 ` Dave Chinner
2011-05-05 0:21 ` Dave Chinner
2011-05-05 0:21 ` Dave Chinner
2011-05-05 2:26 ` Dave Chinner
2011-05-05 2:26 ` Dave Chinner
2011-05-05 12:21 ` Dave Chinner
2011-05-05 12:21 ` Dave Chinner
2011-05-05 12:39 ` Christoph Hellwig
2011-05-05 12:39 ` Christoph Hellwig
2011-05-06 1:49 ` Dave Chinner
2011-05-06 1:49 ` Dave Chinner
2011-05-05 20:35 ` Bruno Prémont
2011-05-05 20:35 ` Bruno Prémont
2011-05-09 5:57 ` Bruno Prémont
2011-05-09 5:57 ` Bruno Prémont
2011-05-08 5:11 ` Jamie Heilman
2011-05-08 5:11 ` Jamie Heilman
2011-05-20 11:20 ` Andrey Rahmatullin [this message]
2011-05-20 11:20 ` Andrey Rahmatullin
2011-05-21 0:14 ` Dave Chinner
2011-05-21 0:14 ` Dave Chinner
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