Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964794Ab1ETMBM (ORCPT ); Fri, 20 May 2011 08:01:12 -0400 Received: from wrar.name ([109.74.195.39]:37879 "EHLO haley.wrar.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935661Ab1ETMBL (ORCPT ); Fri, 20 May 2011 08:01:11 -0400 X-Greylist: delayed 2435 seconds by postgrey-1.27 at vger.kernel.org; Fri, 20 May 2011 08:01:11 EDT Date: Fri, 20 May 2011 17:20:18 +0600 From: Andrey Rahmatullin To: Dave Chinner Cc: Markus Trippelsdorf , Bruno =?iso-8859-1?Q?Pr=E9mont?= , xfs-masters@oss.sgi.com, xfs@oss.sgi.com, Christoph Hellwig , Alex Elder , Dave Chinner , linux-kernel@vger.kernel.org Subject: Re: 2.6.39-rc3, 2.6.39-rc4: XFS lockup - regression since 2.6.38 Message-ID: <20110520112018.GB3867@belkar.wrar.name> References: <20110423224403.5fd1136a@neptune.home> <20110427050850.GG12436@dastard> <20110427182622.05a068a2@neptune.home> <20110428194528.GA1627@x4.trippels.de> <20110429011929.GA13542@dastard> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="XF85m9dhOBO43t/C" Content-Disposition: inline In-Reply-To: <20110429011929.GA13542@dastard> X-Operating-System: Debian Sid X-Jabber-Id: wrar@altlinux.org User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2402 Lines: 58 --XF85m9dhOBO43t/C Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Apr 29, 2011 at 11:19:29AM +1000, Dave Chinner wrote: > > x4 ~ # xfs_info / > > meta-data=3D/dev/root isize=3D256 agcount=3D4, agsize= =3D1949824 blks > > =3D sectsz=3D512 attr=3D2 > > data =3D bsize=3D4096 blocks=3D7799296, ima= xpct=3D25 > > =3D sunit=3D128 swidth=3D128 blks > > naming =3Dversion 2 bsize=3D4096 ascii-ci=3D0 > > log =3Dinternal bsize=3D4096 blocks=3D3808, versio= n=3D2 > > =3D sectsz=3D512 sunit=3D8 blks, lazy-= count=3D1 > > realtime =3Dnone extsz=3D4096 blocks=3D0, rtextents= =3D0 > 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.=20 Does that mean that such filesystems are not optimal in terms of performance and/or reliability and should have larger log sizes? --=20 WBR, wRAR --XF85m9dhOBO43t/C Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBCAAGBQJN1k5yAAoJEDNi9wMaSZLh8YkQAKjzB4at+kizRbI1dL2KqGwp teIgc4x6aF3NCXdRUHHJvRr9zCIFwUUf0D3Tf1LAgmDsHhZ1cJSjwKHnPPR48giS SVXA2O0JI1lr4D0jWtcd6FQfS9E2cw2wrwswZqc3zvAihN1G1dfe+kEfLV0AVRCE Iim/Kqsd0aB3Ua/+01K87aPbA50EGhPkwO5SRu4upn8H86bvj3Yg0Out5dnvMYjX j5WXT6Ywu/xQkfhG7hQkJXdqs6SDGleqaAE2GFMI5q5FLs+ENUwlo8pgl4pvXAa5 kbThH5ZzJkwEo4b+W5j6JfnOKfqLl78YL/WnFXghYkaVb5Fkc1AkcRZ1C0HeTZeV Ssqt79wAWwMinpZBo2YVr+LgztQo582m7ZBEVnTOsae93jBTjryWyOSpMH1x5BYn z+U6d+Nd1/tjYLn2NjTFLLaq9Q7Y2gT0qGg/eEupNEzHeLOgQCBhMDJ87ZkEHDpz UepYDQFFhh0TNUC5pzPwS8k5yIQFWWF7XRvU1IH4jwpRFQTau4yEeKWDvVdi0CiN KHDgAK15kWmrpZ+y+I0Khq5sTRFLryIZmWS3p4NqRaMnKVoelTj/+6njZchAYuW5 D/APtuxNg9gOloUIb8wN5qQNDSojit0mkIYh7PDA4GtrYQZhWEuFQLuLQ2oLUQkw hizcs7YQb2IJrpsnmt69 =d5hH -----END PGP SIGNATURE----- --XF85m9dhOBO43t/C-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/