Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750943AbXAUAcJ (ORCPT ); Sat, 20 Jan 2007 19:32:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750959AbXAUAcJ (ORCPT ); Sat, 20 Jan 2007 19:32:09 -0500 Received: from ns2.uludag.org.tr ([193.140.100.220]:59156 "EHLO uludag.org.tr" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750972AbXAUAcI (ORCPT ); Sat, 20 Jan 2007 19:32:08 -0500 From: "=?utf-8?q?S=2E=C3=87a=C4=9Flar?= Onur" Reply-To: caglar@pardus.org.tr Organization: =?utf-8?q?T=C3=9CB=C4=B0TAK_/?= UEKAE To: lkml Subject: Weird XFS slowness Date: Sun, 21 Jan 2007 02:29:53 +0200 User-Agent: KMail/1.9.6 MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart233871657.Lt2R8Mg2hV"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200701210229.53179.caglar@pardus.org.tr> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2333 Lines: 110 --nextPart233871657.Lt2R8Mg2hV Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi; After switching ext3 to xfs, i realize system starts to _really_ unresponsi= ve=20 and extracting tarballs, copying or deleting files or checking out svn=20 repositories are really slow, so i basically try to measure some for both x= fs=20 and ext3 with same computer, same kernel (2.6.18.6), same disk, here are th= e=20 results=20 * between all tests i dropped caches * i already tried to change block device's scheduler to as, noop and cfq,=20 nothing really changes * i already tried 2.6.20-rc5 and 2.6.20-rc5.1.rt8.0085 which Ingo provides = but=20 again nothing really changes Kernel Tarball =2D------------- a) XFS ekin@idaho ~ $ time tar xvf linux-2.6.19.tar.bz2 =2E.. real 2m16.865s user 0m21.113s sys 0m2.426s b) EXT3 ekin@idaho ~ $ time tar xvf linux-2.6.19.tar.bz2 =2E.. real 0m34.192s user 0m20.624s sys 0m1.771s Deletion =2D------- a) XFS ekin@idaho ~ $ time rm -rf linux-2.6.19/ real 0m50.902s user 0m0.064s sys 0m1.378s b) EXT3 ekin@idaho ~ $ time rm -rf linux-2.6.19/ real 0m1.162s user 0m0.031s sys 0m0.411s Copying =2D------ a) XFS ekin@idaho test $ time cp -r ../linux-2.6.19 . =2E.. real 1m42.833s user 0m0.124s sys 0m2.621s b) EXT3 ekin@idaho test $ time cp -r ../linux-2.6.19 . =2E.. real 0m38.456s user 0m0.166s sys 0m2.744s I'm not sure these are normal numbers or its a regression (i'm just startin= g=20 to use XFS) so any hints will be appreciated. Cheers =2D-=20 S.=C3=87a=C4=9Flar Onur http://cekirdek.pardus.org.tr/~caglar/ Linux is like living in a teepee. No Windows, no Gates and an Apache in hou= se! --nextPart233871657.Lt2R8Mg2hV Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.1 (GNU/Linux) iD8DBQBFsrQBy7E6i0LKo6YRAnFrAJkBzBshfbldRsetmfr1/YjR0ooUfwCaA4RE OMZy89TcPX1pM0BbbMEucHw= =/HBe -----END PGP SIGNATURE----- --nextPart233871657.Lt2R8Mg2hV-- - 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/