Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751601AbbD2TFg (ORCPT ); Wed, 29 Apr 2015 15:05:36 -0400 Received: from mail-wi0-f182.google.com ([209.85.212.182]:38443 "EHLO mail-wi0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751360AbbD2TFa (ORCPT ); Wed, 29 Apr 2015 15:05:30 -0400 Message-ID: <1430334326.7360.25.camel@gmail.com> Subject: xfs: does mkfs.xfs require fancy switches to get decent performance? (was Tux3 Report: How fast can we fsync?) From: Mike Galbraith To: Daniel Phillips Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, tux3@tux3.org, "Theodore Ts'o" , OGAWA Hirofumi Date: Wed, 29 Apr 2015 21:05:26 +0200 In-Reply-To: <1430325763.19371.41.camel@gmail.com> References: <8f886f13-6550-4322-95be-93244ae61045@phunq.net> <1430274071.3363.4.camel@gmail.com> <1906f271-aa23-404b-9776-a4e2bce0c6aa@phunq.net> <1430289213.3693.3.camel@gmail.com> <1430325763.19371.41.camel@gmail.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.11 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 692 Lines: 25 Here's something that _might_ interest xfs folks. cd git (source repository of git itself) make clean echo 3 > /proc/sys/vm/drop_caches time make -j8 test ext4 2m20.721s xfs 6m41.887s <-- ick btrfs 1m32.038s tux3 1m30.262s Testing by Aunt Tilly: mkfs, no fancy switches, mount the thing, test. Are defaults for mkfs.xfs such that nobody sane uses them, or does xfs really hate whatever git selftests are doing this much? -Mike -- 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/