From owner-freebsd-performance@FreeBSD.ORG Wed May 6 15:50:50 2009 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7814F1065719; Wed, 6 May 2009 15:50:49 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id 5854C8FC2F; Wed, 6 May 2009 15:50:47 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3) with ESMTP id n46FnrAu032788; Wed, 6 May 2009 17:49:55 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3/Submit) with ESMTP id n46FaBfN032593; Wed, 6 May 2009 17:36:11 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Wed, 6 May 2009 17:36:11 +0200 (CEST) From: Wojciech Puchar To: Bill Moran In-Reply-To: <20090506084834.61600c42.wmoran@potentialtech.com> Message-ID: References: <1241610888.16418.64.camel@ompc.insign.local> <20090506084834.61600c42.wmoran@potentialtech.com> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Mailman-Approved-At: Wed, 06 May 2009 16:01:27 +0000 Cc: freebsd-performance@freebsd.org, Olivier Mueller , freebsd-questions@freebsd.org Subject: Re: filesystem: 12h to delete 32GB of data X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 May 2009 15:50:51 -0000 > means you had 6 million files. df -i would have been more useful in > the output above. > > This brings a number of questions up: > * Are you _sure_ softupdates is enabled on that partition? That's he showed mount output - he has softdeps on. > * Are these 7200RPM disks or 15,000? Again, going to make a big > difference. on 7200 RPM ordinary SATA disk i deleted 15 million files taking 300GB (squid cache) in less than 30 minutes. for sure it's because of his "hardware raid". i've NEVER seen "hardware raid" that is actually faster than non-raid config, or gmirror/gstripe config. usually it's far much slower