From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sage Weil Subject: Re: ceph-osd cpu usage Date: Thu, 15 Nov 2012 08:52:40 -0800 (PST) Message-ID: References: <7840e3d1-17b2-4618-ae1f-ff3dbdff71f6@mailpro> <50A4DDE8.8040506@profihost.ag> <50A50640.1040103@inktank.com> <50A513A1.90101@profihost.ag> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: Received: from cobra.newdream.net ([66.33.216.30]:44481 "EHLO cobra.newdream.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1768484Ab2KOQwk (ORCPT ); Thu, 15 Nov 2012 11:52:40 -0500 In-Reply-To: <50A513A1.90101@profihost.ag> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Stefan Priebe Cc: Mark Nelson , Alexandre DERUMIER , ceph-devel@vger.kernel.org On Thu, 15 Nov 2012, Stefan Priebe wrote: > Am 15.11.2012 16:12, schrieb Mark Nelson: > > Out of curiosity, does it help much if you disable crc32c calculations? > > Use the "nocrc" option in your ceph.conf file. I've had my eye on > > crcutil as an alternative to how we do crc32c now. > > > > http://code.google.com/p/crcutil/ > > Will try that how and where to i set the nocrc option? > > Is it > [global] > nocrc = true ms nocrc = true sage