From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Priebe Subject: Re: extreme ceph-osd cpu load for rand. 4k write Date: Thu, 08 Nov 2012 23:06:18 +0100 Message-ID: <509C2CDA.3030202@profihost.ag> References: <509AC772.5010606@profihost.ag> <509BC878.3090804@profihost.ag> <509BD38B.8090200@profihost.ag> <509BD87F.1010107@inktank.com> <509C23A7.9010109@profihost.ag> <509C2939.5000201@inktank.com> <509C2B05.2070200@inktank.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail.profihost.ag ([85.158.179.208]:41480 "EHLO mail.profihost.ag" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757111Ab2KHWGW (ORCPT ); Thu, 8 Nov 2012 17:06:22 -0500 In-Reply-To: <509C2B05.2070200@inktank.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Mark Nelson Cc: Josh Durgin , Sage Weil , "ceph-devel@vger.kernel.org" Am 08.11.2012 22:58, schrieb Mark Nelson: > Also, I'm not sure what version you are running, but you may want to try > testing master and see if that helps. Sam has done some work on our > threading and locking code that might help. This is git master (two hours old). Stefan