From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Mueller Subject: Re: simple performance tests Date: Fri, 18 Jun 2010 08:10:34 +0000 (UTC) Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: Received: from lo.gmane.org ([80.91.229.12]:49222 "EHLO lo.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756812Ab0FRIKr (ORCPT ); Fri, 18 Jun 2010 04:10:47 -0400 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1OPWew-0000hC-I8 for ceph-devel@vger.kernel.org; Fri, 18 Jun 2010 10:10:42 +0200 Received: from 80-219-106-215.dclient.hispeed.ch ([80.219.106.215]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 18 Jun 2010 10:10:42 +0200 Received: from thomas by 80-219-106-215.dclient.hispeed.ch with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 18 Jun 2010 10:10:42 +0200 Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org Am Thu, 17 Jun 2010 08:53:07 +0000 schrieb Thomas Mueller: > Am Wed, 16 Jun 2010 07:45:47 -0700 schrieb Gregory Farnum: > >> How's your CPU utilization on that processor? It'd be good if all those >> daemons ran fine on an Atom but I'm not sure? > > I'll do some load monitoring and post the results. I getting used to atop - nice tool to have a summary of what's going on. it showed that cmds ate 50% of the cpu power. i've started the MDS on another computer. with 3 osds (1 disk per osd) and journal on a partition (same disk as osd) i get now 47 mb/s in dbench 10 test (ceph data/metadata size 1) and with "size 2" 31.3649mb/s dd bs=1M count=8192 gives me 107mb/s ("size 1") so now ceph outperforms samba. :) - Thomas