From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Priebe Subject: Re: Some findings on 0.48, qemu-1.0.1 eating up RDB-write-cache memory Date: Mon, 09 Jul 2012 20:16:17 +0200 Message-ID: <4FFB1FF1.4050308@profihost.ag> References: <4FFAC001.4020503@filoo.de> 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]:35301 "EHLO mail.profihost.ag" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752342Ab2GISQV (ORCPT ); Mon, 9 Jul 2012 14:16:21 -0400 In-Reply-To: <4FFAC001.4020503@filoo.de> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Oliver Francke Cc: ceph-devel@vger.kernel.org Am 09.07.2012 13:26, schrieb Oliver Francke: > After doing some normal IOps testing with: > spew -v --raw -P -t -i 5 -b 4k -p random -B 4k 2G /tmp/doof.dat > > so a 2G file, tested for IOps-performance with 4k blocks I get a pretty > good value for 5x write/read-after-write: Just be interested as i'm still trying to get good IOps values. Have you tried with a 200GB File / whole block device? Stefan