From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Durgin Subject: Re: v0.80.8 and librbd performance Date: Wed, 04 Mar 2015 11:53:39 -0800 Message-ID: <54F762C3.2030608@redhat.com> References: <54F64382.7060308@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com ([209.132.183.28]:43886 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758246AbbCDTxl (ORCPT ); Wed, 4 Mar 2015 14:53:41 -0500 In-Reply-To: <54F64382.7060308@redhat.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Ken Dreyer , Sage Weil , ceph-devel@vger.kernel.org, ceph-users@ceph.com On 03/03/2015 03:28 PM, Ken Dreyer wrote: > On 03/03/2015 04:19 PM, Sage Weil wrote: >> Hi, >> >> This is just a heads up that we've identified a performance regression in >> v0.80.8 from previous firefly releases. A v0.80.9 is working it's way >> through QA and should be out in a few days. If you haven't upgraded yet >> you may want to wait. >> >> Thanks! >> sage > > Hi Sage, > > I've seen a couple Redmine tickets on this (eg > http://tracker.ceph.com/issues/9854 , > http://tracker.ceph.com/issues/10956). It's not totally clear to me > which of the 70+ unreleased commits on the firefly branch fix this > librbd issue. Is it only the three commits in > https://github.com/ceph/ceph/pull/3410 , or are there more? Those are the only ones needed to fix the librbd performance regression, yes. Josh