From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Nelson Subject: Re: ceph-osd: microbenchmark for 4k read operations Date: Wed, 27 May 2015 09:03:18 -0500 Message-ID: <5565CEA6.8090903@redhat.com> References: <20150520181339.0a630c07@doppio> 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]:59440 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751322AbbE0ODY (ORCPT ); Wed, 27 May 2015 10:03:24 -0400 In-Reply-To: <20150520181339.0a630c07@doppio> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Andreas Bluemle , Ceph Development On 05/20/2015 11:13 AM, Andreas Bluemle wrote: > Hi, > > as discussed on todays performance meeting: find attached the > spreadsheet which I had shown during the meeting. > > @Sam: your are right concerning the make_blist part: this > probably is expensive due to message signing being turned on. > For the osd daemon which I took the benchmarks, I see > "cephx_sign_messages": "true" > > > Regards > > Andreas > Thank you Andreas! Looking forward to hearing how much cephx_sign_messages is affecting things. Mark