From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Bluemle Subject: ceph-osd: microbenchmark for 4k read operations Date: Wed, 20 May 2015 18:13:39 +0200 Message-ID: <20150520181339.0a630c07@doppio> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="MP_/w=58XcmZO/F3uDvtNOAzHsi" Return-path: Received: from mail.itxperts.de ([212.202.108.166]:30618 "EHLO mail.itxperts.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753271AbbETQnI (ORCPT ); Wed, 20 May 2015 12:43:08 -0400 Received: from itxmail.itxperts.de (qgate_dmz.itxperts.de [192.168.160.1]) by mail.itxperts.de (8.14.0/8.14.0) with ESMTP id t4KGDfWg025170 for ; Wed, 20 May 2015 18:13:41 +0200 Received: from doppio (doppio.itxperts.de [192.168.140.7]) by itxmail.itxperts.de (Postfix) with ESMTP id 3B79D13F02 for ; Wed, 20 May 2015 18:05:05 +0200 (CEST) Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Ceph Development --MP_/w=58XcmZO/F3uDvtNOAzHsi Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Disposition: inline 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 -- Andreas Bluemle mailto:Andreas.Bluemle@itxperts.de ITXperts GmbH http://www.itxperts.de Balanstrasse 73, Geb. 08 Phone: (+49) 89 89044917 D-81541 Muenchen (Germany) Fax: (+49) 89 89044910 Company details: http://www.itxperts.de/imprint.htm --MP_/w=58XcmZO/F3uDvtNOAzHsi Content-Type: text/csv Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=summary-rr-transactions-32.csv summary; samples; averages; min; max PrimaryRead; 165889; 186; 103; 655 PrimaryRead-1.1 Pipe::reader:duration_0; 165889; 64; 29; 597 PrimaryRead-1.3 Pipe::read_message:duration_0; 165889; 9; 4; 171 PrimaryRead-1.4 Pipe::read_message:receive_0; 165889; 2; 1; 133 PrimaryRead-1.5 Pipe::read_message:decode_0; 165889; 5; 2; 166 PrimaryRead-1.6 Pipe::read_message:authenticate_0; 165889; 0; 0; 102 PrimaryRead-1.8 OSD::ms_fast_dispatch:duration_0; 165889; 33; 17; 482 PrimaryRead-2.2 ShardedOpWQ::_process:duration; 165889; 66; 25; 419 PrimaryRead-2.2.2 ReplicatedPG::do_op:duration; 165889; 49; 20; 397 PrimaryRead-2.2.3 ReplicatedPG::do_op:find_ctx; 165889; 2; 2; 140 PrimaryRead-2.2.4 ReplicatedPG::do_op:execute_ctx; 165889; 38; 13; 388 PrimaryRead-4.2 Pipe::writer:duration_4096; 165888; 52; 24; 322 PrimaryRead-4.3 Pipe::writer:encode_4096; 165888; 6; 3; 172 PrimaryRead-4.4 Pipe::writer:make blist_4096; 165888; 23; 14; 193 PrimaryRead-4.5 Pipe::writer:write_message_4096; 165888; 20; 6; 268 --MP_/w=58XcmZO/F3uDvtNOAzHsi--