From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Page Subject: Re: Memstore performance improvements v0.90 vs v0.87 Date: Thu, 29 Jan 2015 12:51:47 +0000 Message-ID: <54CA2CE3.8020603@ubuntu.com> References: <3649A15A2562B54294DE14BCE5AC79120AB30A5D@FMSMSX106.amr.corp.intel.com> <3649A15A2562B54294DE14BCE5AC79120AB30EEA@FMSMSX106.amr.corp.intel.com> <54B6F103.9000708@redhat.com> <3649A15A2562B54294DE14BCE5AC79120AB31012@FMSMSX106.amr.corp.intel.com> <54C7FD1C.40406@redhat.com> <3649A15A2562B54294DE14BCE5AC79120AB4EF94@FMSMSX106.amr.corp.intel.com> <54C959C4.1010305@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit Return-path: Received: from youngberry.canonical.com ([91.189.89.112]:49624 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751793AbbA2Mvv (ORCPT ); Thu, 29 Jan 2015 07:51:51 -0500 In-Reply-To: <54C959C4.1010305@redhat.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: mnelson@redhat.com, "Blinick, Stephen L" , Ceph Development -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi Mark On 28/01/15 21:51, Mark Nelson wrote: > Per Sage's suggestion in the perf meeting this morning I dumped > sysctl -a on both systems and wrote a little script to compare an > arbitrary number of sysctl output files. It only lists settings > that have different values and dumps out a csv. > > So far it looks like the interesting differences are in: > > scheduler numa ipv4 (and ipv6) vm > > Script is here: > > https://github.com/ceph/ceph-tools/blob/master/cbt/tools/compare_sysctl.py Useful > script - thanks! I'd like to get the Ubuntu Server and Kernel teams investigating this disparity as well - would it be possible for you to share the configurations you are using in detail? That way I can make sure we are looking at the same thing... Cheers James - -- James Page Ubuntu and Debian Developer james.page@ubuntu.com jamespage@debian.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJUyizjAAoJEL/srsug59jD9NgQAIKfj8w3LMYroO/GlXb3jjnu 6ponX2HTVDNaVqLaYtpevYDUbkgIIEOEcOtxxbORxGnWr7fcXzQtUcp7K0KLtU+r /SwbEcsBRaS7im1/lqAlXOh67XSSzE0eSpqrWxCPKM6X0kmvD49G0fnTclmax/F6 beUm2Oz9UtRoB28mSIVMcUWbi2vsltbZx4khppu+1WpXqdlHr7fg9lKr2jeSbvXC 23nJ7IEd5zVdxaAxQtjjj9Gjk8TWCFICZIoHwvwOigvCnGihP3Ngnyabx7Gz9sJm vnyibS+bXHPjIAdUGEtEanOt0lIO8TVbPZM4X3YDaCeEvaoLxqqE832EXShxQ76H 1fDHTu/OQeEyN3udYHit/xgEm3/nMg7Bwb1I4l5TtHgPq8mrXTGqI6zJv9Y1PZ/E DhmgcTAEPx3/IWBiU1F55Ktgn6N7fIFCrTEDZ6tkuraeG5WJzqf4OEU7XP/8Z1bb L4VrnBVgNrxDPJOO6u4YNDsacaO4rMCs2U1kQiGKruSXRKnw+RtowoIzIy8O0I6o lspBJdLjSXXnP/MLVFifFkXyynz/uPIQbg76FA9mVIC3tc7yeXhjB/urrGbbZPuT IsoVrlsb4IG9Ay4iRCE7yEw9gwqlEhCTtrY9WrhgA/23ihqn1+Hm/4h7ypP+AWmq XmBsJ1VQyxHnsJgf9R+4 =Zfn0 -----END PGP SIGNATURE-----