Date: Mon, 24 Aug 2015 11:29:58 +0300 From: Daniel Braniss <danny@cs.huji.ac.il> To: Hans Petter Selasky <hps@selasky.org> Cc: Rick Macklem <rmacklem@uoguelph.ca>, pyunyh@gmail.com, FreeBSD stable <freebsd-stable@freebsd.org>, FreeBSD Net <freebsd-net@freebsd.org>, Gleb Smirnoff <glebius@FreeBSD.org> Subject: Re: ix(intel) vs mlxen(mellanox) 10Gb performance Message-ID: <62C7B1A3-CC6B-41A1-B254-6399F19F8FF7@cs.huji.ac.il> In-Reply-To: <55DAC623.60006@selasky.org> References: <1D52028A-B39F-4F9B-BD38-CB1D73BF5D56@cs.huji.ac.il> <55D43615.1030401@selasky.org> <2013503980.25726607.1439989235806.JavaMail.zimbra@uoguelph.ca> <20150820023024.GB996@michelle.fasterthan.com> <1153838447.28656490.1440193567940.JavaMail.zimbra@uoguelph.ca> <15D19823-08F7-4E55-BBD0-CE230F67D26E@cs.huji.ac.il> <818666007.28930310.1440244756872.JavaMail.zimbra@uoguelph.ca> <49173B1F-7B5E-4D59-8651-63D97B0CB5AC@cs.huji.ac.il> <1815942485.29539597.1440370972998.JavaMail.zimbra@uoguelph.ca> <55DAC623.60006@selasky.org>
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> On 24 Aug 2015, at 10:22, Hans Petter Selasky <hps@selasky.org> wrote: >=20 > On 08/24/15 01:02, Rick Macklem wrote: >> The other thing is the degradation seems to cut the rate by about = half each time. >> 300-->150-->70 I have no idea if this helps to explain it. >=20 > Might be a NUMA binding issue for the processes involved. >=20 > man cpuset >=20 > --HPS I can=E2=80=99t see how this is relevant, given that the same host, = using the mellanox/mlxen behave much better. I=E2=80=99m getting different results with the intel/ix depending who is = the nfs server danny
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