Date: Fri, 25 Apr 2014 13:55:55 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Marek Salwerowicz" <marek_sal@wp.pl>, =?iso-8859-1?Q?Gerrit_K=FChn?= <gerrit.kuehn@aei.mpg.de> Cc: freebsd-net@freebsd.org Subject: Re: NFS over LAGG / lacp poor performance Message-ID: <8247FE6336414E1F97ADA561D0680097@multiplay.co.uk> References: <535A1354.2040309@wp.pl> <20140425113711.e7c7d1c2.gerrit.kuehn@aei.mpg.de> <535A482E.1030106@wp.pl> <20140425140123.a76c18f9.gerrit.kuehn@aei.mpg.de> <535A5268.100@wp.pl>
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----- Original Message ----- From: "Marek Salwerowicz" <marek_sal@wp.pl> >W dniu 2014-04-25 14:01, Gerrit Kühn pisze: >> Thanks for your input. As far as I understood so far, there should be one >> igb queue created per cpu core in the system by default (and this is what >> I see on my system). But my irq rate looks quite high to me (and it is >> only on one of these queues). > > > My CPU has 8 cores: > > http://ark.intel.com/products/75267/Intel-Xeon-Processor-E5-2640-v2-20M-Cache-2_00-GHz > > So why do I have only 1 queue ? What does "sysctl hw.igb.num_queues" report? num_queues does default to 1 for Legacy or MSI so you might be hitting that. Do you see "Using MSIX interrupts with" in your dmesg? Regards Stevehome | help
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