Date: Mon, 17 Aug 2015 12:41:45 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Daniel Braniss <danny@cs.huji.ac.il> Cc: FreeBSD stable <freebsd-stable@freebsd.org>, FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: ix(intel) vs mlxen(mellanox) 10Gb performance Message-ID: <20150817094145.GB3158@zxy.spb.ru> In-Reply-To: <1D52028A-B39F-4F9B-BD38-CB1D73BF5D56@cs.huji.ac.il> References: <1D52028A-B39F-4F9B-BD38-CB1D73BF5D56@cs.huji.ac.il>
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On Mon, Aug 17, 2015 at 10:27:41AM +0300, Daniel Braniss wrote: > hi, > I have a host (Dell R730) with both cards, connected to an HP8200 switch at 10Gb. > when writing to the same storage (netapp) this is what I get: > ix0: ~130MGB/s > mlxen0 ~330MGB/s > this is via nfs/tcpv3 > > I can get similar (bad) performance with the mellanox if I increase the file size > to 512MGB. Look like mellanox have internal beffer for caching and do ACK acclerating. > so at face value, it seems the mlxen does a better use of resources than the intel. > Any ideas how to improve ix/intel's performance? Are you sure about netapp performance?
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