Messages in this thread | | | Date | Fri, 09 May 2008 15:07:56 -0700 (PDT) | Subject | Re: NIU - Sun Neptune 10g - Transmit timed out reset (2.6.24) | From | David Miller <> |
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From: Jesper Krogh <jesper@krogh.cc> Date: Fri, 09 May 2008 23:59:18 +0200
> David Miller wrote: > > From: Jesper Krogh <jesper@krogh.cc> > > Date: Fri, 09 May 2008 20:32:53 +0200 > > > >> When it works I doesnt seem to be able to get it pass 500MB/s. > > > > With this card you really need multiple cpus and multiple threads > > sending data through the card in order to fill the 10Gb pipe. > > > > Single connections will not fill the pipe. > > The server is a Sun X4600 with 8 x dual-core CPU's, setup with 64 > NFS-threads. The other end of the fiber goes into a switch with gigabit > ports connected to 48 dual-core cpus. The test was done doing a dd on a > 4.5GB file from the server to /dev/null on the clients.
A single file transfer will not fill the pipe using this card, no matter how many cpus you have :-)
The card is designed such that multiple parallel data streams over different connections result in the greatest throughput.
> Should this setup not be able to fill the pipe?
Nope, not with this card.
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