[Beowulf] bonding and bandwidth

[Felix Rauch]

On Tue, 8 Jun 2004, Jean-Marc Larré wrote:
> I'm testing bonding.c with two gigabit ethernet links toward a HP 2848 
> switch. My kernel is 2.4.24 from kernel.org on RedHat 9.0
[...]
> My problem :
> I get a bandwidth around 900Mbit/s and not 1800Mbit/s with netperf or iperf 
> or NetPipe. Could you explain me why I'm not get 1800Mbit/s and where is my 
> problem ?

Depending on the exact hardware of your nodes, this could simply be
the maximum that your nodes' memory subsystems and/or CPUs can handle.

Of course there could also be something wrong with the bonding setup,
but I have no experience with bonding.

Regards,
Felix
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