On Fri, 25 Apr 2014 15:25:04 +0100 "Steven Hartland"
<kill...@multiplay.co.uk> wrote about Re: NFS over LAGG / lacp poor
performance:

SH> We saw the issue with 10-RELEASE last weekend on a machine with 6 x
SH> igb's where by the system was burning CPU in the interrupt handlers,
SH> setting num_queues to 2 fixed the issue we where seeing.

Sounds like reducing the queues is the first thing to try then, thanks!
How did you verify that the irqs were the culprit? Apart from the high irq
rate in vmstat I do not see any other load values skyrocketing.


cu
  Gerrit
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