Erez Zilber wrote:
Mike,
Can open-iscsi utilize the multiqueue feature
(http://lwn.net/Articles/289137/) in order to improve performance? If
yes, does it require any change in open-iscsi? Did you try to measure
the performance improvement?
I am not sure about any of the above :) People have been sending
questions about multi queue (there is tx multiqueue like in the link you
provided and recv multiqueue too right) and also DCB/DCBX in private and
at work, and I have only begun to start to try it out.
My initial quess was that we can take advantage of multiqueue without
any changes when using software iscsi. I thought the network layer would
handle things for us like it would any other net traffic that uses the
sendpage/sendmsg interface.
For partial offload like with cxgb3i and bnx2i, I am not sure. They both
use different interfaces into the net driver/card.
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