Lukas Hejtmanek wrote:
Hello,
is it expected that application sending 8900bytes datagram through 10Gbps NIC
utilizes CPU to 100% and similarly the receiver also utilizes CPU to 100%.
Is it something wrong or this is quite OK?
(The box is dual single core Opteron 2.4GHz with Myricom 10GE NIC.)
Every time a new generation of ethernet comes out, its peak throughput exceeds
the memory/CPU/IO capacity of commodity hardware available at the time. This is
normal. Of course, you may not be saturating the link, and it may be possible
to tune the driver to improve your throughput, but you'll still be saturating a
CPU on that hardware.
-- Chris
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