Eli Cohen wrote:
I was just able to verify that the above suggestion is required, at least on my 
systems (SLES 10). This is of course valid for changing to CM mode too.
Eli, just to summarize, the above is fair-enough for the problem you saw, but I see something else:
mode            mtu     size    bw      note
====================================================
datagram        2044    64000   30 <---------- problem
datagram        2044    2000    430
datagram        2044    2000    300     TCP_NODELAY
-----------------------------------------------------
on the same settings, the datagram mode bw changes from 30 MB/s to 430MB/s depending on the message size used by netperf, so its a different issue.

Or.



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