John Zielinski wrote:
Rick Jones wrote:
8KB socket buffers, 8KB writes to the socket or both?
8KB write to the socket with an 8KB read on the other end. TCP socket
buffers at default.
OK.
I'm using netperf now since the numbers were about
the same and netperf has more options.
Good man :)
netperf -t TCP_STREAM -H <remote> -- -s 128K -S 128K -m 32K
Didn't help. I tried various buffer sizes and can't get over 60Mbit
transmit from the machine with a 9000 MTU.
And if you add the test-specific -D option?
I'll try to find out at what point between 8500 and 9000 the
performance drops. I'll also swap the network cards around to rule
them out.
OK. BTW, did someone already suggest disabling TSO if it happens to be
enabled?
Packet traces can be interesting... :)
rick jones
onlist so no need for cc
I've used two other machines as the remote and the results are the
same. Between those two remote machines there's no problem.
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