Gus Wirth wrote: > Andrew Lentvorski wrote: >> Gus Wirth wrote: >>> If I do an NFS mount and copy a large file from the server to >>> /dev/null on the client or if I scp a file between the server and >>> client I get pretty much the same results, about 11MB (that's bytes) >>> per second. This is only about 10% better than 100baseT ethernet. I >>> know from previous experiments that my hard drives and general system >>> throughput can handle about 25MB/sec. >> >> If you are seeing 10 MibiBytes per second on a 100baseT, you >> effectively have no network traffic on it. Must be nice. That's one >> reason why you are seeing practically no increase. > > This is my home network, with currently only two machines running. But I > would have expected to about double my transfer speed based on my > current system capabilities. > >> Second, I think you need to bump the default TCP packet size. On a >> network that small, the TCP window is probably filling and throttling >> the transfer rate. >> >> Make sure your systems are sending 9000+ byte packets rather than just >> 1500+ byte packets. > > OK, off to the man pages to figure out how to do that.
maybe: ifconfig eth0 mtu 9000 ..jim -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
