* Justin Piszcz (jpiszcz@xxxxxxxxxxxxxxx) wrote: > > > On Sat, 5 Feb 2011, Emmanuel Florac wrote: > >> Le Sat, 5 Feb 2011 14:35:52 -0500 (EST) vous écriviez: >> > > To respond to everyone: > >> Did you try launching 4 simultaneous cp operations over nfs to get to >> 1.2 GB/s? >> I've witnessed single stream copy performance with Samba being less than >> maximum due to Samba limitations. Running multiple copy ops in parallel then >> usually saturates the pipe. > > > I tried 4 simultaenous cp's and there was little change, 250-320MiB/s. So I think you've said network benchmarks are OK, disc benchmarks are OK, but a copy over the network is slow. What happens if you run a disc benchmark at the same time as a network benchmark; even though the two aren't related? Can you keep the disc busy writing even when the network is being pushed? Dave -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux | Happy \ \ gro.gilbert @ treblig.org | | In Hex / \ _________________________|_____ http://www.treblig.org |_______/ -- To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html