[olug] Network Speeds

[Dave Rowe]

Box A) Quad-core @ 2.5GHz - 4GB RAM
Box B) P4 (HT) @ 3.06GHz - 4GB RAM

Unsure if there is offloading capabilities?  Not sure how I'd check...

On Wed, Dec 16, 2009 at 4:05 PM, Charles Bird <cbird.omaha at gmail.com> wrote:

> What hardware u running? Like what speed is your CPU, does your network
> adaptor have any offloading capabilites?
>
> The SSH tunnel itself has alot of network overhead, but  would think that
> on
> a 100Mb link, you would get a lil more than that.
>
> I've usually seen non ssh transfers at 70-83Mbps over 100Mb with Linux's
> dafault stack.
>
>
>
>
>
> On Wed, Dec 16, 2009 at 4:56 PM, Dave Rowe <dave at roweware.com> wrote:
>
> > Okay, I need a little schooling here.  Googling for network tweaks brings
> > articles from the early 2000's, so things have (probably) changed.
> >
> > I have 2 linux boxes, sitting on the same switch (100Mbps).  Transferring
> a
> > large (50MB) file between the 2 via SSH seems to run abnormally slow for
> > being on the same switch.  With a couple tests, I seem to be getting
> 2MB/s
> > (big B).  Which, while _okay_, its not a huge deal, but seems slow.
> >
> > Box A - Debian 5.0 - 2.6.26-2-amd64
> > Box B - ArchLinux - 2.6.31
> >
> > Would hard-disk speed be a significant factor here?  Both are SATA
> >
> > Any ideas?
> >
> > -Dave
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