[olug] Network Speeds

[Charles Bird]

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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