[Linux] Network stalls
Mike Lechner
linux@flux.org
Thu, 19 Jun 2008 10:20:58 -0400
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Check disk utilization on the receiving host. My guess to what is happening
is disk-io is low while the rate is good. Then disk-io jumps up and the
rate drops. Finally the disks are maxed out and thats when you see the
stalling/sputtering.
Mike
On Thu, Jun 19, 2008 at 9:50 AM, Peter Capazzi <pcapazzi@dwcsolutions.com>
wrote:
> I'm having some trouble copying files from one server to another. When
> scp'ing the bandwidth starts out great (33 MB/s) and then within a few
> minutes it deteriorates to (15 MB/s), then starts stalling and sputtering to
> finish the file.
>
> Has anyone seen a behavior like this before? Any suggestions to resolve?
>
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Check disk utilization on the receiving host. My guess to what is happening is disk-io is low while the rate is good. Then disk-io jumps up and the rate drops. Finally the disks are maxed out and thats when you see the stalling/sputtering.<br>
<br>Mike<br><br><div class="gmail_quote">On Thu, Jun 19, 2008 at 9:50 AM, Peter Capazzi <<a href="mailto:pcapazzi@dwcsolutions.com">pcapazzi@dwcsolutions.com</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div>
<div><span><font face="Arial" size="2">I'm having some
trouble copying files from one server to another. When scp'ing the bandwidth
starts out great (33 MB/s) and then within a few minutes it deteriorates to (15
MB/s), then starts stalling and sputtering to finish the file.
</font></span></div>
<div><font face="Arial" size="2"></font> </div>
<div><span><font face="Arial" size="2">Has anyone seen a
behavior like this before? Any suggestions to
resolve?</font></span></div></div>
</blockquote></div><br>
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