[Bio-Linux] Bandwidth cont.

[Tony Travis]

On 12/07/13 13:42, Alec Colebrook-Clark wrote:
> Hi,
> 
>  
> 
> Sorry for the delay, don’t seem to get these as often as I like, have
> played with the settings and should have rectified that!
> 
>  
> 
> @Tony - By download I mean the actual biolinux machine is downloading a
> file onto a location on the local machine.

Hi, Alec.

You can limit the bandwidth used by "wget"

> --limit-rate=amount
>            Limit the download speed to amount bytes per second.  Amount may be expressed in bytes, kilobytes with the k suffix,
>            or megabytes with the m suffix.  For example, --limit-rate=20k will limit the retrieval rate to 20KB/s.  This is
>            useful when, for whatever reason, you don't want Wget to consume the entire available bandwidth.

Similar with "sftp":

>      -l limit
>              Limits the used bandwidth, specified in Kbit/s.

How are your doing the downloads?

> @TIM – the problem is a single box hammering the WAN. I tried to
> throttle the machine but it only effected the its LAN capabilities and
> not the download (which is happening over the same connection). Is there
> any way I can trace what is happening?

Use "netstat"/"iftop" to monitor the connections/network traffic?

HTH,

  Tony.
-- 
Dr. A.J.Travis, University of Aberdeen, Institute of Biological and
Environmental Sciences, Cruickshank Building, St. Machar Drive, Aberdeen
AB24 3UU, Scotland, UK. tel +44(0)1224 272700, fax +44 (0)1224 272 396
http://www.abdn.ac.uk, mailto:tony.travis at abdn.ac.uk, skype:ajtravis