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Hi Ben,

have you explored the DDM2 dashboard? It doesn't give you the file size 
although that can be probably expressed in a known range but it give a 
lot of information about the number of transfers and the average 
bandwidth used.

http://dashb-atlas-data.cern.ch/dashboard/ddm2/

cheers
alessandra

On 15/12/2011 17:01, Ben Waugh wrote:
> Hi All,
>
> As part of the process of getting our network link upgraded at UCL I 
> have to complete a form, of course. Fortunately it is a free-format 
> Word document, so I can put in long-winded explanations where 
> necessary, but can anyone come up with an illustrative "typical" or 
> range of values for:
>
>  Single data transfer size? (e.g. GBytes)
>  Frequency of transfers? (e.g. how many every week/day/hours/minute)
>
> The relevant transfers are those between our DPM pool nodes and the 
> WNs, rather than off-site traffic. At the moment we only run ATLAS 
> jobs, both analysis and MC production.
>
> Thanks!
> Ben
>