[Halld-offline] expected bandwidth offsite
Chip Watson
watson at jlab.org
Tue May 17 09:37:09 EDT 2016
Sure, 100 MB/s is fine. I'm just wanting to make sure we can support
your DAQ running at 800 MB/s (2x above first plan). As we upgrade our
file servers (more bandwidth), we can move the bar higher and higher.
On 5/17/16 5:05 AM, Richard Jones wrote:
> Chip,
>
> Agreed. Our current rates are well below that limit. If we could get
> as high as 100MB/s, would that be within reasonable limits on your side?
>
> -Richard J.
>
> On Mon, May 16, 2016 at 10:34 PM, Chip Watson <watson at jlab.org
> <mailto:watson at jlab.org>> wrote:
>
> All,
>
> Keep in mind that Scientific Computing is not provisioned to
> deliver that kind of bandwidth (500 MB/s) to you. If you actually
> succeeded, we'd probably see a negative impact on operations and
> have to kill the connection.
>
> Chip
>
>
> On 5/16/16 8:45 PM, Shepherd, Matthew wrote:
>
> On May 16, 2016, at 5:32 PM, Richard Jones
> <richard.t.jones at uconn.edu
> <mailto:richard.t.jones at uconn.edu>> wrote:
> What did you use for the number of parallel streams /
> job, and number of simultaneous jobs to get the
> performance you saw?
>
> I simply used the globus web client and created a personal
> endpoint using globus personal connect running on Linux. I
> didn't modify anything from default. The single request was
> the only request I submitted during the time frame.
>
> I'm not disappointed with 50 MB/s averaged over 2.5 days, but
> in principle, I have ten times that bandwidth going into the
> machine.
>
> Matt
>
> ---------------------------------------------------------------------
> Matthew Shepherd, Associate Professor
> Department of Physics, Indiana University, Swain West 265
> 727 East Third Street, Bloomington, IN 47405
>
> Office Phone: +1 812 856 5808 <tel:%2B1%20812%20856%205808>
>
>
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