[Swift-devel] VDS1 transfer executable

[Ian Foster]

A couple of comments that may be relevant:

a) I'd really like to see evaluation of what we have, at scale, before 
starting reimplementation of anything. (Have I mentioned that we need to 
be showing routine use at scale if we are to justify continuation of 
this project? An important step would seem to be to try running with 
what we have.)

b) The CEDPS guys are hard at work on storage management solutions (MOPS 
is the keyword). I think we should be thinking about whether/how this 
has a role to play in the future.

Ian.

Mihael Hategan wrote:
> Support, throttling, concurrency control. We seem to be fundamentally
> changing the way things work, and we do that because we can.
>
> On Mon, 2007-07-23 at 15:19 +0000, Ben Clifford wrote:
>   
>> Given that the VDS1 transfer executable exists and appears to work, there 
>> would need to be some strong argument to not use that as a base (which 
>> there may be, but I don't know of one).
>>
>> On Mon, 23 Jul 2007, Mihael Hategan wrote:
>>
>>     
>>> I think the reimplementation argument is not universally valid. One must
>>> consider costs vs. benefits.
>>>
>>> On Mon, 2007-07-23 at 15:08 +0000, Ben Clifford wrote:
>>>       
>>>> VDS1 has a utility, transfer, which is for use on the worker nodes to 
>>>> stage data in and out.
>>>>
>>>> It seems fairly seriously worth considering using that, rather than 
>>>> re-implementing stuff from ground up.
>>>>
>>>>         
>>>       
>
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>   

-- 

   Ian Foster, Director, Computation Institute
Argonne National Laboratory & University of Chicago
Argonne: MCS/221, 9700 S. Cass Ave, Argonne, IL 60439
Chicago: Rm 405, 5640 S. Ellis Ave, Chicago, IL 60637
Tel: +1 630 252 4619.  Web: www.ci.uchicago.edu.
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