[ur-wg] Mailing List Discussions: Comment #5b

[Sven van den Berghe]

Isn't all we need just a simple nesting e.g.

All Jobs are composites of 1 or more Jobs. A Usage Record may contain  
a reference
to one parent Job (rename GlobalJobId to ParentjobId)

This handles URs for each node of jobs on clusters, URs for workflows  
and also
Grid Jobs.

Or am I missing something?

On 4 May 2006, at 22:09, Donal K. Fellows wrote:

> Laura F McGinnis wrote:
>>>     5b)     Furthermore, when talking about the logging &  
>>> accounting information associated to grid jobs it is crucial to  
>>> give some kind of definition of a grid job. Many of the UR  
>>> properties described in the document are ambiguous because it is  
>>> not clear what constitutes a grid job.  An example is StartTime.  
>>> Is the brokering or stagein phase of a grid job taken into account?
>>>
>>> Evaluation: Defer to mailing list
>
> This point has two distinct aspects.
>  1) The StartTime and EndTime values refer to the time period to which
>     the Usage Record itself applies. For a job (whether grid, batch or
>     flipping hamburgers for minimum wage) one natural  
> interpretation is
>     that the start and end indicate an accounting period that matches
>     when the job is "consuming resources" in some appropriate  
> sense. But
>     strictly the start and end indicate the accounting period, not the
>     job.
>  2) The term "grid job" is very perjorative, possibly leading  
> people to
>     conclude (erroneously) that the complexity of NorduGrid is the  
> only
>     way to run jobs on the grid (it isn't). We should make sure  
> that the
>     phrase is *not* used in the specification. Instead, we should  
> try to
>     come up with a phrasing that describes the properties of such a  
> job;
>     I don't know for sure, but it may well be some kind of  
> composite job
>     with staging and execution components, so perhaps that would be  
> the
>     best way to do it, with NorduGrid introducing a profiling on  
> top of
>     that to specialize things for their particular circumstances (the
>     way many of these XML-based specifications are meant to be used
>     anyway...)
>
> There should be a way to record the usage from one of NorduGrid's  
> jobs,
> yes, but I'm not sure about the right way to do it. I don't want the
> standard to end up full of things that only one system can make use  
> of.
>
> Donal.
>

Sven

Sven.vandenBerghe at uk.fujitsu.com
Fujitsu Laboratories of Europe
+44 208 606 4651