[Swift-devel] walltime compulsion

Michael Wilde wilde at mcs.anl.gov
Thu Feb 12 10:38:50 CST 2009


This argument is more clear and makes sense to me. I agree with it, if 
it causes no complications.

On 2/12/09 10:34 AM, Ben Clifford wrote:
> On Thu, 12 Feb 2009, Mats Rynge wrote:
> 
>> So, why not just make the maxwalltime in tc.data a required field?
> 
> I'd rather have it compulsory than an arbitrary default value; but I'd 
> rather have neither.
> 
> I see no reason to compel a walltime if you don't want walltime-based 
> handling.
> 
> In the situations that you are running in, it seems fairly vital, because 
> you want to use walltime based features.
> 
> However, Swift also gets used in situations where it isn't necessary - for 
> example, when running on single-site clusters where stuff tends to either 
> work or not work (rather than having distributed-system style partial 
> failures), and hung jobs don't cause a problem (which is why its taken 
> this many years for the submit side walltime stuff to get implemented).
> 
> Nothing has changed to suddenly make it necessary to compel that user 
> community to think about walltimes, and in those cases, it adds 
> unnecessary configuration load onto users; and that is something that I 
> feel fairly strongly about in Swift.
> 



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