[Swift-devel] Re: Request for control over throttle algorithm

Mihael Hategan hategan at mcs.anl.gov
Tue Aug 28 12:54:02 CDT 2007


Our understanding as a group is not the sum of our understandings as
individuals (although ideally I'd like to think it should be).

On Tue, 2007-08-28 at 12:46 -0500, Ian Foster wrote:
> I seem no reason to assume that our understanding will not advance as
> we study more cases.
> 
> Mihael Hategan wrote: 
> > On Mon, 2007-08-27 at 20:04 -0500, Ian Foster wrote:
> >   
> > > These are good questions: where do different things belong.
> > > 
> > > Working out the right approach in this specific example will surely 
> > > provide insights into how to do things in other cases.
> > >     
> > 
> > Will it? The exact same statement could have been made when such
> > "concepts" were put into cog/karajan, or when Yong figured out specific
> > numbers (and on all the occasions that have worked to build up to what
> > we have today).
> > 
> >   
> > > Ian.
> > > 
> > > Ben Clifford wrote:
> > >     
> > > > it seems superficially to say "we shouldn't be forcing our execution 
> > > > management semantics on the underlying execution system"; which perhaps 
> > > > means both that we shouldn't be rate limiting but also that we shouldn't 
> > > > be doing retries and things like that - we either expect someone else to 
> > > > deal with this stuff or we do it ourselves.
> > > > 
> > > >   
> > > >       
> > 
> >   
> 
> -- 
> 
>    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.
>       Globus Alliance: www.globus.org.




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