[Swift-devel] Re: replication vs site score

Mihael Hategan hategan at mcs.anl.gov
Thu Apr 9 12:47:53 CDT 2009


On Thu, 2009-04-09 at 12:24 -0500, Ian Foster wrote:
> Mihael:
> 
> Ioan (and I) are just saying, I think, that there are situations in  
> which people want to work with (or in some cases, need to work with) a  
> static allocation.

That was the piece I was missing: The allocation scheme will make better
decisions if information about node reservations is available to it.
Users should be allowed to specify such information and it should be
considered when allocating workers.

> 
> No-one is arguing that this will always be the case, or even should  
> mostly be the case. Just sometimes.

Being left with work done after the reservation ends seemed like a
no-no, when one could allocate nodes opportunistically in addition to
the reservation to meet the demand.





More information about the Swift-devel mailing list