[Swift-devel] workflow run with the newest Swift

Mihael Hategan hategan at mcs.anl.gov
Fri Jun 27 13:46:17 CDT 2008


On Fri, 2008-06-27 at 12:53 -0500, lixi at uchicago.edu wrote:
> >In the present implementation, replication will never 
> happen until one job 
> >has completed. If your first job hits a slow site, then you 
> will be in 
> >trouble.
> 
> >It might be useful to have other controls on replication - 
> for example, an 
> >initial time to use when a mean time is not known, that 
> might be set to 
> >half an hour or something like that.
> 
> I notice that a submission time calculation has been added. 
> How about utilizing similar way to start replication? For 
> example, waiting time could be also calculated every seconds 
> after submission. When meeting the time throttle of 
> waitting, replication should be initiated.

It is. It's simply that it doesn't make any assumptions about what the
minimum queue time for replication should be, and it uses the average of
the previous jobs, an average which obviously doesn't exist for the
first job. But there should be a reasonable number there.

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