[Swift-devel] Re: [Swft] Q about throttling

Mihael Hategan hategan at mcs.anl.gov
Sat Jun 23 20:35:34 CDT 2007


On Sun, 2007-06-24 at 01:34 +0000, Ben Clifford wrote:
> 
> On Sat, 23 Jun 2007, Mihael Hategan wrote:
> 
> > JobThrottle is a site score scaling factor. It limits the initial set of
> > jobs sent to sites in order to achieve better load balancing in the long
> > run. This could be a cause for low number of concurrent jobs. Set it to
> > large numbers if you want to get rid of it.
> 
> the scaling factor gives a restriction in job load that is not dependent 
> on the presence of other sites?

Factor with respect to the score of a site, which has a pre-set value in
the beginning.

> 
> the use of the word 'factor' has a subtle implication that it is a 
> relative load and so in the case of a single site will have no effect
> 

It was discussed before that the algorithm could (and imo should) be
changed such that in the case of only one site, it would not throttle,
or at least the throttle would be significantly bigger.




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