[Beowulf] scheduler policy design

Toon Knapen toon.knapen at fft.be
Wed Apr 25 00:35:03 PDT 2007


Joe Landman wrote:

> If we can assign a priority to the jobs, so that "short" jobs get a 
> higher priority than longer jobs, and jobs priority decreases 
> monotonically with run length, and we can safely checkpoint them, and 
> migrate them (via a virtual container) to another node, or restart them 
> on one node ... then we have something nice from a throughput view point.

right on. This is also exactly what the scheduler in the OS is doing. 
This approach thus just needs to be extrapolated to a whole cluster.

Does anyone know of any projects underway that are trying to accomplish 
exactly this ?

thanks,

toon




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