[GE users] Runtime Design Automation?
Mark.Olesen at emcontechnologies.com
Tue Jul 17 15:49:40 BST 2007
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> Sounds reasonable, but juggler_remote does more than only adjusting.
> It's current tasks are
> * changing number of available licenses based on decision made by
> license juggler
> * retrieving per cluster information about current license demand
> * retrieving per cluster information about current license
For the integration, I would collapse juggler_remote utilized+required
together. They would pull back a block either similar to what is already
Adding a rc_wait entry would provide the last bit of information.
For translation purposes:
rc_limit => max
rc_intern => utilized
rc_wait => demand?
The juggler_remote could even just pull back the entire license.cache,
without any processing, and let the juggler/schedule parse out what it
[rs]sh $MACHINE cat MYPATH/license.cache
For sending the adjustments back, the jugger_remote could simply write a
resource limits file.
echo limits | "[rs]sh $MACHINE cat > MYPATH/license.limits"
At the moment, the limits are hard-coded, but a future version of qlicserver
will then consult the values in license.limits when adjusting the licenses.
I think it should work quite well. The juggler and juggler_remote would be
greatly simplified. A bit of work is adjusting the scheduler for parsing new
input. But the juggler could address this or I could have a go at rewriting
the scheduler.c in Perl.
Is it safe to assume that you'll be at the workshop too?
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