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From Alex Huang <Alex.Hu...@citrix.com>
Subject RE: How to evaluate performance of a resource allocation policy?
Date Tue, 09 Jul 2013 22:26:53 GMT
> 
> Consider using the simulator plugin, which will simulate hosts.  You can follow
> the testing instructions on the Marvin testing page [1], but modify your setup
> to implement whatever number of hosts you want to test against.  From
> there, you would need to modify the allocator that's enabled.
> 
+1  That's exactly how it should be done.  It's how stress tests are performed.

You can modify the simulator plugin to vary its response to play devil's advocate to test
out different theories.

Also, the simulator today does not have this but you should be able to make it implement the
PluggableService interface to expose commands to allow your test client to adjust responses
on the fly.

--Alex

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