[ovirt-users] oVirt 3.5 test day - OptaPlanner integration

[Doron Fediuck]

----- Original Message -----
> From: "Lior Vernia" <lvernia at redhat.com>
> To: "Users at ovirt.org List" <Users at ovirt.org>
> Sent: Thursday, July 3, 2014 8:18:41 PM
> Subject: [ovirt-users] oVirt 3.5 test day - OptaPlanner integration
> 
> In this test day I was to test the SLA team's OptaPlanner integration.
> 
> Some background for those who aren't familiar with the feature: the
> problem of finding an optimal solution for VM scheduling/balancing is
> NP-hard, therefore for large deployment it is only feasible to find
> approximately optimal solutions.
> 
> OptaPlanner is a very nice utility that contains a lot of approximation
> algorithms for computationally-hard problems such as scheduling, so the
> plan is for oVirt to use OptaPlanner (running on a dedicated machine) to
> "hint" to the administrator where to migrate VMs to achieve more optimal
> placement on hosts; "optimality" is with respect to cluster policy.
> 
> Unfortunately, due to some technical difficulties and a lack of
> documentation, I did not manage to get very far - only verified that
> when the OptaPlanner machine and oVirt engine are properly configured,
> the new tab under cluster appears and shows output from the OptaPlanner.
> 
> The feature page mainly documented the implementation of the feature,
> but contained no information on what had to be installed or any example
> testing scenarios. However, msivak (feature owner) was very responsive
> and updated the feature page as soon as these gaps were discovered, so
> now it's clear how to configure a deployment to use OptaPlanner.
> 
> Hopefully I'll be able to further test the feature soon, and at the very
> latest during the next test day.
> 
> Yours, Lior.

Thanks Lior,
please keep updating.