[jira] [Created] (REEF-1394) Enable using oversubscribed resources in Mesos clusters

["John Yang (JIRA)" <ji...@apache.org>]

John Yang created REEF-1394:
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             Summary: Enable using oversubscribed resources in Mesos clusters
                 Key: REEF-1394
                 URL: https://issues.apache.org/jira/browse/REEF-1394
             Project: REEF
          Issue Type: Improvement
          Components: REEF-Runtime-Mesos
            Reporter: John Yang
            Assignee: Won Wook SONG


Mesos now allows frameworks to use oversubscribed resources of high-priority user-facing services running in its cluster. (Description: [http://mesos.apache.org/documentation/latest/oversubscription/])

It'd be nice to expose this feature in REEF. One possible way to implement this is to attach a tag to {{EvaluatorRequest}} for us to specify whether we want regular resources or oversubscribed resources in requesting for evaluators. We can also add a similar tag in {{EvaluatorDescriptor}} of {{AllocatedEvaluator}} for us to distinguish on which type of resources the allocated evaluator is running. Of course, the default value of the tags should be regular resources for backward compatibility.




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