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

["Won Wook SONG (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/REEF-1394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Won Wook SONG reassigned REEF-1394:
-----------------------------------

    Assignee:     (was: Won Wook SONG)

> 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
>            Priority: Major
>
> 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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