Hi Bharath, I think that you are requesting the "Optimistic Offer" feature which is under going. Please refer to the following link for detail:
https://issues.apache.org/jira/browse/MESOS-1607 https://docs.google.com/document/d/1RGrkDNnfyjpOQVxk_kUFJCalNMqnFlzaMRww7j7HSKU/edit The "Optimistic Offer"is kind of "Allocation Slack Oversubscription" which is very similar with "Usage Slack Oversubscription". Thanks, Guangya On Wed, Oct 21, 2015 at 11:35 AM, Bharath Ravi Kumar <[email protected]> wrote: > Hi, > > I'd like to understand if oversubscription will consider unused resources > reserved for certain quotas (i.e. the new roles-quotas feature being worked > on). If so, that would enable reserving minimum number of resources are > always available for certain roles while ensuring that the cluster can be > fully utilized when no tasks from those roles are running. In a way, it > achieves the effect of pre-emptive task scheduling (though they're not the > same of course). Can someone confirm if these two features are expected to > interact this way? > > Thanks, > Bharath >

