[jira] [Created] (AURORA-1112) support a cluster service job priority

["Jay Buffington (JIRA)" <ji...@apache.org>]

Jay Buffington created AURORA-1112:
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             Summary: support a cluster service job priority 
                 Key: AURORA-1112
                 URL: https://issues.apache.org/jira/browse/AURORA-1112
             Project: Aurora
          Issue Type: Story
          Components: Scheduler
            Reporter: Jay Buffington


I propose we support a "cluster service" (I'm open to alternative names) priority level which is higher than production.  Jobs in this priority would be able to preempt production jobs and would not be subject to quota.  Only a very small set of cluster administrators would be able to start jobs at this priority level.

Thermos observer in it's current incarnation is the best example of something that would run at this priority.  We currently accomplish guaranteeing that the observer is running by starting it out of band of mesos.  With this change we would be able to start an observer on a slave through aurora, even if that particular slave is "full" of production tasks.

There are other examples of cluster services, such as a splunk forwarder, or the mesos-slave process (eek! turtles!)



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