[jira] Created: (MAPREDUCE-715) Allow pool and user default settings to be set through poolDefaults and userDefaults elements

["Matei Zaharia (JIRA)" <ji...@apache.org>]

Allow pool and user default settings to be set through poolDefaults and userDefaults elements
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                 Key: MAPREDUCE-715
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-715
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: contrib/fair-share
            Reporter: Matei Zaharia


Over time a number of elements have been added to the fair scheduler config file for setting default running job limits, preemption timeouts, etc for pools and for users. Right now these are all set in top-level elements in the allocations file, such as <userMaxJobsDefault>. It would be easier to understand if there was a <userDefaults> element that contained defaults for all pools (using the same element names as <user> elements, e.g. <maxRunningJobs> in this case), and similarly, a <poolDefaults> element for pool defaults.

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