Github user andrewor14 commented on the pull request:
https://github.com/apache/spark/pull/10761#issuecomment-178224421
@kevincox please follow
https://cwiki.apache.org/confluence/display/SPARK/Contributing+to+Spark. This
task needs a JIRA and you need to link it in the title. For big features like
this you need a design doc to accompany the issue.
However, it seems to me what you want is cooperative preemption. I believe
the bulk of the required changes will lie in the interaction between the Spark
driver and the cluster manager, not in `ExecutorAllocationManager`, so I
believe refactoring this class at this scale doesn't actually help.
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