[jira] [Created] (MESOS-4017) Executor killed when multiple persistent volumes specify same container_path

["Greg Mann (JIRA)" <ji...@apache.org>]

Greg Mann created MESOS-4017:
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             Summary: Executor killed when multiple persistent volumes specify same container_path
                 Key: MESOS-4017
                 URL: https://issues.apache.org/jira/browse/MESOS-4017
             Project: Mesos
          Issue Type: Bug
    Affects Versions: 0.25.0
            Reporter: Greg Mann


[~gabriel.hartmann@gmail.com] recently noticed that his custom executor was getting killed by master when multiple tasks attempt to use persistent volumes with the same {{container_path}}. A {{CREATE}} operation that created two persistent volumes with the same {{container_path}} succeeded, and a subsequent offer included those persistent volumes. Then tasks were launched on a single executor that used these volumes, and at that point the master killed the executor. Better behavior might be for the first task to launch successfully, with the second task returning {{TASK_FAILED}} with an appropriate reason and message.



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