[jira] [Created] (SPARK-16952) [MESOS] MesosCoarseGrainedSchedulerBackend requires spark.mesos.executor.home even if spark.executor.uri is set

["Charles Allen (JIRA)" <ji...@apache.org>]

Charles Allen created SPARK-16952:
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             Summary: [MESOS] MesosCoarseGrainedSchedulerBackend requires spark.mesos.executor.home even if spark.executor.uri is set
                 Key: SPARK-16952
                 URL: https://issues.apache.org/jira/browse/SPARK-16952
             Project: Spark
          Issue Type: Bug
          Components: Mesos, Scheduler
    Affects Versions: 2.0.0, 1.6.1, 1.6.0, 1.5.2
            Reporter: Charles Allen
            Priority: Minor


In the Mesos coarse grained scheduler, setting `spark.executor.uri` bypasses the code path which requires `spark.mesos.executor.home` since the uri effectively provides the executor home.

But `org.apache.spark.scheduler.cluster.mesos.MesosCoarseGrainedSchedulerBackend#createCommand` requires `spark.mesos.executor.home` to be set regardless.

Our workaround is to set `spark.mesos.executor.home=/dev/null` when using an executor uri.



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