Github user zjffdu commented on the issue:
https://github.com/apache/zeppelin/pull/1970
Actually spark **won't** pass non spark.* properties to executor. This is
why I confuse how does ElasticsEarch use it.
See
https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala#L372
@orenpai @costin Do you have more infos ?
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