Github user dragos commented on a diff in the pull request: https://github.com/apache/spark/pull/10370#discussion_r50402728 --- Diff: core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosClusterScheduler.scala --- @@ -440,6 +446,9 @@ private[spark] class MesosClusterScheduler( .mkString(",") options ++= Seq("--py-files", formattedFiles) } + desc.schedulerProperties + .filter { case (key, _) => !replicatedOptionsBlacklist.contains(key) } + .foreach { case (key, value) => options ++= Seq("--conf", s"""$key="$value"""") } --- End diff -- That's a good point, `CommandInfo` is using `/bin/sh` to launch the command. :confused: Spaces should be ok, everything else won't be correctly escaped. Skimming through Spark properties I think the only ones that could pose problems are `spark.authenticate.secret` and the other passwords (SSL, etc.). Still, this needs a solution.
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