Github user skonto commented on a diff in the pull request: https://github.com/apache/spark/pull/14511#discussion_r73978967 --- Diff: core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosClusterScheduler.scala --- @@ -463,9 +455,20 @@ private[spark] class MesosClusterScheduler( .mkString(",") options ++= Seq("--py-files", formattedFiles) } - desc.conf.getAll + + // --conf + val replicatedOptionsBlacklist = Set( + "spark.jars", // Avoids duplicate classes in classpath + "spark.submit.deployMode", // this would be set to `cluster`, but we need client + "spark.master" // this contains the address of the dispatcher, not master + ) + val defaultConf = conf.getAllWithPrefix("spark.mesos.dispatcher.driverProperty.").toMap --- End diff -- I know just a bit more explicit about the semantics
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