Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/8476#discussion_r38745663
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/ScriptTransformation.scala
---
@@ -58,6 +61,9 @@ case class ScriptTransformation(
override def otherCopyArgs: Seq[HiveContext] = sc :: Nil
+ private val _broadcastedHiveConf = this.
+ sc.sparkContext.broadcast(new SerializableConfiguration(sc.hiveconf))
--- End diff --
You probably don't need broadcasting here. `SerializableConfiguration`
already avoids reading XML files while deserializing `Configuration` instances.
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