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[SPARK-6059][Yarn] Add volatile to ApplicationMaster's reporterThread and allocator #4814

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[SPARK-6059][Yarn] Add volatile to ApplicationMaster's reporterThread and allocator #4814

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4 changes: 2 additions & 2 deletions yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -68,8 +68,8 @@ private[spark] class ApplicationMaster(
@volatile private var finalMsg: String = ""
@volatile private var userClassThread: Thread = _

private var reporterThread: Thread = _
private var allocator: YarnAllocator = _
@volatile private var reporterThread: Thread = _
@volatile private var allocator: YarnAllocator = _

// Fields used in client mode.
private var actorSystem: ActorSystem = null
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