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https://issues.apache.org/jira/browse/SPARK-4986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14262045#comment-14262045
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Josh Rosen commented on SPARK-4986:
-----------------------------------
I think I found one potential cause of why this works in local mode but not on
a real cluster, which I've described at SPARK-5035.
> Graceful shutdown for Spark Streaming does not work in Standalone cluster mode
> ------------------------------------------------------------------------------
>
> Key: SPARK-4986
> URL: https://issues.apache.org/jira/browse/SPARK-4986
> Project: Spark
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 1.2.0
> Reporter: Jesper Lundgren
>
> When using the graceful stop API of Spark Streaming in Spark Standalone
> cluster the stop signal never reaches the receivers. I have tested this with
> Spark 1.2 and Kafka receivers.
> ReceiverTracker will send StopReceiver message to ReceiverSupervisorImpl.
> In local mode ReceiverSupervisorImpl receives this message but in Standalone
> cluster mode the message seems to be lost.
> (I have modified the code to send my own string message as a stop signal from
> ReceiverTracker to ReceiverSupervisorImpl and it works as a workaround.)
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