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From tgravescs <>
Subject [GitHub] spark pull request: [SPARK-6449][YARN] Report failure status if dr...
Date Mon, 23 Mar 2015 13:39:44 GMT
Github user tgravescs commented on the pull request:
    > However, in my experience, if AMRMClient.unregisterApplicationMaster has not been
called, Yarn  will restart the AM until exceeding the max attempts. So if the user does not
create a SparkContext and the driver code exits normally, Yarn still will restart the AM.
We have an ugly fix that forcing AM to register and unregister with Yarn if finding AM does
not register when exiting.  
    @zsxwing  Can you clarify this?  Are you running something that never starts SparkContext?
 I'm not sure what you mean by the user doesn't create spark context but the driver exits

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