[GitHub] spark pull request #22199: [SPARK-25073][Yarn] AM and Executor Memory valida...

[srowen <gi...@git.apache.org>]

Github user srowen commented on a diff in the pull request:

    https://github.com/apache/spark/pull/22199#discussion_r212301867
  
    --- Diff: resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala ---
    @@ -338,13 +338,14 @@ private[spark] class Client(
           throw new IllegalArgumentException(s"Required executor memory ($executorMemory" +
             s"+$executorMemoryOverhead MB) is above the max threshold ($maxMem MB) of this cluster! " +
             "Please check the values of 'yarn.scheduler.maximum-allocation-mb' and/or " +
    -        "'yarn.nodemanager.resource.memory-mb'.")
    +        "'yarn.nodemanager.resource.memory-mb and increase the memory appropriately.")
    --- End diff --
    
    What does this add?


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