GitHub user jinxing64 opened a pull request:

    [SPARK-24294] Throw SparkException when OOM in BroadcastExchangeExec

    ## What changes were proposed in this pull request?
    When OutOfMemoryError thrown from BroadcastExchangeExec, 
scala.concurrent.Future will hit scala bug –, and hang until future timeout:
    We could wrap the OOM inside SparkException to resolve this issue.
    ## How was this patch tested?
    Manually tested.

You can merge this pull request into a Git repository by running:

    $ git pull SPARK-24294

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #21342
commit 9d83f1fa397e205a826c2719a3b2978dae7d09ed
Author: jinxing <jinxing6042@...>
Date:   2018-05-16T07:49:34Z

    [SPARK-24294] Throw SparkException when OOM in BroadcastExchangeExec



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