Github user zsxwing commented on the pull request:
https://github.com/apache/spark/pull/5004#issuecomment-78926462
> once there is an uncaught exception, we stop the program...
Yes. So I suggests only threads created by Spark should set
SparkUncaughtExceptionHandler. I think if a Spark internal thread throws an
uncaught exception, it often means some Spark internal module has crashed. Just
my 2 cents about improving the robustness.
Of course, look good to me about your changes.
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