SPARK-6954. [YARN] ExecutorAllocationManager can end up requesting a negative n...#5704

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sryza:sandy-spark-6954

Commits on Apr 28, 2015

SPARK-6954. ExecutorAllocationManager can end up requesting a negative number of executors
sryza
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Commits on Apr 29, 2015

Avoid ramping up to an existing number of executors
sryza
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