Saisai Shao created SPARK-10558:
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             Summary: Wrong executor state in standalone master because of 
wrong state transition
                 Key: SPARK-10558
                 URL: https://issues.apache.org/jira/browse/SPARK-10558
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 1.5.0
            Reporter: Saisai Shao


Because of concurrency issue in executor state transition, the executor state 
saved in standalone may possibly be {{LOADING}} rather than {{RUNNING}}. This 
is because of {{RUNNING}} state is delivered earlier than {{LOADING}}.

We have to guarantee the correct state changing, like: LAUNCHING -> LOADING -> 
RUNNING.



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