[GitHub] spark issue #17610: [SPARK-20131][Core]Use a separate lock for StandaloneSch...

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

Github user mridulm commented on the issue:

    https://github.com/apache/spark/pull/17610
  
    Isn't it not depending on 'this' being locked in super class method ?
    If it is not, then why not simply restrict lock to changing of `stopping` flag (if already set, return, else set and proceed down method) ? In which case, use of `this` will do without need for a new lock ?


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