[GitHub] spark pull request: [Spark-12260][wip][Streaming]Graceful Shutdown...

[chenghao-intel <gi...@git.apache.org>]

Github user chenghao-intel commented on the pull request:

    https://github.com/apache/spark/pull/10252#issuecomment-170436089
  
    After talk with @mwws offline, we probably need to serialize the `accumulator` variables as well.
    
    I personally agree with @srowen, we need to think provide better API, otherwise, app developers can implement the logic themselves.


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