Mao, Wei created SPARK-12260:
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             Summary: Graceful Shutdown with In-Memory State
                 Key: SPARK-12260
                 URL: https://issues.apache.org/jira/browse/SPARK-12260
             Project: Spark
          Issue Type: New Feature
          Components: Streaming
            Reporter: Mao, Wei


Users often stop and restart their streaming jobs for tasks such as 
maintenance, software upgrades or even application logic updates. When a job 
re-starts it should pick up where it left off i.e. any state information that 
existed when the job stopped should be used as the initial state when the job 
restarts.



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