Tathagata Das created SPARK-15889:
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             Summary: Add a unique id to ContinuousQuery
                 Key: SPARK-15889
                 URL: https://issues.apache.org/jira/browse/SPARK-15889
             Project: Spark
          Issue Type: Sub-task
            Reporter: Tathagata Das
            Assignee: Tathagata Das


ContinuousQueries have names that are unique across all the active ones. 
However, when queries are rapidly restarted with same name, it causes races 
conditions with the listener. A listener event from a stopped query can arrive 
after the query has been restarted, leading to complexities in monitoring 
infrastructure.



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