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[jira] [Created] (FLINK-10871) ExecutionEnvironment & TableEnvironment should be singleton


Jeff Zhang created FLINK-10871:
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             Summary: ExecutionEnvironment & TableEnvironment should be singleton
                 Key: FLINK-10871
                 URL: https://issues.apache.org/jira/browse/FLINK-10871
             Project: Flink
          Issue Type: Improvement
            Reporter: Jeff Zhang


For now, ExecutionEnvironment.getExecutionEnvironment and TableEnvironment.getTableEnvironment will always create a new object, I don't think singleton should be sufficient for flink app unless I misunderstand it. 



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