[jira] [Created] (FLINK-4504) Support user to decide whether the result of an operator is presistent

[Shang Yuanchun (Jira)]

shuai.xu created FLINK-4504:
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             Summary: Support user to decide whether the result of an operator is presistent
                 Key: FLINK-4504
                 URL: https://issues.apache.org/jira/browse/FLINK-4504
             Project: Flink
          Issue Type: Sub-task
          Components: DataSet API
            Reporter: shuai.xu


Support an api to user for deciding whether they need the result of an operator to be pipeline, spilled to local file or persisted to distribute file system.



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