[jira] [Created] (FLINK-19348) Introduce CacheSource and CacheSink

[Shang Yuanchun (Jira)]

Xuannan Su created FLINK-19348:
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             Summary: Introduce CacheSource and CacheSink
                 Key: FLINK-19348
                 URL: https://issues.apache.org/jira/browse/FLINK-19348
             Project: Flink
          Issue Type: Sub-task
            Reporter: Xuannan Su






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