[jira] [Created] (FLINK-19600) Introduce PartitionedFile and the corresponding writer/reader for sort-merge based blocking shuffle

[Shang Yuanchun (Jira)]

Yingjie Cao created FLINK-19600:
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             Summary: Introduce PartitionedFile and the corresponding writer/reader for sort-merge based blocking shuffle
                 Key: FLINK-19600
                 URL: https://issues.apache.org/jira/browse/FLINK-19600
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Network
    Affects Versions: 1.12.0
            Reporter: Yingjie Cao
             Fix For: 1.12.0


PartitionedFile is the persistent file type of sort-merge based blocking shuffle. It stores data of all subpartitions in subpartition index order. PartitionedFile can be produced by PartitionedFileWriter and consumed by PartitionedFileReader. 



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