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Posted to dev@flink.apache.org by "Yingjie Cao (Jira)" <ji...@apache.org> on 2020/09/21 08:19:00 UTC

[jira] [Created] (FLINK-19312) Introduce BufferWritingResultPartition which wraps the logic of writing buffers to ResultSubpartition

Yingjie Cao created FLINK-19312:
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             Summary: Introduce BufferWritingResultPartition which wraps the logic of writing buffers to ResultSubpartition
                 Key: FLINK-19312
                 URL: https://issues.apache.org/jira/browse/FLINK-19312
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Network
            Reporter: Yingjie Cao
             Fix For: 1.12.0


In the current abstraction, buffers are written to and read from ResultSubpartition which is a hash-style data writing and reading implementation. In the future, sort-merge based ResultPartitionWriter will be implemented which can not share the current hash-style ResultSubpartition related logic. This ticket tries to introduce the BufferWritingResultPartition which wraps the logic related to ResultSubpartition, after which the ResultPartition is free of ResultSubpartition and can be reused by the future sort-merge based ResultPartitionWriter implementation.



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