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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