Yingjie Cao created FLINK-19601:
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Summary: Introduce sort-merge based blocking result partition
SortMergeResultPartition and the corresponding subpartition reader
Key: FLINK-19601
URL: https://issues.apache.org/jira/browse/FLINK-19601
Project: Flink
Issue Type: Sub-task
Components: Runtime / Network
Affects Versions: 1.12.0
Reporter: Yingjie Cao
Fix For: 1.12.0
SortMergeResultPartition appends all added records and events to a SortBuffer
and after the SortBuffer is full, all data in the SortBuffer will be copied and
spilled to a PartitionedFile in subpartition index order. Different from the
hash-based blocking shuffle implementation, SortMergeResultPartition can write
at most one file concurrently.
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