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from 9951be8 [FLINK-21332] Optimize releasing result partitions in RegionPartitionReleaseStrategy add ae0a615 [FLINK-20757][network] Optimize data broadcast for sort-merge blocking shuffle No new revisions were added by this update. Summary of changes: .../network/partition/PartitionedFileWriter.java | 84 +++++++++++--- .../partition/SortMergeResultPartition.java | 126 ++++++++++++++------- .../io/network/partition/PartitionTestUtils.java | 2 +- .../partition/PartitionedFileWriteReadTest.java | 28 +++-- .../partition/SortMergeResultPartitionTest.java | 57 ++++++++-- 5 files changed, 222 insertions(+), 75 deletions(-)