Yingjie Cao created FLINK-22307:
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Summary: Increase the data writing cache size of sort-merge
blocking shuffle
Key: FLINK-22307
URL: https://issues.apache.org/jira/browse/FLINK-22307
Project: Flink
Issue Type: Sub-task
Components: Runtime / Network
Reporter: Yingjie Cao
Fix For: 1.13.0
Currently, the data writing cache is 8M, which is not enough if data
compression is enabled. By increasing the cache size to 16M, the performance of
our benchmark job can be increased by about 20%. (We may make it configurable
in the future)
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