Yingjie Cao created FLINK-22305:
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Summary: Increase the default value of
taskmanager.network.sort-shuffle.min-buffers
Key: FLINK-22305
URL: https://issues.apache.org/jira/browse/FLINK-22305
Project: Flink
Issue Type: Sub-task
Components: Runtime / Network
Reporter: Yingjie Cao
Fix For: 1.13.0
Currently, the default value of taskmanager.network.sort-shuffle.min-buffers is
64, which is pretty small. As suggested, we'd like to increase the default
value of taskmanager.network.sort-shuffle.min-buffers. By increasing the
default taskmanager.network.sort-shuffle.min-buffers, the corner case of very
small in-memory sort-buffer and write-buffer can be avoid, which is better for
performance.
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