zhijiang created FLINK-13235:
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Summary: Change the Netty default transport mode to auto
Key: FLINK-13235
URL: https://issues.apache.org/jira/browse/FLINK-13235
Project: Flink
Issue Type: Improvement
Components: Runtime / Network
Reporter: zhijiang
Assignee: zhijiang
The current default config for "taskmanager.net.transport" in
NettyShuffleEnvironmentOptions is "NIO". In order to use "EPOLL" mode which has
better performance and is recommended when available, we could change the
default config as "AUTO". Then the "NIO" mode is used as a fallback.
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