zhijiang created FLINK-15306: -------------------------------- Summary: Adjust the default netty transport option from nio to auto Key: FLINK-15306 URL: https://issues.apache.org/jira/browse/FLINK-15306 Project: Flink Issue Type: Improvement Components: Runtime / Network Reporter: zhijiang Assignee: zhijiang Fix For: 1.11.0
The default option of `taskmanager.network.netty.transport` inĀ NettyShuffleEnvironmentOptions is `nio` now. As we know, the `epoll` mode can get better performance, less GC and have more advanced features which are only available on linux. Therefore it is better to adjust the default option to `auto` instead, and then the framework would automatically choose the proper mode based on the platform. We would further verify the performance effect via micro benchmark if possible. -- This message was sent by Atlassian Jira (v8.3.4#803005)