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https://issues.apache.org/jira/browse/FLINK-15306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-15306:
-----------------------------------
Labels: pull-request-available (was: )
> 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
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.11.0
>
>
> The default option of `taskmanager.network.netty.transport` in
> 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.
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