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Posted to issues@flink.apache.org by "Stephan Ewen (Jira)" <ji...@apache.org> on 2020/02/11 09:22:00 UTC

[jira] [Closed] (FLINK-13235) Change the Netty default transport mode to auto

     [ https://issues.apache.org/jira/browse/FLINK-13235?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen closed FLINK-13235.
--------------------------------
    Resolution: Duplicate

Duplicate of FLINK-15306

> 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
>            Priority: Minor
>
> 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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