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https://issues.apache.org/jira/browse/SPARK-11354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-11354.
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Resolution: Incomplete
> Expose custom log4j to executor page in Spark standalone cluster
> -----------------------------------------------------------------
>
> Key: SPARK-11354
> URL: https://issues.apache.org/jira/browse/SPARK-11354
> Project: Spark
> Issue Type: Improvement
> Components: Web UI
> Reporter: Yongjia Wang
> Priority: Minor
> Labels: bulk-closed
> Attachments: custom log4j on executor page.png
>
>
> Spark uses log4j, which is very flexible. However, on the executor page in
> standalone cluster, only stdout and stderr are shown in the UI. In the
> default log4j profile, all messages are forwarded to System.err which is, in
> turn, written to the file stderr in executor directory. Similarly, stdout is
> written to the stdout file in executor directory.
> It would be very useful to show all the file appenders configured in a custom
> log4j profile. Right now, these file appenders are written to the executor
> directory, but they are not exposed to the UI.
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