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https://issues.apache.org/jira/browse/SPARK-8981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14623700#comment-14623700
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Paweł Kopiczko commented on SPARK-8981:
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slf4j supports MDC as well: http://www.slf4j.org/api/org/slf4j/MDC.html
I've analysed how {{Logging}} trait is implemented. If I'm correct every
executor process calls {{initializeLogging}} method because of transient
{{log_}} field. It looks to me that right now it's impossible to pass there
{{SparkContext}} instance (or any other value) without breaking the API. Do you
agree? Have you any idea how to bypass that?
Int terms of this comment: ??This will likely be changed or removed in future
releases.??, are you considering any change right now?
> Set applicationId and appName in log4j MDC
> ------------------------------------------
>
> Key: SPARK-8981
> URL: https://issues.apache.org/jira/browse/SPARK-8981
> Project: Spark
> Issue Type: New Feature
> Components: Spark Core
> Reporter: Paweł Kopiczko
> Priority: Minor
>
> It would be nice to have, because it's good to have logs in one file when
> using log agents (like logentires) in standalone mode. Also allows
> configuring rolling file appender without a mess when multiple applications
> are running.
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