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https://issues.apache.org/jira/browse/TEZ-2222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14716169#comment-14716169
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Prasanth Jayachandran commented on TEZ-2222:
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[~sseth] Can you point me to the code that does the rotation of log files?
> Investigate moving to log4j2 for logging
> ----------------------------------------
>
> Key: TEZ-2222
> URL: https://issues.apache.org/jira/browse/TEZ-2222
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Siddharth Seth
>
> Via slf4j.
> Some bits to keep in mind
> - We have explicit code which rotates logs using direct log4j12 APIs. This
> should keep working. I believe the log4j2 APIs are different here
> - API compatibility between log4j12 / log4j2 can be problematic - if both end
> up on the classpath (I believe the APIs are different)
> - Hadoop dist includes a slf4j-log4j12 binding. Changing the default can
> result in sl4j-log4j12 and slf4j-log4j2 to co-exist by default - which could
> be problematic. Needs investigation.
> End of the day, we will likely need an option to use either of the two.
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