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https://issues.apache.org/jira/browse/HADOOP-5617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12700280#action_12700280
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Eric Yang commented on HADOOP-5617:
-----------------------------------
HADOOP_ROOT_LOGGER can be used to switch between the different appender. For
example, the default behavior is "INFO, DRFA". "INFO, chukwa.$command" can be
triggered through hadoop-env.sh which enable chukwa logging.
> make chukwa log4j configuration more transparent from hadoop
> ------------------------------------------------------------
>
> Key: HADOOP-5617
> URL: https://issues.apache.org/jira/browse/HADOOP-5617
> Project: Hadoop Core
> Issue Type: Improvement
> Components: build
> Environment: Redhat 5.1, Java 6
> Reporter: Eric Yang
> Priority: Minor
>
> The current log4j appender retro fitting to hadoop is less than ideal. In
> theory, the log4j appender configuration should be changable by the
> environment scripts. This ticket is to track any changes required to make
> hadoop log4j configuration more portable.
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