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https://issues.apache.org/jira/browse/HADOOP-8316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273520#comment-13273520
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Patrick Hunt commented on HADOOP-8316:
--------------------------------------
+1
> Audit logging should be disabled by default
> -------------------------------------------
>
> Key: HADOOP-8316
> URL: https://issues.apache.org/jira/browse/HADOOP-8316
> Project: Hadoop Common
> Issue Type: Bug
> Components: conf
> Affects Versions: 2.0.0
> Reporter: Eli Collins
> Assignee: Eli Collins
> Attachments: hadoop-8316.txt
>
>
> HADOOP-7633 made hdfs, mr and security audit logging on by default (INFO
> level) in log4j.properties used for the packages, this then got copied over
> to the non-packaging log4j.properties in HADOOP-8216 (which made them
> consistent).
> Seems like we should keep with the v1.x setting which is disabled (WARNING
> level) by default. There's a performance overhead to audit logging, and
> HADOOP-7633 provided not rationale (just "We should add the audit logs as
> part of default confs") as to why they were enabled for the packages.
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