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https://issues.apache.org/jira/browse/HDFS-3680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13496700#comment-13496700
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Aaron T. Myers commented on HDFS-3680:
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Suresh, are you satisfied with Marcelo's responses to your comments? If so,
I'll go ahead and review this patch for commit.
> Allows customized audit logging in HDFS FSNamesystem
> ----------------------------------------------------
>
> Key: HDFS-3680
> URL: https://issues.apache.org/jira/browse/HDFS-3680
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 2.0.0-alpha
> Reporter: Marcelo Vanzin
> Assignee: Marcelo Vanzin
> Priority: Minor
> Attachments: accesslogger-v1.patch, accesslogger-v2.patch,
> hdfs-3680-v3.patch, hdfs-3680-v4.patch, hdfs-3680-v5.patch,
> hdfs-3680-v6.patch, hdfs-3680-v7.patch, hdfs-3680-v8.patch, hdfs-3680-v9.patch
>
>
> Currently, FSNamesystem writes audit logs to a logger; that makes it easy to
> get audit logs in some log file. But it makes it kinda tricky to store audit
> logs in any other way (let's say a database), because it would require the
> code to implement a log appender (and thus know what logging system is
> actually being used underneath the façade), and parse the textual log message
> generated by FSNamesystem.
> I'm attaching a patch that introduces a cleaner interface for this use case.
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