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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3680) Allows customized audit logging in HDFS FSNamesystem
Date Thu, 29 Nov 2012 01:17:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13506116#comment-13506116
] 

Aaron T. Myers commented on HDFS-3680:
--------------------------------------

The latest patch looks pretty good to me. The only little issue that I noticed is that the
word "explicitly" is misspelled here:
{code}
+   * Default AuditLogger implementation; used when no access logger is
+   * defined in the config file. It can also be explocitly listed in the
{code}

I'm +1 on this patch once this is addressed.

Suresh - if you have any more comments about this latest patch, please chime in. I'd like
to commit this in the next day or two, but I'll obviously hold off if you've got more comments/concerns.
                
> 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: namenode
>    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 fa├žade), 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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