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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11641) Reduce cost of audit logging by using FileStatus instead of HdfsFileStatus
Date Tue, 16 May 2017 20:58:04 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kihwal Lee updated HDFS-11641:
------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 2.8.2
                   3.0.0-alpha3
           Status: Resolved  (was: Patch Available)

I've committed this to trunk, branch-2 and branch-2.8. Thanks for reviewing [~wheat9]. 

> Reduce cost of audit logging by using FileStatus instead of HdfsFileStatus
> --------------------------------------------------------------------------
>
>                 Key: HDFS-11641
>                 URL: https://issues.apache.org/jira/browse/HDFS-11641
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>    Affects Versions: 2.0.0-alpha
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>             Fix For: 3.0.0-alpha3, 2.8.2
>
>         Attachments: HDFS-11641.1.patch, HDFS-11641.branch-2.patch, HDFS-11641.patch
>
>
> Audit logging operations create a HdfsFileStatus but audit logging promptly converts
it to a FileStatus to pass to the loggers.  A HdfsFileStatus is more expensive to create,
ex. multiple node to root scans for feature info that will only be discarded in the conversion
to FileStatus.  Operations should create a FileStatus to eliminate all the superfluous overhead.



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