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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11641) Reduce cost of audit logging by using FileStatus instead of HdfsFileStatus
Date Tue, 11 Apr 2017 17:25:41 GMT

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

Daryn Sharp updated HDFS-11641:
-------------------------------
    Status: Patch Available  (was: Open)

> 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
>         Attachments: 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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