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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9552) Document types of permission checks performed for HDFS operations.
Date Wed, 16 Dec 2015 21:16:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15060889#comment-15060889

Arpit Agarwal commented on HDFS-9552:

Nice work [~cnauroth], thanks for documenting this.

Should this be {{WRITE (target)}} instead of {{WRITE (source)}}?
concat                | NO [2]    | WRITE (source) | N/A                 | READ (source),
WRITE (destination) | N/A

The rest looks good to me.

> Document types of permission checks performed for HDFS operations.
> ------------------------------------------------------------------
>                 Key: HDFS-9552
>                 URL: https://issues.apache.org/jira/browse/HDFS-9552
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>         Attachments: HDFS-9552.001.patch, HDFS-9552.002.patch, hadoop-site.tar.bz2
> The HDFS permissions guide discusses our use of a POSIX-like model with read, write and
execute permissions associated with users, groups and the catch-all other class.  However,
there is no documentation that describes exactly what permission checks are performed by user-facing
HDFS operations.  This is a frequent source of questions, so it would be good to document

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