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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9244) Support nested encryption zones
Date Tue, 02 Feb 2016 00:49:40 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Zhe Zhang updated HDFS-9244:
    Attachment: HDFS-9244.03.patch

Updating the patch per comments from Xiaoyu and Andrew under HDFS-9688.

I think for both movability check in general, and Trash support in specific, what really matters
is the *parent EZ* of a path. Instead of getting the EZ of a path and checking if the EZ is
equal to the path itself, we should just directly get the parent EZ.

One caveat is whether we should allow moving the root dir of a nested EZ itself. E.g., should
{{mv /topEZ/nestedEZ /nesteEZ}} be allowed? How about we disallow it in this initial patch,
and revisit if such flexibility is asked for?

> Support nested encryption zones
> -------------------------------
>                 Key: HDFS-9244
>                 URL: https://issues.apache.org/jira/browse/HDFS-9244
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: encryption
>            Reporter: Xiaoyu Yao
>            Assignee: Zhe Zhang
>         Attachments: HDFS-9244.00.patch, HDFS-9244.01.patch, HDFS-9244.02.patch, HDFS-9244.03.patch
> This JIRA is opened to track adding support of nested encryption zone based on [~andrew.wang]'s
[comment |https://issues.apache.org/jira/browse/HDFS-8747?focusedCommentId=14654141&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14654141]
for certain use cases.

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