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https://issues.apache.org/jira/browse/HDFS-12484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang updated HDFS-12484:
-----------------------------------
    Hadoop Flags:   (was: Incompatible change)

> hdfs dfs -expunge requires superuser permission after 2.8
> ---------------------------------------------------------
>
>                 Key: HDFS-12484
>                 URL: https://issues.apache.org/jira/browse/HDFS-12484
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 2.8.0, 3.0.0-alpha1
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>         Attachments: HDFS-12484.001.patch
>
>
> Hadoop 2.8 added a feature to support trash inside encryption zones, which is 
> a great feature to have.
> However, it breaks the existing -expunge semantics because now a user must 
> have superuser permission in order to -expunge. The reason behind that is 
> that -expunge gets all encryption zone paths using 
> DFSClient#listEncryptionZones, which requires super user permission.
> Not sure what's the best way to address this, so file this jira to invite 
> comments.



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