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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9273) ACLs on root directory may be lost after NN restart
Date Wed, 21 Oct 2015 01:08:28 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9273?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Xiao Chen updated HDFS-9273:
    Attachment: HDFS-9273.001.patch

Attached patch 001. Please review and advice, thanks.
The fix is to copy the AclFeature from the temporary root variable to {{rootDir}} of FSDirectory.
Added a test case to simulate the scenario of loading root directory's ACL from FsImage.

> ACLs on root directory may be lost after NN restart
> ---------------------------------------------------
>                 Key: HDFS-9273
>                 URL: https://issues.apache.org/jira/browse/HDFS-9273
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: HDFS
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>         Attachments: HDFS-9273.001.patch
> After restarting namenode, the ACLs on the root directory ("/") may be lost if it's rolled
over to fsimage.

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