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https://issues.apache.org/jira/browse/HDFS-4863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao updated HDFS-4863:
----------------------------

    Attachment: HDFS-4863.001.patch

A patch based on HDFS-4857.
                
> The root directory should be added to the snapshottable directory list while 
> loading fsimage 
> ---------------------------------------------------------------------------------------------
>
>                 Key: HDFS-4863
>                 URL: https://issues.apache.org/jira/browse/HDFS-4863
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: snapshots
>    Affects Versions: 3.0.0
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>              Labels: snapshots
>         Attachments: HDFS-4863.001.patch
>
>
> When the root directory is set as snapshottable, its snapshot quota is 
> changed from 0 to a positive number. While loading fsimage we should check 
> the root's snapshot quota and add it to snapshottable directory list in 
> SnapshotManager if necessary.

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