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https://issues.apache.org/jira/browse/HBASE-8352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13633074#comment-13633074
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Ted Yu commented on HBASE-8352:
-------------------------------

See release notes in HDFS-4666 for how ".snapshot" is handled by hdfs with 
snapshot capability.
                
> Rename '.snapshot' directory
> ----------------------------
>
>                 Key: HBASE-8352
>                 URL: https://issues.apache.org/jira/browse/HBASE-8352
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Critical
>             Fix For: 0.98.0, 0.94.7, 0.95.1
>
>         Attachments: 8352-0.94-v1.txt, 8352-trunk.txt, 8352-trunk-v2.txt
>
>
> Testing HBase Snapshot on top of Hadoop's Snapshot branch 
> (http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-2802/), we found 
> that both features used '.snapshot' directory to store metadata.
> HDFS (built from HDFS-2802 branch) doesn't allow paths with .snapshot as a 
> component
> From discussion on d...@hbase.apache.org, (see 
> http://search-hadoop.com/m/kY6C3cXMs51), consensus was to rename '.snapshot' 
> directory in HBase so that both features can co-exist smoothly.

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