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https://issues.apache.org/jira/browse/HDFS-6620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephen Chu reassigned HDFS-6620:
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Assignee: Stephen Chu
Good idea, I can take this up. Talked to Uma who suggested that we also add a
test case for copying a snapshot file containing xattrs back to the main dfs
tree and verifying that the xattrs are retained.
> Snapshot docs should specify about preserve options with cp command
> -------------------------------------------------------------------
>
> Key: HDFS-6620
> URL: https://issues.apache.org/jira/browse/HDFS-6620
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.0.0, 2.5.0
> Reporter: Uma Maheswara Rao G
> Assignee: Stephen Chu
>
> Currently snapshot docs contains the cp command details for copying the
> snapshot files to regular dfs tree.
> http://hadoop.apache.org/docs/r2.3.0/hadoop-project-dist/hadoop-hdfs/HdfsSnapshots.html#Snapshot_Paths
> Copying a file from snapshot s0:
> hdfs dfs -cp /foo/.snapshot/s0/bar /tmp
> Since there are important properties(acls, xattrs..etc) for a file may need
> to copy back. But looking at this doc may mislead to copy with out using any
> options. So, It may be worth mentioning aboit that properties. Infact it
> should copy all properties by default from snapshot file.
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