Uma Maheswara Rao G created HDFS-6620:
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Summary: 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
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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