support undelete, snapshots, or other mechanism to recover lost files
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Key: HADOOP-432
URL: http://issues.apache.org/jira/browse/HADOOP-432
Project: Hadoop
Issue Type: Improvement
Reporter: Yoram Arnon
currently, once you delete a file it's gone forever.
most file systems allow some form of recovery of deleted files.
a simple solution would be an 'undelete' command.
a more comprehensive solution would include snapshots, manual and automatic,
with scheduling options.
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