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Posted to dev@hbase.apache.org by "Matteo Bertozzi (JIRA)" <ji...@apache.org> on 2013/02/19 17:07:12 UTC

[jira] [Created] (HBASE-7880) HFile Recovery/Rewrite Tool

Matteo Bertozzi created HBASE-7880:
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             Summary: HFile Recovery/Rewrite Tool
                 Key: HBASE-7880
                 URL: https://issues.apache.org/jira/browse/HBASE-7880
             Project: HBase
          Issue Type: New Feature
          Components: HFile
    Affects Versions: 0.96.0
            Reporter: Matteo Bertozzi
            Assignee: Matteo Bertozzi
            Priority: Minor


Sometimes is useful to have a tool to migrate files from a new version to an old version (e.g. convert a new XYZ encoded/compressed file to an old "uncompressed" format)

also it will be useful to been able to recover an hfile from a corrupted state. (e.g. trailer missing/broken, ...) 
The "user" can provide the information about the file (compression & co) and  try to recover as much as possible from the file by reading data blocks.

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