[hbck] Offline rebuild .META. from fs data only.
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                 Key: HBASE-4377
                 URL: https://issues.apache.org/jira/browse/HBASE-4377
             Project: HBase
          Issue Type: New Feature
            Reporter: Jonathan Hsieh


In a worst case situation, it may be helpful to have an offline .META. 
rebuilder that just looks at the file system's .regioninfos and rebuilds meta 
from scratch.  Users could move bad regions out until there is a clean rebuild. 
 

It would likely fill in region split holes.  Follow on work could given options 
to merge or select regions that overlap, or do online rebuilds.

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