Jingcheng Du created HBASE-16841:

             Summary: Data loss in MOB files after cloning a snapshot and 
deleting that snapshot
                 Key: HBASE-16841
                 URL: https://issues.apache.org/jira/browse/HBASE-16841
             Project: HBase
          Issue Type: Bug
          Components: mob, snapshots
            Reporter: Jingcheng Du
            Assignee: Jingcheng Du

When taking a snapshot on a enabled mob table, a region flushes itself and 
takes a snapshot, and the mob snapshot is taken if it is first region of the 
table. At that time, the flushing of some regions might not be finished, and 
some mob files are not flushed to disk yet. Eventually some mob files are not 
existent in the snapshot manifest.
We need to have a mob manifest for each region server after the snapshot of all 
online regions in that server are finished, and merge them in master when all 
the snapshots of regions are finished at last.

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