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From "Jingcheng Du (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-16841) Data loss in MOB files after cloning a snapshot and deleting that snapshot
Date Fri, 14 Oct 2016 11:32:20 GMT
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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