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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-2596) Document failure mode around persistent version upgrades
Date Mon, 31 Mar 2014 18:58:16 GMT
Sean Busbey created ACCUMULO-2596:
-------------------------------------

             Summary: Document failure mode around persistent version upgrades
                 Key: ACCUMULO-2596
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2596
             Project: Accumulo
          Issue Type: Task
          Components: docs, master
    Affects Versions: 1.5.1, 1.4.5, 1.6.0
            Reporter: Sean Busbey
            Priority: Minor
             Fix For: 1.5.2, 1.6.1, 1.7.0


updateAccumuloVersion does a non-atomic update of the persisted version, and getPersistentVersion
relies on the ordering of the underlying fs/Volume to determine which version to return.

We should document what happens when there's a partial failure, improve reporting in it to
the operator, and document how to fix it.



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