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From "Corey J. Nolet (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ACCUMULO-2596) Document failure mode around persistent version upgrades
Date Thu, 18 Dec 2014 03:41:14 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-2596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Corey J. Nolet updated ACCUMULO-2596:
-------------------------------------
    Fix Version/s:     (was: 1.6.2)
                   1.6.3

> 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: 1.4.5, 1.5.1, 1.6.0
>            Reporter: Sean Busbey
>            Priority: Minor
>              Labels: upgrade
>             Fix For: 1.5.3, 1.7.0, 1.6.3
>
>
> 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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