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https://issues.apache.org/jira/browse/ACCUMULO-3590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Elser updated ACCUMULO-3590:
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Fix Version/s: (was: 1.7.0)
1.8.0
> Rolling upgrade support
> -----------------------
>
> Key: ACCUMULO-3590
> URL: https://issues.apache.org/jira/browse/ACCUMULO-3590
> Project: Accumulo
> Issue Type: Improvement
> Reporter: Josh Elser
> Fix For: 1.8.0
>
>
> We really lack any support for rolling upgrades between versions of Accumulo.
> Need to have a way to provide seamless upgrades between certain versions of
> Accumulo which minimize any downtime/impact on users of the system.
> Need to cover fundamental control features (like a rolling upgrade), changes
> to our serialized data structures (help prevent us from goofing up
> serialization across versions -- thrift/protobuf/etc), backwards/forward
> compatible RFile and WAL support (including control), lots of tests, and lots
> of documentation.
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