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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11096) Support rolling upgrade between 2.x and 3.x
Date Thu, 02 Nov 2017 01:20:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang updated HDFS-11096:
-------------------------------
    Target Version/s: 3.0.1  (was: 3.0.0)

Thanks Sean, I'm going to bump this to 3.0.1 then.

> Support rolling upgrade between 2.x and 3.x
> -------------------------------------------
>
>                 Key: HDFS-11096
>                 URL: https://issues.apache.org/jira/browse/HDFS-11096
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: rolling upgrades
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Andrew Wang
>            Assignee: Sean Mackrory
>            Priority: Blocker
>         Attachments: HDFS-11096.001.patch, HDFS-11096.002.patch, HDFS-11096.003.patch,
HDFS-11096.004.patch, HDFS-11096.005.patch, HDFS-11096.006.patch, HDFS-11096.007.patch
>
>
> trunk has a minimum software version of 3.0.0-alpha1. This means we can't rolling upgrade
between branch-2 and trunk.
> This is a showstopper for large deployments. Unless there are very compelling reasons
to break compatibility, let's restore the ability to rolling upgrade to 3.x releases.



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