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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11188) Change min supported DN and NN versions back to 2.x
Date Wed, 30 Nov 2016 01:13:59 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Andrew Wang updated HDFS-11188:
    Status: Patch Available  (was: Open)

> Change min supported DN and NN versions back to 2.x
> ---------------------------------------------------
>                 Key: HDFS-11188
>                 URL: https://issues.apache.org/jira/browse/HDFS-11188
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: rolling upgrades
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>            Priority: Critical
>         Attachments: HDFS-11188.001.patch
> This is the inverse of HDFS-10398 and HADOOP-13142. Currently, trunk requires a software
DN and NN version of 3.0.0-alpha1. This means we cannot perform a rolling upgrade from 2.x
to 3.x.
> The first step towards supporting rolling upgrade is changing these back to a 2.x version.
For reference, branch-2 has these versions set to "2.1.0-beta".

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