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Posted to hdfs-issues@hadoop.apache.org by "Andrew Wang (JIRA)" <ji...@apache.org> on 2016/11/30 01:10:58 UTC
[jira] [Assigned] (HDFS-11188) Change min supported DN and NN
versions back to 2.x
[ https://issues.apache.org/jira/browse/HDFS-11188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Wang reassigned HDFS-11188:
----------------------------------
Assignee: Andrew Wang
> 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
>
> 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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