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Posted to hdfs-dev@hadoop.apache.org by "Suresh Srinivas (JIRA)" <ji...@apache.org> on 2014/02/25 22:53:22 UTC

[jira] [Resolved] (HDFS-3225) Revist upgrade snapshots, roll back, finalize to enable rolling upgrades

     [ https://issues.apache.org/jira/browse/HDFS-3225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suresh Srinivas resolved HDFS-3225.
-----------------------------------

    Resolution: Done

The rolling upgrade and the related issues have been address in the umbrella jiar, HDFS-5535. I do not think there is any work that needs to be done to address this. Resolving this as "Done"

> Revist upgrade snapshots, roll back, finalize to enable rolling upgrades
> ------------------------------------------------------------------------
>
>                 Key: HDFS-3225
>                 URL: https://issues.apache.org/jira/browse/HDFS-3225
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>
> With introduction of wire comaptibility, HDFS is ready for rolling upgrades. Various design choices such as version checks and when to do upgrade snaopshots, rollbacks, finalize need to be revisited.



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