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Posted to hdfs-issues@hadoop.apache.org by "Kai Sasaki (JIRA)" <ji...@apache.org> on 2015/03/02 10:02:05 UTC

[jira] [Updated] (HDFS-7302) namenode -rollingUpgrade downgrade may finalize a rolling upgrade

     [ https://issues.apache.org/jira/browse/HDFS-7302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kai Sasaki updated HDFS-7302:
-----------------------------
    Attachment: HDFS-7302.3.patch

> namenode -rollingUpgrade downgrade may finalize a rolling upgrade
> -----------------------------------------------------------------
>
>                 Key: HDFS-7302
>                 URL: https://issues.apache.org/jira/browse/HDFS-7302
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Kai Sasaki
>              Labels: document, hdfs
>         Attachments: HADOOP-7302.1.patch, HDFS-7302.2.patch, HDFS-7302.3.patch
>
>
> The namenode startup option "-rollingUpgrade downgrade" is originally designed for downgrading cluster.  However, running "namenode -rollingUpgrade downgrade" with the new software could result in finalizing the ongoing rolling upgrade.



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