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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9016) Display upgrade domain information in fsck
Date Mon, 18 Apr 2016 18:16:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15246223#comment-15246223
] 

Allen Wittenauer commented on HDFS-9016:
----------------------------------------

If it changes the output in any way/shape/form, it's not backward compatible.  See http://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/Compatibility.html#Command_Line_Interface_CLI
.

> Display upgrade domain information in fsck
> ------------------------------------------
>
>                 Key: HDFS-9016
>                 URL: https://issues.apache.org/jira/browse/HDFS-9016
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Ming Ma
>            Assignee: Ming Ma
>         Attachments: HDFS-9016.patch
>
>
> This will make it easy for people to use fsck to check block placement when upgrade domain
is enabled.



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