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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6917) Add an hdfs debug command to validate blocks, call recoverlease, etc.
Date Sun, 24 Aug 2014 19:39:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14108508#comment-14108508
] 

Yongjun Zhang commented on HDFS-6917:
-------------------------------------

Hi [~cmccabe], Thanks for the nice util, I ran the "verify" portion, and it works correctly
for me. I agree with [~aw]'s comment above.



> Add an hdfs debug command to validate blocks, call recoverlease, etc.
> ---------------------------------------------------------------------
>
>                 Key: HDFS-6917
>                 URL: https://issues.apache.org/jira/browse/HDFS-6917
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 2.6.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-6917.001.patch
>
>
> HDFS should have a debug command which could validate HDFS block files, call recoverLease,
and have some other functionality.  These commands would be purely for debugging and would
appear under a separate command hierarchy inside the hdfs command.  There would be no guarantee
of API stability for these commands and the debug submenu would not be listed by just typing
the "hdfs" command.



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