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Date: Thu, 26 Mar 2009 15:34:50 -0700 (PDT)
From: "Konstantin Shvachko (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-5467) Create an offline fsimage image
 viewer
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    [ https://issues.apache.org/jira/browse/HADOOP-5467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12689706#action_12689706 ] 

Konstantin Shvachko commented on HADOOP-5467:
---------------------------------------------

Ho about just imageProcessor for the package name instead of offlineImageProcessor. Word "offline" doesn't really add any value.


> Create an offline fsimage image viewer
> --------------------------------------
>
>                 Key: HADOOP-5467
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5467
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: dfs
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>         Attachments: fsimage.xml, HADOOP-5467.patch, HADOOP-5467.patch, HADOOP-5467.patch
>
>
> It would be useful to have a tool to examine/dump the contents of the fsimage file to human-readable form.  This would allow analysis of the namespace (file usage, block sizes, etc) without impacting the operation of the namenode.  XML would be reasonable output format, as it can be easily viewed, compressed and manipulated via either XSLT or XQuery.  
> I've started work on this and will have an initial version soon.

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