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Date: Tue, 25 Sep 2012 00:52:07 +1100 (NCT)
From: "Yanbo Liang (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-3878) Add an administrative command to
 download finalized edit log segments from the NN
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    [ https://issues.apache.org/jira/browse/HDFS-3878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13461793#comment-13461793 ] 

Yanbo Liang commented on HDFS-3878:
-----------------------------------

The patch is available, looking forward to reviews and comments.
                
> Add an administrative command to download finalized edit log segments from the NN
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-3878
>                 URL: https://issues.apache.org/jira/browse/HDFS-3878
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: hdfs client, name-node
>    Affects Versions: 2.0.0-alpha
>            Reporter: Aaron T. Myers
>              Labels: patch
>         Attachments: HDFS-3878.patch, HDFS-3878.patch, HDFS-3878.patch, HDFS-3878.patch
>
>
> Similarly to the `hdfs dfsadmin -fetchImage' command added in HDFS-2941, it would be nice to have an admin command capable of fetching edit log segments. This could be useful, for example, for use in a script designed to back up the NN on-disk metadata.

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