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Date: Fri, 12 Feb 2010 00:40:28 +0000 (UTC)
From: "Konstantin Shvachko (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Subject: [jira] Commented: (HDFS-955) FSImage.saveFSImage can lose edits
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    [ https://issues.apache.org/jira/browse/HDFS-955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12832760#action_12832760 ] 

Konstantin Shvachko commented on HDFS-955:
------------------------------------------

I'll take a look at your patch, thanks.

> FSImage.saveFSImage can lose edits
> ----------------------------------
>
>                 Key: HDFS-955
>                 URL: https://issues.apache.org/jira/browse/HDFS-955
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.20.1, 0.21.0, 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Blocker
>         Attachments: hdfs-955-moretests.txt, hdfs-955-unittest.txt, PurgeEditsBeforeImageSave.patch
>
>
> This is a continuation of a discussion from HDFS-909. The FSImage.saveFSImage function (implementing dfsadmin -saveNamespace) can corrupt the NN storage such that all current edits are lost.

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