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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-955) FSImage.saveFSImage can lose edits
Date Wed, 10 Feb 2010 03:04:28 GMT

     [ https://issues.apache.org/jira/browse/HDFS-955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-955:
-----------------------------

    Attachment: hdfs-955-unittest.txt

Here is a test that shows the issue.

> 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-unittest.txt
>
>
> 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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