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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2177) Restarting the namenode when the secondary namenode is checkpointing seems to remove everything from /
Date Wed, 20 Jul 2011 16:12:57 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068466#comment-13068466
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Aaron T. Myers commented on HDFS-2177:
--------------------------------------

bq. After more investigation it was determined that when the edits log is empty and checkpointing
takes place it makes the image file empty as well. This is has no relation to the restart.
So may be we should change the title?

We should certainly change the title if you're confident that this is the observed behavior.

bq. Also does it make sense to investigate this post all the changes needed for HDFS-1073

Certainly worth re-investigating in trunk post HDFS-1073 merge, but we should look into this
as well for the 0.22 (and perhaps prior) branches.

> Restarting the namenode when the secondary namenode is checkpointing seems to remove
everything from /
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-2177
>                 URL: https://issues.apache.org/jira/browse/HDFS-2177
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.23.0
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>            Priority: Blocker
>             Fix For: 0.23.0
>
>
> This was again discovered by Arpit Gupta! Restarting the namenode when the secondary
namenode is checkpointing seems to remove everything from /

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