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https://issues.apache.org/jira/browse/HDFS-2177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068465#comment-13068465
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Arpit Gupta commented on HDFS-2177:
-----------------------------------

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?


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

> 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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