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https://issues.apache.org/jira/browse/HADOOP-3758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12624706#action_12624706
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Hudson commented on HADOOP-3758:
--------------------------------

Integrated in Hadoop-trunk #581 (See 
[http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/581/])

> Excessive exceptions in HDFS namenode log file
> ----------------------------------------------
>
>                 Key: HADOOP-3758
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3758
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.17.1
>            Reporter: Jim Huang
>            Assignee: Lohit Vijayarenu
>            Priority: Blocker
>             Fix For: 0.17.2
>
>         Attachments: HADOOP-3758-17.patch, HADOOP-3758-18.patch, 
> HADOOP-3758-trunk.patch, HADOOP-3758-trunk.patch
>
>
> I upgraded a big cluster, out of which 10 nodes did not get upgraded.  
> The namenode log showed excessive exceptions, causing the namenode log to ate 
> the entire partition space, in this case close to 700GB log file was 
> generated on the namenode.  

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