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From "Lohit Vijayarenu (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (HADOOP-3758) Excessive exceptions in HDFS namenode log file
Date Tue, 15 Jul 2008 06:13:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12613510#action_12613510
] 

lohit edited comment on HADOOP-3758 at 7/14/08 11:12 PM:
--------------------------------------------------------------------

Patch for trunk. I tested this by changing layout version and trying to start a datanode connecting
to namenode. It fails with IncorrectVersionException. 

      was (Author: lohit):
    Patch for trunk. I tested this my changing layout version and trying to connect a datanode.
It fails with IncorrectVersionException. 
  
> 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
>         Attachments: HADOOP-3758-18.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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