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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2907) dead datanodes because of OutOfMemoryError
Date Fri, 29 Feb 2008 18:52:51 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573896#action_12573896
] 

Raghu Angadi commented on HADOOP-2907:
--------------------------------------

Thanks Christian. 2% is bad enough :). We need to find out if this is caused just by large
number of client connections or some other bug that gets triggered.

> dead datanodes because of OutOfMemoryError
> ------------------------------------------
>
>                 Key: HADOOP-2907
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2907
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.16.0
>            Reporter: Christian Kunz
>
> We see more dead datanodes than in previous releases. The common exception is found in
the out file:
> Exception in thread "org.apache.hadoop.dfs.DataBlockScanner@18166e5" java.lang.OutOfMemoryError:
Java heap space
> Exception in thread "DataNode: [dfs.data.dir-value]" java.lang.OutOfMemoryError: Java
heap space

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