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https://issues.apache.org/jira/browse/HADOOP-2907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573558#action_12573558
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Raghu Angadi commented on HADOOP-2907:
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> #810 release was a trunk release from Jan 4, running on a different cluster.
> Because we did not experience HADOOP-2883 with that release, I assumed that
> it did not write directly to DFS. Am I wrong?
Right. HADOOP-1707 went in on Jan 17th. What is relation to this Jira? All the
logs and times mentioned here are around Feb 19-24th or so.
> 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 "[EMAIL PROTECTED]" java.lang.OutOfMemoryError: Java heap
> space
> Exception in thread "DataNode: [dfs.data.dir-value]"
> java.lang.OutOfMemoryError: Java heap space
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