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https://issues.apache.org/jira/browse/HDFS-335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved HDFS-335.
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Resolution: Incomplete
I'm going to close this as stale.
> improve singleton handling in DataNode
> --------------------------------------
>
> Key: HDFS-335
> URL: https://issues.apache.org/jira/browse/HDFS-335
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Steve Loughran
> Priority: Minor
>
> when a DataNode is constructed, it saves its identity to a static field:
> datanodeObject=this;
> 1. there's no check on what if this is already set
> 2. when the datanode terminates, it may want to set this to null
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