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https://issues.apache.org/jira/browse/HDFS-1840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13021763#comment-13021763
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Tsz Wo (Nicholas), SZE commented on HDFS-1840:
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Thanks Suresh for the comments.
> Why is terminating the thread important?
Otherwise, the number of threads keeps increasing when there are multiple
{{DFSClient}}. This is particular important for server applications like
{{JobTracker}} or Oozie.
> 1. DFSClient.java ...
I will change everything in my next patch.
> Terminate LeaseChecker when all writing files are closed.
> ---------------------------------------------------------
>
> Key: HDFS-1840
> URL: https://issues.apache.org/jira/browse/HDFS-1840
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs client
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h1840_20110418.patch
>
>
> In {{DFSClient}}, when there are files opened for write, a {{LeaseChecker}}
> thread is started for updating the leases periodically. However, it never
> terminates when when all writing files are closed.
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