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https://issues.apache.org/jira/browse/HDFS-1865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13026131#comment-13026131
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dhruba borthakur commented on HDFS-1865:
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why not share the DFSClient itself?
> Share LeaseChecker thread among DFSClients
> ------------------------------------------
>
> Key: HDFS-1865
> URL: https://issues.apache.org/jira/browse/HDFS-1865
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs client
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
>
> Each {{DFSClient}} runs a {{LeaseChecker}} thread within a JVM. The number
> threads could be reduced by sharing the threads.
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