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https://issues.apache.org/jira/browse/HDFS-4814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HDFS-4814:
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Attachment: h4814_20130510.patch
h4814_20130510.patch: adds dfs.datanode.transfer.thread.stack.
> Configurable DataXceiver thread stack size
> ------------------------------------------
>
> Key: HDFS-4814
> URL: https://issues.apache.org/jira/browse/HDFS-4814
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: datanode
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h4814_20130510.patch
>
>
> By default, Java creates a thread with 512kB stack size. In Datanode, we may
> have 4096 or more DataXceiver threads. These threads do not require such
> large stack size and unnecessarily occupy a large amount of memory.
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