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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4814) Configurable DataXceiver thread stack size
Date Sat, 11 May 2013 00:19:16 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HDFS-4814:
-----------------------------------------

    Status: Patch Available  (was: Open)
    
> 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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