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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5270) Use thread pools in the datenode daemons
Date Fri, 27 Sep 2013 22:07:03 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Haohui Mai updated HDFS-5270:
-----------------------------

    Attachment: HDFS-5270.000.patch
    
> Use thread pools in the datenode daemons
> ----------------------------------------
>
>                 Key: HDFS-5270
>                 URL: https://issues.apache.org/jira/browse/HDFS-5270
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>         Attachments: HDFS-5270.000.patch
>
>
> The current implementation of the datanode creates a thread when a new request comes
in. This incurs high overheads for the creation / destruction of threads, making the datanode
unstable under high concurrent loads.
> This JIRA proposes to use a thread pool to reduce the overheads.

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