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https://issues.apache.org/jira/browse/HDFS-5270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Busbey updated HDFS-5270:
------------------------------
    Status: Open  (was: Patch Available)

> 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
>              Labels: BB2015-05-TBR
>         Attachments: HDFS-5270.000.patch, HDFS-5270.2.patch, 
> TestConcurrentAccess.java
>
>
> 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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