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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6433) Add AsyncDiskService that is used in both hdfs and mapreduce
Date Mon, 14 Dec 2009 22:31:18 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12790418#action_12790418
] 

Hudson commented on HADOOP-6433:
--------------------------------

Integrated in Hadoop-Common-trunk-Commit #109 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-Common-trunk-Commit/109/])
    . Introduce asychronous deletion of files via a pool of
threads. This can be used to delete files in the Distributed Cache. 
(Zheng Shao via dhruba)


> Add AsyncDiskService that is used in both hdfs and mapreduce
> ------------------------------------------------------------
>
>                 Key: HADOOP-6433
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6433
>             Project: Hadoop Common
>          Issue Type: New Feature
>            Reporter: Zheng Shao
>            Assignee: Zheng Shao
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-6433.1.patch, HADOOP-6433.2.patch, HADOOP-6433.3.patch
>
>
> Both MAPREDUCE-1213 and HDFS-611 are using a class called AsyncDiskService.
> The idea is to create a thread pool per disk volume, and use that for scheduling async
disk operations.

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