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From "Brandon Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7753) Support fadvise and sync_data_range in NativeIO, add ReadaheadPool class
Date Wed, 11 Jul 2012 22:45:35 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brandon Li updated HADOOP-7753:
-------------------------------

    Attachment: HADOOP-7753.branch-1.patch

Removed guava dependency from the patch for branch-1.
                
> Support fadvise and sync_data_range in NativeIO, add ReadaheadPool class
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-7753
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7753
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: io, native, performance
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.23.0
>
>         Attachments: HADOOP-7753.branch-1.patch, HADOOP-7753.branch-1.patch, hadoop-7753.txt,
hadoop-7753.txt, hadoop-7753.txt, hadoop-7753.txt, hadoop-7753.txt
>
>
> This JIRA adds JNI wrappers for sync_data_range and posix_fadvise. It also implements
a ReadaheadPool class for future use from HDFS and MapReduce.

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