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From "Todd Lipcon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2465) Add HDFS support for fadvise readahead and drop-behind
Date Thu, 27 Oct 2011 23:57:33 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-2465:
------------------------------

    Attachment: hdfs-2465.txt

reuploading patch to trigger build. Also fixed the style nit Eli mentioned above.
                
> Add HDFS support for fadvise readahead and drop-behind
> ------------------------------------------------------
>
>                 Key: HDFS-2465
>                 URL: https://issues.apache.org/jira/browse/HDFS-2465
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node, performance
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hdfs-2465.txt, hdfs-2465.txt, hdfs-2465.txt
>
>
> This is the HDFS side of HADOOP-7714. The initial implementation is heuristic based and
should be considered experimental, as discussed in the parent JIRA. It should be off by default
until better heuristics, APIs, and tuning experience is developed.

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