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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3697) Enable fadvise readahead by default
Date Fri, 20 Jul 2012 20:17:35 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Todd Lipcon updated HDFS-3697:

    Attachment: hdfs-3697.txt

Oops, typo in the XML made it malformed. New one passes xmllint.
> Enable fadvise readahead by default
> -----------------------------------
>                 Key: HDFS-3697
>                 URL: https://issues.apache.org/jira/browse/HDFS-3697
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node, performance
>    Affects Versions: 3.0.0, 2.2.0-alpha
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>         Attachments: hdfs-3697.txt, hdfs-3697.txt
> The fadvise features have been implemented for some time, and we've enabled them in production
at a lot of customer sites without difficulty. I'd like to enable them by default in future
versions so that users get this benefit without any manual configuration required.

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