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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2012/07/20 21:11:35 UTC

[jira] [Created] (HDFS-3697) Enable fadvise readahead by default

Todd Lipcon created HDFS-3697:
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             Summary: 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


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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