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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (Created) (JIRA)" <ji...@apache.org> on 2011/10/18 04:38:11 UTC

[jira] [Created] (HDFS-2465) Add HDFS support for fadvise readahead and drop-behind

Add HDFS support for fadvise readahead and drop-behind
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                 Key: HDFS-2465
                 URL: https://issues.apache.org/jira/browse/HDFS-2465
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: data-node
    Affects Versions: 0.23.0
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon


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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