[ https://issues.apache.org/jira/browse/HDFS-2465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-2465:
------------------------------
Attachment: hdfs-2465.txt
> 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
>
>
> 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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