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https://issues.apache.org/jira/browse/HADOOP-18103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17557679#comment-17557679
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Mukund Thakur commented on HADOOP-18103:
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merged in trunk
https://github.com/apache/hadoop/commit/e1842b2a749d79cbdc15c524515b9eda64c339d5
> High performance vectored read API in Hadoop
> --------------------------------------------
>
> Key: HADOOP-18103
> URL: https://issues.apache.org/jira/browse/HADOOP-18103
> Project: Hadoop Common
> Issue Type: New Feature
> Components: common, fs, fs/adl, fs/s3
> Reporter: Mukund Thakur
> Assignee: Mukund Thakur
> Priority: Major
> Labels: perfomance, pull-request-available
> Attachments: Vectored Read API for Hadoop FS_INCOMPLETE.pdf
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Add support for multiple ranged vectored read api in PositionedReadable. The
> default iterates through the ranges to read each synchronously, but the
> intent is that FSDataInputStream subclasses can make more efficient readers
> especially object stores implementation.
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