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https://issues.apache.org/jira/browse/HDFS-7782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhe Zhang updated HDFS-7782:
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Attachment: HDFS-7782-000.patch
Initial patch to illustrate the idea. It uses hedged reading from the group of
DNs in the stripe and only supports pread now.
> Read a striping layout file from client side
> --------------------------------------------
>
> Key: HDFS-7782
> URL: https://issues.apache.org/jira/browse/HDFS-7782
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Li Bo
> Assignee: Zhe Zhang
> Attachments: HDFS-7782-000.patch
>
>
> If client wants to read a file, he is not necessary to know and handle what
> layout the file is. This sub task adds logic to DFSInputStream to support
> reading striping layout files.
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