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https://issues.apache.org/jira/browse/HDFS-12724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Deepak Majeti updated HDFS-12724:
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Attachment: HDFS-12724.HDFS-8707.000.patch
> Add retry logic when data node block moves while reading
> --------------------------------------------------------
>
> Key: HDFS-12724
> URL: https://issues.apache.org/jira/browse/HDFS-12724
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Deepak Majeti
> Assignee: Deepak Majeti
> Attachments: HDFS-12724.HDFS-8707.000.patch
>
>
> It is possible for a data node block to move due to re-balance.
> Libhdfs++ must try a replica block when a block re-balance happens while
> reading data from that block.
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