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https://issues.apache.org/jira/browse/HDFS-8014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhe Zhang resolved HDFS-8014.
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    Resolution: Duplicate

Resolving the issue as HDFS-9719 already creates {{StripedBlockReader}}

> Erasure Coding: local and remote block reader for coding work in DataNode
> -------------------------------------------------------------------------
>
>                 Key: HDFS-8014
>                 URL: https://issues.apache.org/jira/browse/HDFS-8014
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Zhe Zhang
>
> As a task of HDFS-7344 ECWorker, in either stripping or non-stripping erasure 
> coding, to perform encoding or decoding, we need first to be able to read 
> locally or remotely data blocks. This is to come up block reader facility in 
> DataNode side. Better to think about the similar work done in client side, so 
> in future it's possible to unify the both.



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