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Date: Fri, 17 Apr 2015 19:32:00 +0000 (UTC)
From: "Tsz Wo Nicholas Sze (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-8014) Erasure Coding: local and remote
 block reader for coding work in DataNode
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    [ https://issues.apache.org/jira/browse/HDFS-8014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14500502#comment-14500502 ] 

Tsz Wo Nicholas Sze commented on HDFS-8014:
-------------------------------------------

[~zhz], are you working on this? I believe so but want to make sure.

> 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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