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From "Yi Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8015) Erasure Coding: local and remote block writer for coding work in DataNode
Date Mon, 27 Apr 2015 06:15:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14513594#comment-14513594
] 

Yi Liu commented on HDFS-8015:
------------------------------

Hi Bo, for the striped block recovery in HDFS-7348, we don't need to a block writer, it's
convenient to send packet directly. I will update an initial patch in that JIRA later today.

> Erasure Coding: local and remote block writer for coding work in DataNode
> -------------------------------------------------------------------------
>
>                 Key: HDFS-8015
>                 URL: https://issues.apache.org/jira/browse/HDFS-8015
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Li Bo
>
> As a task of HDFS-7344 ECWorker, in either stripping or non-stripping erasure coding,
to perform encoding or decoding, we need to be able to write data blocks locally or remotely.
This is to come up block writer 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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