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From "Li Bo (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8015) Erasure Coding: local and remote block writer for coding work in DataNode
Date Mon, 27 Apr 2015 07:41:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Li Bo updated HDFS-8015:
------------------------
    Attachment: HDFS-8015-000.patch

Patch 000 is an initial version showing the implementation of BlockWriter used in Datanode
side.

> 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
>         Attachments: HDFS-8015-000.patch
>
>
> 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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