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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8018) Erasure Coding: on-demand erasure recovery for erased data serving client request in DataNode
Date Wed, 01 Apr 2015 13:29:53 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kai Zheng updated HDFS-8018:
----------------------------
    Parent Issue: HDFS-8030  (was: HDFS-7285)

> Erasure Coding: on-demand erasure recovery for erased data serving client request in
DataNode
> ---------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8018
>                 URL: https://issues.apache.org/jira/browse/HDFS-8018
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Yong Zhang
>
> As a task of HDFS-7344, this is to enhance and allow ECWorker to be able to serve data
on demand when client requests for erased blocks in *non-stripping* erasure coding case. In
stripping case, it's done in client side directly.



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