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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8023) Erasure Coding: retrieve eraure coding policy and schema for a block or file from NameNode
Date Fri, 03 Apr 2015 21:43:53 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14395129#comment-14395129
] 

Zhe Zhang commented on HDFS-8023:
---------------------------------

NameNode needs to represent schemas first.

> Erasure Coding: retrieve eraure coding policy and schema for a block or file from NameNode
> ------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8023
>                 URL: https://issues.apache.org/jira/browse/HDFS-8023
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Vinayakumar B
>
> NameNode needs to provide RPC call for client, tool, or DataNode to retrieve eraure coding
policy and schema for a block or file from NameNode.



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