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From "Vinayakumar B (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 Tue, 07 Apr 2015 09:40:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14482919#comment-14482919
] 

Vinayakumar B commented on HDFS-8023:
-------------------------------------

{{ECInfo}} also contains {{src}}, which might be helpful.
In future if we need to add any more information, we can add to ECInfo without need to change
the RPC signature itself.

> 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
>         Attachments: HDFS-8023-01.patch
>
>
> 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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