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From "Rui Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7866) Erasure coding: NameNode manages multiple erasure coding policies
Date Mon, 18 Jan 2016 12:17:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15105209#comment-15105209
] 

Rui Li commented on HDFS-7866:
------------------------------

Thanks Kai for the suggestions. I just filed HDFS-9658 to break this task into small pieces.
Will create more as we progress.

> Erasure coding: NameNode manages multiple erasure coding policies
> -----------------------------------------------------------------
>
>                 Key: HDFS-7866
>                 URL: https://issues.apache.org/jira/browse/HDFS-7866
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Rui Li
>         Attachments: HDFS-7866-v1.patch, HDFS-7866-v2.patch, HDFS-7866-v3.patch, HDFS-7866.4.patch,
HDFS-7866.5.patch, HDFS-7866.6.patch, HDFS-7866.7.patch
>
>
> This is to extend NameNode to load, list and sync predefine EC schemas in authorized
and controlled approach. The provided facilities will be used to implement DFSAdmin commands
so admin can list available EC schemas, then could choose some of them for target EC zones.



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