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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7866) Erasure coding: NameNode manages EC schemas
Date Tue, 14 Apr 2015 06:51:13 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Kai Zheng updated HDFS-7866:
    Attachment: HDFS-7866-v2.patch

Updated the patch, adding a test. Looks like there're not too much work left to be done here.

> Erasure coding: NameNode manages EC schemas
> -------------------------------------------
>                 Key: HDFS-7866
>                 URL: https://issues.apache.org/jira/browse/HDFS-7866
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>         Attachments: HDFS-7866-v1.patch, HDFS-7866-v2.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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