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From "Rui Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7866) Erasure coding: NameNode manages multiple erasure coding policies
Date Mon, 29 Feb 2016 02:31:18 GMT

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

Rui Li updated HDFS-7866:
    Attachment: HDFS-7866.9.patch

Fix test. I don't quite understand the checkstyle issue. The methods in {{INodeFileAttributes}}
are all public so not sure why it's complaining the public is redundant.
I'm also thinking about how to test multiple policies. One way may be to make all the tests
get the EC policy from {{StripedFileTestUtil}}, which in turn picks a policy randomly from
all system policies. This can be done in a separate JIRA of course. What do you guys think?

> 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, HDFS-7866.8.patch, HDFS-7866.9.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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