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From "SammiChen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12395) Support erasure coding policy operations in namenode edit log
Date Wed, 13 Sep 2017 10:59:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16164482#comment-16164482

SammiChen commented on HDFS-12395:

Thanks [~drankye] & [~rakeshr] reviewing the patch!  

Following comments will be added later as the follow-ons.  All other comments are addressed
in the 003.patch
3. You changes in DFSClient looks like some bug fix to existing codes.
4. Refactor: getEcPolicy => getErasureCodingPolicy; AddECPolicyResponse => AddErasureCodingPolicyResponse
5. Don't quite like the way to sort the map by creating a tree map. And also, could we improve
ECSchema to ensure extraOptions is sorted already, so we don't need to consider doing it in
every places? If you'd do this, please in separate issue.

> Support erasure coding policy operations in namenode edit log
> -------------------------------------------------------------
>                 Key: HDFS-12395
>                 URL: https://issues.apache.org/jira/browse/HDFS-12395
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: erasure-coding
>            Reporter: SammiChen
>            Assignee: SammiChen
>              Labels: hdfs-ec-3.0-must-do
>         Attachments: editsStored, HDFS-12395.001.patch, HDFS-12395.002.patch, HDFS-12395.003.patch
> Support add, remove, disable, enable erasure coding policy operation in edit log. 

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