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From "Huafeng Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11467) Support ErasureCoding section in OIV XML/ReverseXML
Date Tue, 24 Oct 2017 03:41:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16216250#comment-16216250

Huafeng Wang commented on HDFS-11467:

Hi [~xiaochen], thanks for your review.
Sorry I don't fully get your second point. AFAIK fsimage is the snapshot of namespace so we
only need a disabled, an enabled and a removed ec policy  to test the section serialization/deserialization.
The combinations of state exchange make no difference here. Please correct me if I am wrong.

And also, I think now this issue is kind of blocked by HDFS-12682 since the serialized ec
policy will not have the right state so the test can not pass.

> Support ErasureCoding section in OIV XML/ReverseXML
> ---------------------------------------------------
>                 Key: HDFS-11467
>                 URL: https://issues.apache.org/jira/browse/HDFS-11467
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: tools
>    Affects Versions: 3.0.0-alpha4
>            Reporter: Wei-Chiu Chuang
>            Assignee: Huafeng Wang
>            Priority: Blocker
>              Labels: hdfs-ec-3.0-must-do
>         Attachments: HDFS-11467.001.patch, HDFS-11467.002.patch
> As discussed in HDFS-7859, after ErasureCoding section is added into fsimage, we would
like to also support exporting this section into an XML back and forth using the OIV tool.

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