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https://issues.apache.org/jira/browse/HDFS-11604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15950426#comment-15950426
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Kai Zheng commented on HDFS-11604:
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The work in
[HADOOP-11664-v3.patch|https://issues.apache.org/jira/secure/attachment/12707159/HADOOP-11664-v3.patch]
is a good starting for this.
> Define and parse erasure code codecs, schemas and policies
> ----------------------------------------------------------
>
> Key: HDFS-11604
> URL: https://issues.apache.org/jira/browse/HDFS-11604
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: erasure-coding
> Reporter: Kai Zheng
> Assignee: Lin Zeng
> Fix For: 3.0.0-alpha3
>
>
> According to recent discussions with [~andrew.wang], it would be good to
> support allowing users to define their own erasure code codecs, schemas and
> policies via an XML file. The XML file can be passed to a CLI cmd to parse
> and send to NameNode to persist and maintain.
> Open this task to define the XML format providing a default sample file to
> put in the configuration folder for users' reference, and implement the
> necessary parser utility.
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