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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11604) Define and parse erasure code policies
Date Fri, 21 Apr 2017 05:58:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15978108#comment-15978108
] 

Hudson commented on HDFS-11604:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11619 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/11619/])
HDFS-11604. Define and parse erasure code policies. Contributed by Lin (kai.zheng: rev b0803388fc5ec03b774aa003f52232deb8db6f69)
* (add) hadoop-hdfs-project/hadoop-hdfs/src/main/conf/user_ec_policies.xml.template
* (add) hadoop-hdfs-project/hadoop-hdfs-client/src/test/java/org/apache/hadoop/hdfs/util/TestECPolicyLoader.java
* (add) hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/util/ECPolicyLoader.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HDFSErasureCoding.md


> Define and parse erasure code 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
>
>         Attachments: ec-config-sample.xml, ec-policy-config-sample-v2.xml, HDFS-11604-v1.patch,
HDFS-11604-v2.patch, HDFS-11604-v3.patch, HDFS-11604-v4.patch, HDFS-11604-v5.patch, HDFS-11604-v6.patch,
HDFS-11604-v7.patch, HDFS-11604-v8.patch
>
>
> According to recent discussions with [~andrew.wang] in HDFS-7337, 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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