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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11707) Add factory to create raw erasure coder
Date Wed, 30 Sep 2015 19:36:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14938500#comment-14938500
] 

Hudson commented on HADOOP-11707:
---------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #2408 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2408/])
HADOOP-11707. Add factory to create raw erasure coder.  Contributed by (zhezhang: rev 90d332d6be4ded4fb666670ecb009b36d7ced7db)
* hadoop-common-project/hadoop-common/CHANGES-HDFS-EC-7285.txt
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/rawcoder/JRSRawErasureCoderFactory.java
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/rawcoder/XorRawErasureCoderFactory.java
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/rawcoder/RawErasureCoderFactory.java


> Add factory to create raw erasure coder
> ---------------------------------------
>
>                 Key: HADOOP-11707
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11707
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: io
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>             Fix For: HDFS-7285
>
>         Attachments: HADOOP-11707-v1.patch
>
>
> We have {{RawErasureEncoder}} and {{RawErasureDecoder}} interface separately, which simplifies
the implementation of raw coders. This would require to configure raw encoder and decoder
respectively for a {{ErasureCoder}}, which isn't convenient. To simplify the configuration,
we would have coder factory to group encoder and decoder together so only a factory class
needs to be configured.



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