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https://issues.apache.org/jira/browse/HADOOP-11646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14351143#comment-14351143
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Kai Zheng commented on HADOOP-11646:
------------------------------------

Thanks [~vinayrpet] for the codes !

> Erasure Coder API for encoding and decoding of block group
> ----------------------------------------------------------
>
>                 Key: HADOOP-11646
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11646
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>             Fix For: HDFS-7285
>
>         Attachments: HADOOP-11646-v4.patch, HDFS-7662-v1.patch, 
> HDFS-7662-v2.patch, HDFS-7662-v3.patch
>
>
> This is to define ErasureCoder API for encoding and decoding of BlockGroup. 
> Given a BlockGroup, ErasureCoder extracts data chunks from the blocks and 
> leverages RawErasureCoder defined in HADOOP-11514 to perform concrete 
> encoding or decoding. Note this mainly focuses on the basic fundamental 
> aspects, and solves encoding, data blocks recovering and etc. Regarding 
> parity blocks recovering, as it involves multiple steps, HADOOP-11550 will 
> handle it.



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