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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7662) Erasure Coder API for encoding and decoding of block group
Date Sun, 08 Feb 2015 15:07:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7662?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kai Zheng updated HDFS-7662:
----------------------------
    Attachment: HDFS-7662-v3.patch

Refined the patch, adding more comments, removing RS coders from it but having XOR for the
workable example and test.

> Erasure Coder API for encoding and decoding of block group
> ----------------------------------------------------------
>
>                 Key: HDFS-7662
>                 URL: https://issues.apache.org/jira/browse/HDFS-7662
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>         Attachments: 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
HDFS-7353 to perform concrete encoding or decoding.



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