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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11646) Erasure Coder API for encoding and decoding of block group
Date Fri, 06 Mar 2015 07:07:38 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350048#comment-14350048

Kai Zheng commented on HADOOP-11646:

I uploaded a new patch. In addition to above changes, I also reverted back the {{coder}} package
from {{blockcoder}}. When I have finally almost all the codes in hand, the original package
looks more comfortable to me. In {{org.apache.hadoop.io.erasurecode}} we will have {{coder}},
{{codec}}, and {{rawcoder}} sub-packages.

> 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
HDFS-7353 to perform concrete encoding or decoding.

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