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Posted to common-issues@hadoop.apache.org by "Vinayakumar B (JIRA)" <ji...@apache.org> on 2015/03/09 08:04:38 UTC

[jira] [Resolved] (HADOOP-11646) Erasure Coder API for encoding and decoding of block group

     [ https://issues.apache.org/jira/browse/HADOOP-11646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinayakumar B resolved HADOOP-11646.
------------------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed

Committed to HDFS-7285 branch.

> 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, HADOOP-11646-v5.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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