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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-11740) Combine erasure encoder and decoder interfaces
Date Thu, 26 Mar 2015 23:58:53 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11740?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhe Zhang updated HADOOP-11740:
-------------------------------
    Attachment: HADOOP-11740-000.patch

This initial patch simply removes {{ErasureEncoder}} and {{ErasureDecoder}}. I think the following
further simplifications are possible:
# We can get rid of {{ErasureCoder}} since it has a single subclass now ({{AbstractErasureCoder}}
# Similarly, maybe we can get rid of {{ErasureCodingStep}} since {{AbstractErasureCodingStep}}
provides enough abstraction anyway
# If {{ECBlockGroup}} can provide erased indices, we can further combine encoding and decoding
classes

> Combine erasure encoder and decoder interfaces
> ----------------------------------------------
>
>                 Key: HADOOP-11740
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11740
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: io
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>         Attachments: HADOOP-11740-000.patch
>
>
> Rationale [discussed | https://issues.apache.org/jira/browse/HDFS-7337?focusedCommentId=14376540&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14376540]
under HDFS-7337.



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