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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13200) Seeking a better approach allowing to customize and configure erasure coders
Date Wed, 25 May 2016 22:27:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15300997#comment-15300997
] 

Kai Zheng commented on HADOOP-13200:
------------------------------------

Hi [~cmccabe] and [~andrew.wang],

Thanks a lot for your time and the nice off-line talk! It's great to meet you face to face
personally.

As the refactoring work of HADOOP-13010 incurs significant change, the work (the ISA-L coder)
in HADOOP-11540 needs to be changed much accordingly. I'm currently work on it. As we discussed,
it would be great to include the work in HADOOP-13010 and HADOOP-11540 in the first cut of
Hadoop 3 so I will try to speed up to meet with the general schedule. Meanwhile let's continue
the discussion about how to support the customization and configuration of erasure coders,
and guess the work could be included in a subsequent Hadoop 3 release like alpha2? Kindly
help clarify if anything mistaken. Thanks!

> Seeking a better approach allowing to customize and configure erasure coders
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-13200
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13200
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>
> This is a follow-on task for HADOOP-13010 as discussed over there. There may be some
better approach allowing to customize and configure erasure coders than the current having
raw coder factory, as [~cmccabe] suggested. Will copy the relevant comments here to continue
the discussion.



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