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From "Yi Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11541) Raw XOR coder
Date Sun, 08 Feb 2015 03:01:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14311070#comment-14311070
] 

Yi Liu commented on HADOOP-11541:
---------------------------------

Kai, another thing for the committing. 
For the log, I see you only write:
{quote}
HADOOP-11541. Raw XOR coder
{quote}
You should also write the contribution name, so it should by something like:
{quote}
HADOOP-11541. Raw XOR coder. (Contributed by Kai Zheng)
{quote}

Also you should change the corresponding {{CHANGES.txt}}, we should have a separate {{CHANGES.txt}}
file for the HDFS-EC branch and you should update it.

> Raw XOR coder
> -------------
>
>                 Key: HADOOP-11541
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11541
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>             Fix For: HDFS-EC
>
>         Attachments: HADOOP-11541-v1.patch, HADOOP-11541-v2.patch
>
>
> This will implement XOR codes by porting the codes from HDFS-RAID. The coder in the algorithm
is needed by some high level codecs like LRC.



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