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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5779) KeyFieldBasedPartitioner would lost data if specifed field not exist, and it should encode free not only support utf8
Date Fri, 08 May 2009 20:58:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12707525#action_12707525
] 

Hadoop QA commented on HADOOP-5779:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12407333/encode-free-KeyFieldBasedPartitioner.patch
  against trunk revision 772960.

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

    -1 patch.  The patch command could not apply the patch.

Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/307/console

This message is automatically generated.

> KeyFieldBasedPartitioner would lost data if specifed field not exist, and it should encode
free not only support utf8
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5779
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5779
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.20.0
>            Reporter: ZhuGuanyin
>             Fix For: 0.21.0
>
>         Attachments: encode-free-KeyFieldBasedPartitioner.patch
>
>
> 1) Currently,  KeyFieldBasedPartitioner only support utf8 encoded recored,  we should
use text or byteswriteable data types.
> 2) when using KeyFieldBasedPartitioner, if the record doesn't contain the specified field,
the endChar would equal with array.length, which throw ArrayOutOfIndex exception, losting
that record!

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