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From "ZhuGuanyin (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5779) KeyFieldBasedPartitioner would lost data if specifed field not exist, and it should encode free not only support utf8
Date Wed, 13 May 2009 02:58:45 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ZhuGuanyin updated HADOOP-5779:
-------------------------------

    Attachment: encode-free-KeyFieldBasedPartitioner-v1.patch

create patsh using svn diff instead of diff

> 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-v1.patch, 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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