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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-2) Reused Keys and Values fail with a Combiner
Date Fri, 12 Apr 2013 20:34:18 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13630602#comment-13630602

Hudson commented on HADOOP-2:

Integrated in Accumulo-1.5 #76 (See [https://builds.apache.org/job/Accumulo-1.5/76/])
    ACCUMULO-804: start-dfs.sh is in a different place in hadoop-2 (Revision 1467401)

     Result = SUCCESS
> Reused Keys and Values fail with a Combiner
> -------------------------------------------
>                 Key: HADOOP-2
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>             Fix For: 0.1.0
>         Attachments: clone-map-output.patch
> If the map function reuses the key or value by destructively modifying it after the output.collect(key,value)
call and your application uses a combiner, the data is corrupted by having lots of instances
with the last key or value.

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