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Posted to common-dev@hadoop.apache.org by "Sameer Paranjpye (JIRA)" <ji...@apache.org> on 2006/03/10 23:52:39 UTC
[jira] Updated: (HADOOP-2) Reused Keys and Values fail with a
Combiner
[ http://issues.apache.org/jira/browse/HADOOP-2?page=all ]
Sameer Paranjpye updated HADOOP-2:
----------------------------------
Fix Version: 0.1
> Reused Keys and Values fail with a Combiner
> -------------------------------------------
>
> Key: HADOOP-2
> URL: http://issues.apache.org/jira/browse/HADOOP-2
> Project: Hadoop
> Type: Bug
> Components: mapred
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.1
>
> 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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