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Date: Wed, 16 May 2012 22:31:07 +0000 (UTC)
From: "Benoy Antony (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-4251) API Incompatibility - Sampler
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-4251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13277211#comment-13277211 ] 

Benoy Antony commented on MAPREDUCE-4251:
-----------------------------------------

Thanks for the tip and comment, Harsh. The issue applies to trunk as well. I will provide patch for trunk soon.
                
> API Incompatibility - Sampler
> -----------------------------
>
>                 Key: MAPREDUCE-4251
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4251
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv1
>    Affects Versions: 0.22.0
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>            Priority: Minor
>         Attachments: MAPREDUCE-4251.patch
>
>
>  org.apache.hadoop.mapred.lib.InputSampler#Sampler in Hadoop 0.20 has been moved to org.apache.hadoop.mapreduce.lib.partition.InputSampler#Sampler in Hadoop 0.22
> The arguments of the getSample method in the Sampler class have also been changed, 0.22 use the new InputFormat, and 0.20 use the deprecated InputFormat, 0.22 use org.apache.hadoop.mapreduce.Job and 0.20use org.apache.hadoop.mapred.JobConf.
> So the programs compiled with old api has to be changed. 

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