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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-4251) API Incompatibility - Sampler
Date Mon, 13 May 2013 18:09:16 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhijie Shen resolved MAPREDUCE-4251.
------------------------------------

    Resolution: Duplicate

It duplicates MAPREDUCE-5157. Reopen it if it is needed for 22 also.
                
> API Incompatibility - Sampler
> -----------------------------
>
>                 Key: MAPREDUCE-4251
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4251
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          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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