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https://issues.apache.org/jira/browse/MAPREDUCE-3384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14578254#comment-14578254
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Brahma Reddy Battula commented on MAPREDUCE-3384:
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1) Test failures are unrelated to this issue,Some are failing because
{{webapps/hdfs not found in CLASSPATH}}..I think, we need to raise seperate
jira to track these testcases..[~devaraj.k] please let me know your suggestion..
2) there are no findbug warnings in findbug report..
> Add warning message for org.apache.hadoop.mapreduce.lib.reduce.LongSumReducer
> -----------------------------------------------------------------------------
>
> Key: MAPREDUCE-3384
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3384
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: JiangKai
> Assignee: Brahma Reddy Battula
> Attachments: MAPREDUCE-3384-002.patch, MAPREDUCE-3384-003.patch,
> MAPREDUCE-3384.patch
>
>
> When we call the function reduce() of LongSumReducer,the result may overflow.
> We should send a warning message to users if overflow occurs.
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