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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3384) Add warning message for org.apache.hadoop.mapreduce.lib.reduce.LongSumReducer
Date Tue, 09 Jun 2015 03:36:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14578254#comment-14578254

Brahma Reddy Battula commented on MAPREDUCE-3384:

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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