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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2015/05/06 05:27:40 UTC
[jira] [Updated] (MAPREDUCE-3385) Add warning message for the
overflow in reduce() of
org.apache.hadoop.mapreduce.lib.reduce.IntSumReducer
[ https://issues.apache.org/jira/browse/MAPREDUCE-3385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Allen Wittenauer updated MAPREDUCE-3385:
----------------------------------------
Labels: BB2015-05-TBR (was: )
> Add warning message for the overflow in reduce() of org.apache.hadoop.mapreduce.lib.reduce.IntSumReducer
> --------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3385
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3385
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: JiangKai
> Priority: Minor
> Labels: BB2015-05-TBR
> Attachments: MAPREDUCE-3385.patch
>
>
> When we call the function reduce() of IntSumReducer,the result may overflow.
> We should send a warning message to users if overflow occurs.
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