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Posted to mapreduce-dev@hadoop.apache.org by "JiangKai (Created) (JIRA)" <ji...@apache.org> on 2011/11/09 10:23:51 UTC
[jira] [Created] (MAPREDUCE-3384) Add warning message for
org.apache.hadoop.mapreduce.lib.reduce.LongSumReducer
Add warning message for org.apache.hadoop.mapreduce.lib.reduce.LongSumReducer
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Key: MAPREDUCE-3384
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3384
Project: Hadoop Map/Reduce
Issue Type: Improvement
Reporter: JiangKai
Priority: Minor
Fix For: 0.24.0
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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