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https://issues.apache.org/jira/browse/MAPREDUCE-3385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14535389#comment-14535389
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Hadoop QA commented on MAPREDUCE-3385:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 14m 33s | Pre-patch trunk compilation is
healthy. |
| {color:green}+1{color} | @author | 0m 0s | The patch does not contain any
@author tags. |
| {color:red}-1{color} | tests included | 0m 0s | The patch doesn't appear
to include any new or modified tests. Please justify why no new tests are
needed for this patch. Also please list what manual steps were performed to
verify this patch. |
| {color:green}+1{color} | javac | 7m 31s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 9m 36s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 23s | The applied patch does
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle | 0m 48s | There were no new checkstyle
issues. |
| {color:green}+1{color} | whitespace | 0m 0s | The patch has no lines that
end in whitespace. |
| {color:green}+1{color} | install | 1m 36s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 38s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 1m 14s | The patch does not introduce
any new Findbugs (version 2.0.3) warnings. |
| {color:green}+1{color} | mapreduce tests | 1m 35s | Tests passed in
hadoop-mapreduce-client-core. |
| | | 37m 56s | |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12503043/MAPREDUCE-3385.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / f55d21d |
| hadoop-mapreduce-client-core test log |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5681/artifact/patchprocess/testrun_hadoop-mapreduce-client-core.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5681/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf909.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP
PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5681/console |
This message was automatically generated.
> 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-RFC
> 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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