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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3384) Add warning message for org.apache.hadoop.mapreduce.lib.reduce.LongSumReducer
Date Mon, 08 Jun 2015 14:10:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14577237#comment-14577237
] 

Hadoop QA commented on MAPREDUCE-3384:
--------------------------------------

\\
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 48s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 2 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 49s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 59s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   1m 31s | There were no new checkstyle issues. |
| {color:red}-1{color} | whitespace |   0m  0s | The patch has 2  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 35s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:red}-1{color} | findbugs |   3m 11s | The patch appears to introduce 1 new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | mapreduce tests |   1m 38s | Tests passed in hadoop-mapreduce-client-core.
|
| {color:red}-1{color} | mapreduce tests |  77m 13s | Tests failed in hadoop-mapreduce-client-jobclient.
|
| {color:green}+1{color} | mapreduce tests |   2m 25s | Tests passed in hadoop-mapreduce-client-nativetask.
|
| | | 124m  8s | |
\\
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|| Reason || Tests ||
| FindBugs | module:hadoop-mapreduce-client-core |
| Failed unit tests | hadoop.mapred.TestReduceFetch |
|   | hadoop.mapred.TestMRIntermediateDataEncryption |
|   | hadoop.mapred.TestReduceFetchFromPartialMem |
| Timed out tests | org.apache.hadoop.mapred.TestLazyOutput |
|   | org.apache.hadoop.mapred.TestMRTimelineEventHandling |
|   | org.apache.hadoop.mapred.TestMiniMRChildTask |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12738343/MAPREDUCE-3384-003.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 18f6809 |
| whitespace | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5782/artifact/patchprocess/whitespace.txt
|
| Findbugs warnings | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5782/artifact/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-core.html
|
| hadoop-mapreduce-client-core test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5782/artifact/patchprocess/testrun_hadoop-mapreduce-client-core.txt
|
| hadoop-mapreduce-client-jobclient test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5782/artifact/patchprocess/testrun_hadoop-mapreduce-client-jobclient.txt
|
| hadoop-mapreduce-client-nativetask test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5782/artifact/patchprocess/testrun_hadoop-mapreduce-client-nativetask.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5782/testReport/
|
| Java | 1.7.0_55 |
| uname | Linux asf903.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/5782/console |


This message was automatically generated.

> 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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