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https://issues.apache.org/jira/browse/MAPREDUCE-2632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14525104#comment-14525104
]
Hadoop QA commented on MAPREDUCE-2632:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 15m 6s | 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:red}-1{color} | javac | 7m 44s | The applied patch generated 127
additional warning messages. |
| {color:green}+1{color} | javadoc | 9m 52s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 24s | The applied patch does
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle | 0m 47s | The applied patch generated 2
new checkstyle issues (total was 15, now 17). |
| {color:green}+1{color} | whitespace | 0m 0s | The patch has no lines that
end in whitespace. |
| {color:green}+1{color} | install | 1m 37s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 33s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 1m 16s | The patch does not introduce
any new Findbugs (version 2.0.3) warnings. |
| {color:green}+1{color} | mapreduce tests | 1m 45s | Tests passed in
hadoop-mapreduce-client-core. |
| | | 39m 8s | |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12493554/MAPREDUCE-2632-1.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / f1a152c |
| javac |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5583/artifact/patchprocess/diffJavacWarnings.txt
|
| checkstyle |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5583/artifact/patchprocess/diffcheckstylehadoop-mapreduce-client-core.txt
|
| hadoop-mapreduce-client-core test log |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5583/artifact/patchprocess/testrun_hadoop-mapreduce-client-core.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5583/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf904.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/5583/console |
This message was automatically generated.
> Avoid calling the partitioner when the numReduceTasks is 1.
> -----------------------------------------------------------
>
> Key: MAPREDUCE-2632
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2632
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: tasktracker
> Affects Versions: 0.23.0
> Reporter: Ravi Teja Ch N V
> Assignee: Ravi Teja Ch N V
> Attachments: MAPREDUCE-2632-1.patch, MAPREDUCE-2632.patch
>
>
> We can avoid the call to the partitioner when the number of reducers is
> 1.This will avoid the unnecessary computations by the partitioner.
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