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https://issues.apache.org/jira/browse/HADOOP-11505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14513928#comment-14513928
 ] 

Hadoop QA commented on HADOOP-11505:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |   6m 32s | 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} | whitespace |   0m  0s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | javac |   8m 54s | There were no new javac warning 
messages. |
| {color:green}+1{color} | release audit |   0m 30s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:green}+1{color} | install |   1m 54s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 37s | The patch built with 
eclipse:eclipse. |
| {color:red}-1{color} | mapreduce tests |   7m  4s | Tests failed in 
hadoop-mapreduce-client-nativetask. |
| | |  25m 37s | |
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|| Reason || Tests ||
| Timed out tests | org.apache.hadoop.mapred.nativetask.kvtest.KVTest |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12693989/HADOOP-11505.001.patch 
|
| Optional Tests | javac unit |
| git revision | trunk / 5e67c4d |
| hadoop-mapreduce-client-nativetask test log | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/6192/artifact/patchprocess/testrun_hadoop-mapreduce-client-nativetask.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/6192/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf908.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-HADOOP-Build/6192/console |


This message was automatically generated.

> hadoop-mapreduce-client-nativetask fails to use x86 optimizations in some 
> cases
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-11505
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11505
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HADOOP-11505.001.patch
>
>
> hadoop-mapreduce-client-nativetask fails to use x86 optimizations in some 
> cases.  Also, on some alternate, non-x86, non-ARM architectures the generated 
> code is incorrect.  Thanks to Steve Loughran and Edward Nevill for finding 
> this.



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