[jira] [Commented] (MAPREDUCE-3182) loadgen ignores -m command line when writing random data

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14525588#comment-14525588 ] 

Hadoop QA commented on MAPREDUCE-3182:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |   5m 18s | 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 41s | There were no new javac warning messages. |
| {color:green}+1{color} | release audit |   0m 19s | The applied patch does not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 34s | 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 34s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 31s | The patch built with eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   0m 42s | The patch does not introduce any new Findbugs (version 2.0.3) warnings. |
| {color:red}-1{color} | mapreduce tests |  97m  2s | Tests failed in hadoop-mapreduce-client-jobclient. |
| | | 113m 44s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.mapreduce.v2.TestMRJobsWithProfiler |
|   | hadoop.mapred.TestMRIntermediateDataEncryption |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12640090/MAPREDUCE-3182.patch |
| Optional Tests | javac unit findbugs checkstyle |
| git revision | trunk / 6ae2a0d |
| hadoop-mapreduce-client-jobclient test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5606/artifact/patchprocess/testrun_hadoop-mapreduce-client-jobclient.txt |
| Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5606/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/5606/console |


This message was automatically generated.

> loadgen ignores -m command line when writing random data
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-3182
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3182
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, test
>    Affects Versions: 0.23.0, 2.3.0
>            Reporter: Jonathan Eagles
>            Assignee: Chen He
>         Attachments: MAPREDUCE-3182.patch
>
>
> If no input directories are specified, loadgen goes into a special mode where random data is generated and written. In that mode, setting the number of mappers (-m command line option) is overridden by a calculation. Instead, it should take into consideration the user specified number of mappers and fall back to the calculation. In addition, update the documentation as well to match the new behavior in the code.



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