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https://issues.apache.org/jira/browse/YARN-4178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14945643#comment-14945643
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Hadoop QA commented on YARN-4178:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  16m 38s | Findbugs (version ) appears to 
be broken on YARN-2928. |
| {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 4 new or modified test files. |
| {color:green}+1{color} | javac |   8m 16s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |  10m 18s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 25s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 17s | There were no new checkstyle 
issues. |
| {color:green}+1{color} | whitespace |   0m  5s | 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 41s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   0m 55s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |   3m 32s | Tests passed in 
hadoop-yarn-server-timelineservice. |
| | |  42m 47s | |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12765222/YARN-4178-YARN-2928.05.patch
 |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | YARN-2928 / 09c3576 |
| hadoop-yarn-server-timelineservice test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/9363/artifact/patchprocess/testrun_hadoop-yarn-server-timelineservice.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/9363/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf905.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-YARN-Build/9363/console |


This message was automatically generated.

> [storage implementation] app id as string in row keys can cause incorrect 
> ordering
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-4178
>                 URL: https://issues.apache.org/jira/browse/YARN-4178
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Sangjin Lee
>            Assignee: Varun Saxena
>         Attachments: YARN-4178-YARN-2928.01.patch, 
> YARN-4178-YARN-2928.02.patch, YARN-4178-YARN-2928.03.patch, 
> YARN-4178-YARN-2928.04.patch, YARN-4178-YARN-2928.05.patch
>
>
> Currently the app id is used in various places as part of row keys. However, 
> currently they are treated as strings. This will cause a problem with 
> ordering when the id portion of the app id rolls over to the next digit.
> For example, "app_1234567890_10000" will be considered *earlier* than 
> "app_1234567890_9999". We should correct this.



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