[ 
https://issues.apache.org/jira/browse/YARN-3816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727643#comment-14727643
 ] 

Hadoop QA commented on YARN-3816:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  21m  0s | Pre-patch YARN-2928 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 5 new or modified test files. |
| {color:green}+1{color} | javac |   9m 14s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |  11m 51s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 27s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   2m 27s | The applied patch generated  2 
new checkstyle issues (total was 252, now 253). |
| {color:red}-1{color} | checkstyle |   3m 25s | The applied patch generated  1 
new checkstyle issues (total was 31, now 29). |
| {color:red}-1{color} | checkstyle |   3m 41s | The applied patch generated  
17 new checkstyle issues (total was 33, now 41). |
| {color:green}+1{color} | whitespace |   0m 47s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   2m  8s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 46s | The patch built with 
eclipse:eclipse. |
| {color:red}-1{color} | findbugs |   6m 24s | The patch appears to introduce 5 
new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |   0m 28s | Tests passed in 
hadoop-yarn-api. |
| {color:green}+1{color} | yarn tests |   2m 16s | Tests passed in 
hadoop-yarn-common. |
| {color:green}+1{color} | yarn tests |   7m 55s | Tests passed in 
hadoop-yarn-server-nodemanager. |
| {color:green}+1{color} | yarn tests |   1m 42s | Tests passed in 
hadoop-yarn-server-timelineservice. |
| | |  68m 45s | |
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|| Reason || Tests ||
| FindBugs | module:hadoop-yarn-api |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12753788/YARN-3816-YARN-2928-v2.2.patch
 |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | YARN-2928 / e6afe26 |
| checkstyle |  
https://builds.apache.org/job/PreCommit-YARN-Build/8977/artifact/patchprocess/diffcheckstylehadoop-yarn-api.txt
 
https://builds.apache.org/job/PreCommit-YARN-Build/8977/artifact/patchprocess/diffcheckstylehadoop-yarn-server-nodemanager.txt
 
https://builds.apache.org/job/PreCommit-YARN-Build/8977/artifact/patchprocess/diffcheckstylehadoop-yarn-server-timelineservice.txt
 |
| Findbugs warnings | 
https://builds.apache.org/job/PreCommit-YARN-Build/8977/artifact/patchprocess/newPatchFindbugsWarningshadoop-yarn-api.html
 |
| hadoop-yarn-api test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8977/artifact/patchprocess/testrun_hadoop-yarn-api.txt
 |
| hadoop-yarn-common test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8977/artifact/patchprocess/testrun_hadoop-yarn-common.txt
 |
| hadoop-yarn-server-nodemanager test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8977/artifact/patchprocess/testrun_hadoop-yarn-server-nodemanager.txt
 |
| hadoop-yarn-server-timelineservice test log | 
https://builds.apache.org/job/PreCommit-YARN-Build/8977/artifact/patchprocess/testrun_hadoop-yarn-server-timelineservice.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/8977/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.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/8977/console |


This message was automatically generated.

> [Aggregation] App-level Aggregation for YARN system metrics
> -----------------------------------------------------------
>
>                 Key: YARN-3816
>                 URL: https://issues.apache.org/jira/browse/YARN-3816
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Junping Du
>            Assignee: Junping Du
>         Attachments: Application Level Aggregation of Timeline Data.pdf, 
> YARN-3816-YARN-2928-v1.patch, YARN-3816-YARN-2928-v2.1.patch, 
> YARN-3816-YARN-2928-v2.2.patch, YARN-3816-YARN-2928-v2.patch, 
> YARN-3816-poc-v1.patch, YARN-3816-poc-v2.patch
>
>
> We need application level aggregation of Timeline data:
> - To present end user aggregated states for each application, include: 
> resource (CPU, Memory) consumption across all containers, number of 
> containers launched/completed/failed, etc. We need this for apps while they 
> are running as well as when they are done.
> - Also, framework specific metrics, e.g. HDFS_BYTES_READ, should be 
> aggregated to show details of states in framework level.
> - Other level (Flow/User/Queue) aggregation can be more efficient to be based 
> on Application-level aggregations rather than raw entity-level data as much 
> less raws need to scan (with filter out non-aggregated entities, like: 
> events, configurations, etc.).



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