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https://issues.apache.org/jira/browse/YARN-4091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15392595#comment-15392595
 ] 

Hadoop QA commented on YARN-4091:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 12m 18s 
{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s 
{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 
0s {color} | {color:green} The patch appears to include 2 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 8s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 
37s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 15s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
44s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 3m 29s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
46s {color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 0s 
{color} | {color:blue} Skipped patched modules with no Java source: 
hadoop-yarn-project/hadoop-yarn {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 
54s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 42s 
{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 9s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m 
45s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 13s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 13s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 41s 
{color} | {color:red} hadoop-yarn-project/hadoop-yarn: The patch generated 74 
new + 377 unchanged - 1 fixed = 451 total (was 378) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 3m 26s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
42s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m 2s 
{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 0s 
{color} | {color:blue} Skipped patched modules with no Java source: 
hadoop-yarn-project/hadoop-yarn {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 0s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 1m 19s 
{color} | {color:red} hadoop-yarn-project_hadoop-yarn generated 4 new + 6597 
unchanged - 0 fixed = 6601 total (was 6597) {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red} 0m 18s 
{color} | {color:red} 
hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager
 generated 4 new + 989 unchanged - 0 fixed = 993 total (was 989) {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 73m 46s {color} 
| {color:red} hadoop-yarn in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 50m 19s {color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
19s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 166m 39s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.yarn.server.nodemanager.TestDirectoryCollection |
| Timed out junit tests | 
org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesReservation
 |
|   | 
org.apache.hadoop.yarn.server.resourcemanager.webapp.TestRMWebServicesReservation
 |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:9560f25 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12819744/YARN-4091.2.patch |
| JIRA Issue | YARN-4091 |
| Optional Tests |  asflicense  findbugs  xml  compile  javac  javadoc  
mvninstall  mvnsite  unit  checkstyle  |
| uname | Linux e4bc7f81e28f 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 |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 86ae218 |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/12482/artifact/patchprocess/diff-checkstyle-hadoop-yarn-project_hadoop-yarn.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-YARN-Build/12482/artifact/patchprocess/diff-javadoc-javadoc-hadoop-yarn-project_hadoop-yarn.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-YARN-Build/12482/artifact/patchprocess/diff-javadoc-javadoc-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/12482/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/12482/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-YARN-Build/12482/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn.txt
 
https://builds.apache.org/job/PreCommit-YARN-Build/12482/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/12482/testReport/ |
| modules | C: hadoop-yarn-project/hadoop-yarn 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 U: hadoop-yarn-project/hadoop-yarn |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/12482/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> Improvement: Introduce more debug/diagnostics information to detail out 
> scheduler activity
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-4091
>                 URL: https://issues.apache.org/jira/browse/YARN-4091
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: capacity scheduler, resourcemanager
>    Affects Versions: 2.7.0
>            Reporter: Sunil G
>            Assignee: Chen Ge
>         Attachments: Improvement on debugdiagnostic information - YARN.pdf, 
> YARN-4091-design-doc-v1.pdf, YARN-4091.1.patch, YARN-4091.2.patch, 
> YARN-4091.preliminary.1.patch
>
>
> As schedulers are improved with various new capabilities, more configurations 
> which tunes the schedulers starts to take actions such as limit assigning 
> containers to an application, or introduce delay to allocate container etc. 
> There are no clear information passed down from scheduler to outerworld under 
> these various scenarios. This makes debugging very tougher.
> This ticket is an effort to introduce more defined states on various parts in 
> scheduler where it skips/rejects container assignment, activate application 
> etc. Such information will help user to know whats happening in scheduler.
> Attaching a short proposal for initial discussion. We would like to improve 
> on this as we discuss.



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