[ 
https://issues.apache.org/jira/browse/YARN-4212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15863384#comment-15863384
 ] 

Hadoop QA commented on YARN-4212:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  4m 
14s{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 3 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 16m 
 2s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
32s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
25s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
35s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
16s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m  
4s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
22s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
32s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
22s{color} | {color:green} 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager:
 The patch generated 0 new + 267 unchanged - 6 fixed = 267 total (was 273) 
{color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
32s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
12s{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} findbugs {color} | {color:green}  1m  
4s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
19s{color} | {color:red} 
hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager
 generated 1 new + 908 unchanged - 0 fixed = 909 total (was 908) {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 40m  6s{color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
17s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 68m 49s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.yarn.server.resourcemanager.TestRMRestart |
|   | hadoop.yarn.server.resourcemanager.scheduler.fair.TestFSAppStarvation |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | YARN-4212 |
| GITHUB PR | https://github.com/apache/hadoop/pull/181 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 804058132ab2 3.13.0-106-generic #153-Ubuntu SMP Tue Dec 6 
15:44:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 243c0f3 |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
| javadoc | 
https://builds.apache.org/job/PreCommit-YARN-Build/14903/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/14903/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/14903/testReport/ |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/14903/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> FairScheduler: Parent queues is not allowed to be 'Fair' policy if its 
> children have the "drf" policy
> -----------------------------------------------------------------------------------------------------
>
>                 Key: YARN-4212
>                 URL: https://issues.apache.org/jira/browse/YARN-4212
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Arun Suresh
>            Assignee: Yufei Gu
>              Labels: fairscheduler
>         Attachments: YARN-4212.002.patch, YARN-4212.003.patch, 
> YARN-4212.004.patch, YARN-4212.005.patch, YARN-4212.006.patch, 
> YARN-4212.007.patch, YARN-4212.008.patch, YARN-4212.009.patch, 
> YARN-4212.010.patch, YARN-4212.1.patch
>
>
> The Fair Scheduler, while performing a {{recomputeShares()}} during an 
> {{update()}} call, uses the parent queues policy to distribute shares to its 
> children.
> If the parent queues policy is 'fair', it only computes weight for memory and 
> sets the vcores fair share of its children to 0.
> Assuming a situation where we have 1 parent queue with policy 'fair' and 
> multiple leaf queues with policy 'drf', Any app submitted to the child queues 
> with vcore requirement > 1 will always be above fairshare, since during the 
> recomputeShare process, the child queues were all assigned 0 for fairshare 
> vcores.



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