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https://issues.apache.org/jira/browse/YARN-6050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15900441#comment-15900441
 ] 

Hadoop QA commented on YARN-6050:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
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 17 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  2m  
3s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 14m 
 6s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 12m  
7s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
37s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  3m 
22s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  2m 
11s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  5m 
20s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
49s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
17s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 
22s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 11m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 11m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 11m 
23s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
2m 38s{color} | {color:orange} root: The patch generated 9 new + 1924 unchanged 
- 5 fixed = 1933 total (was 1929) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  3m 
39s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  2m 
27s{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}  7m  
8s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
37s{color} | {color:green} hadoop-yarn-api in the patch passed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
47s{color} | {color:green} hadoop-yarn-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
40s{color} | {color:green} 
hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager
 generated 0 new + 895 unchanged - 2 fixed = 895 total (was 897) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
31s{color} | {color:green} hadoop-mapreduce-client-jobclient in the patch 
passed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
31s{color} | {color:green} hadoop-sls in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
45s{color} | {color:green} hadoop-yarn-api in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 40s{color} 
| {color:red} hadoop-yarn-common in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 39s{color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 31s{color} 
| {color:red} hadoop-mapreduce-client-jobclient in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 32s{color} 
| {color:red} hadoop-sls in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
52s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}108m  3s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | YARN-6050 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12856693/YARN-6050.010.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  cc  |
| uname | Linux 1ca8b0f2efa3 3.13.0-105-generic #152-Ubuntu SMP Fri Dec 2 
15:37:11 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 1598fd3 |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/15197/artifact/patchprocess/diff-checkstyle-root.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/15197/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-common.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/15197/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/15197/artifact/patchprocess/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/15197/artifact/patchprocess/patch-unit-hadoop-tools_hadoop-sls.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/15197/testReport/ |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient
 hadoop-tools/hadoop-sls U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/15197/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> AMs can't be scheduled on racks or nodes
> ----------------------------------------
>
>                 Key: YARN-6050
>                 URL: https://issues.apache.org/jira/browse/YARN-6050
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.9.0, 3.0.0-alpha2
>            Reporter: Robert Kanter
>            Assignee: Robert Kanter
>         Attachments: YARN-6050.001.patch, YARN-6050.002.patch, 
> YARN-6050.003.patch, YARN-6050.004.patch, YARN-6050.005.patch, 
> YARN-6050.006.patch, YARN-6050.007.patch, YARN-6050.008.patch, 
> YARN-6050.009.patch, YARN-6050.010.patch
>
>
> Yarn itself supports rack/node aware scheduling for AMs; however, there 
> currently are two problems:
> # To specify hard or soft rack/node requests, you have to specify more than 
> one {{ResourceRequest}}.  For example, if you want to schedule an AM only on 
> "rackA", you have to create two {{ResourceRequest}}, like this:
> {code}
> ResourceRequest.newInstance(PRIORITY, ANY, CAPABILITY, NUM_CONTAINERS, false);
> ResourceRequest.newInstance(PRIORITY, "rackA", CAPABILITY, NUM_CONTAINERS, 
> true);
> {code}
> The problem is that the Yarn API doesn't actually allow you to specify more 
> than one {{ResourceRequest}} in the {{ApplicationSubmissionContext}}.  The 
> current behavior is to either build one from {{getResource}} or directly from 
> {{getAMContainerResourceRequest}}, depending on if 
> {{getAMContainerResourceRequest}} is null or not.  We'll need to add a third 
> method, say {{getAMContainerResourceRequests}}, which takes a list of 
> {{ResourceRequest}} so that clients can specify the multiple resource 
> requests.
> # There are some places where things are hardcoded to overwrite what the 
> client specifies.  These are pretty straightforward to fix.



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