[ 
https://issues.apache.org/jira/browse/YARN-6355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16077337#comment-16077337
 ] 

Hadoop QA commented on YARN-6355:
---------------------------------

| (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 
13s{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 1 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
10s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green} 1{color} | {color:green} mvninstall {color} | {color:green} 14m 
31s{color} | {color:green} trunk passed {color} |
| {color:green} 1{color} | {color:green} compile {color} | {color:green}  9m 
22s{color} | {color:green} trunk passed {color} |
| {color:green} 1{color} | {color:green} checkstyle {color} | {color:green}  0m 
54s{color} | {color:green} trunk passed {color} |
| {color:green} 1{color} | {color:green} mvnsite {color} | {color:green}  1m 
27s{color} | {color:green} trunk passed {color} |
| {color:green} 1{color} | {color:green} findbugs {color} | {color:green}  2m 
25s{color} | {color:green} trunk passed {color} |
| {color:green} 1{color} | {color:green} javadoc {color} | {color:green}  0m 
54s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
13s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green} 1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 6s{color} | {color:green} the patch passed {color} |
| {color:green} 1{color} | {color:green} compile {color} | {color:green}  5m 
57s{color} | {color:green} the patch passed {color} |
| {color:green} 1{color} | {color:green} javac {color} | {color:green}  5m 
57s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 53s{color} | {color:orange} hadoop-yarn-project/hadoop-yarn: The patch 
generated 20 new   236 unchanged - 15 fixed = 256 total (was 251) {color} |
| {color:green} 1{color} | {color:green} mvnsite {color} | {color:green}  1m 
20s{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:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
23s{color} | {color:red} 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 generated 2 new   0 unchanged - 0 fixed = 2 total (was 0) {color} |
| {color:green} 1{color} | {color:green} javadoc {color} | {color:green}  0m 
54s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 34s{color} 
| {color:red} hadoop-yarn-api in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 43m 46s{color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 
31s{color} | {color:red} The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 95m 27s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | 
module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 |
|  |  Should 
org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService$AMSProcessorChain
 be a _static_ inner class?  At ApplicationMasterService.java:inner class?  At 
ApplicationMasterService.java:[lines 84-113] |
|  |  Dead store to appAttempt in 
org.apache.hadoop.yarn.server.resourcemanager.OpportunisticContainerAllocatorAMService$OCAInterceptor.afterAllocate(ApplicationAttemptId,
 AllocateRequest, AllocateResponse, Object)  At 
OpportunisticContainerAllocatorAMService.java:org.apache.hadoop.yarn.server.resourcemanager.OpportunisticContainerAllocatorAMService$OCAInterceptor.afterAllocate(ApplicationAttemptId,
 AllocateRequest, AllocateResponse, Object)  At 
OpportunisticContainerAllocatorAMService.java:[line 167] |
| Failed junit tests | hadoop.yarn.conf.TestYarnConfigurationFields |
|   | hadoop.yarn.server.resourcemanager.TestRMRestart |
|   | hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer |
|   | hadoop.yarn.server.resourcemanager.scheduler.fair.TestFSAppStarvation |
|   | hadoop.yarn.server.resourcemanager.TestApplicationMasterService |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | YARN-6355 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12875986/YARN-6355.004.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 9afd7f93586b 3.13.0-119-generic #166-Ubuntu SMP Wed May 3 
12:18:55 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 7576a68 |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/16315/artifact/patchprocess/diff-checkstyle-hadoop-yarn-project_hadoop-yarn.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-YARN-Build/16315/artifact/patchprocess/new-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/16315/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-api.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/16315/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/16315/testReport/ |
| asflicense | 
https://builds.apache.org/job/PreCommit-YARN-Build/16315/artifact/patchprocess/patch-asflicense-problems.txt
 |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api 
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/16315/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Preprocessor framework for AM and Client interactions with the RM
> -----------------------------------------------------------------
>
>                 Key: YARN-6355
>                 URL: https://issues.apache.org/jira/browse/YARN-6355
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>              Labels: amrmproxy, resourcemanager
>         Attachments: YARN-6355.001.patch, YARN-6355.002.patch, 
> YARN-6355.003.patch, YARN-6355.004.patch, YARN-6355-one-pager.pdf
>
>
> Currently on the NM, we have the {{AMRMProxy}} framework to intercept the AM 
> <-> RM communication and enforce policies. This is used both by YARN 
> federation (YARN-2915) as well as Distributed Scheduling (YARN-2877).
> This JIRA proposes to introduce a similar framework on the the RM side, so 
> that pluggable policies can be enforced on ApplicationMasterService centrally 
> as well.
> This would be similar in spirit to a Java Servlet Filter Chain. Where the 
> order of the interceptors can declared externally.
> Once possible usecase would be:
> the {{OpportunisticContainerAllocatorAMService}} is implemented as a wrapper 
> over the {{ApplicationMasterService}}. It would probably be better to 
> implement it as an Interceptor.



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