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https://issues.apache.org/jira/browse/YARN-7217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16204378#comment-16204378
 ] 

Hadoop QA commented on YARN-7217:
---------------------------------

| (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 
16s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 32 new or modified test 
files. {color} |
|| || || || {color:brown} yarn-native-services Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  2m  
5s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 17m 
20s{color} | {color:green} yarn-native-services passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 17m  
6s{color} | {color:green} yarn-native-services passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
 9s{color} | {color:green} yarn-native-services passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
58s{color} | {color:green} yarn-native-services passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
15m 49s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Skipped patched modules with no Java source: 
hadoop-project {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
39s{color} | {color:green} yarn-native-services passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
48s{color} | {color:green} yarn-native-services passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m  
2s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
34s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 13m 
51s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 13m 
51s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
2m 34s{color} | {color:orange} root: The patch generated 28 new + 29 unchanged 
- 8 fixed = 57 total (was 37) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 
31s{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 
16s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:red}-1{color} | {color:red} shadedclient {color} | {color:red} 11m 
51s{color} | {color:red} patch has errors when building and testing our client 
artifacts. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Skipped patched modules with no Java source: 
hadoop-project {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m 
22s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
23s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  0m 
23s{color} | {color:green} hadoop-project in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m  
8s{color} | {color:green} hadoop-yarn-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  1m 21s{color} 
| {color:red} hadoop-yarn-services-core in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  1m 22s{color} 
| {color:red} hadoop-yarn-services-api in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
49s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}127m 27s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.yarn.service.TestApiServer |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0de40f0 |
| JIRA Issue | YARN-7217 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12892155/YARN-7217.yarn-native-services.001.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  xml  findbugs  checkstyle  |
| uname | Linux 5ea811bfd4f8 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11 
12:48:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | yarn-native-services / 630da28 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/17923/artifact/patchprocess/diff-checkstyle-root.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/17923/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-applications_hadoop-yarn-services_hadoop-yarn-services-core.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/17923/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-applications_hadoop-yarn-services-api.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/17923/testReport/ |
| modules | C: hadoop-project 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core
 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api
 U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/17923/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> PUT method for update service for Service API doesn't function correctly
> ------------------------------------------------------------------------
>
>                 Key: YARN-7217
>                 URL: https://issues.apache.org/jira/browse/YARN-7217
>             Project: Hadoop YARN
>          Issue Type: Task
>          Components: api, applications
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>         Attachments: YARN-7217.yarn-native-services.001.patch
>
>
> The PUT method for updateService API provides multiple functions:
> # Stopping a service.
> # Start a service.
> # Increase or decrease number of containers.
> The overloading is buggy depending on how the configuration should be applied.
> Scenario 1
> A user retrieves Service object from getService call, and the Service object 
> contains state: STARTED.  The user would like to increase number of 
> containers for the deployed service.  The JSON has been updated to increase 
> container count.  The PUT method does not actually increase container count.
> Scenario 2
> A user retrieves Service object from getService call, and the Service object 
> contains state: STOPPED.  The user would like to make a environment 
> configuration change.  The configuration does not get updated after PUT 
> method.
> This is possible to address by rearranging the logic of START/STOP after 
> configuration update.  However, there are other potential combinations that 
> can break PUT method.  For example, user like to make configuration changes, 
> but not yet restart the service until a later time.
> The alternative is to separate the PUT method into PUT method for 
> configuration vs status.  This increase the number of action that can be 
> performed.  New API could look like:
> {code}
> @PUT
> /ws/v1/services/[service_name]/config
> Request Data:
> {
>   "name":"[service_name]",
>   "number_of_containers": 5
> }
> {code}
> {code}
> @PUT
> /ws/v1/services/[service_name]/state
> Request data:
> {
>   "name": "[service_name]",
>   "state": "STOPPED|STARTED"
> }
> {code}



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