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https://issues.apache.org/jira/browse/YARN-7218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16249971#comment-16249971
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Hadoop QA commented on YARN-7218:
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| (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
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 4s{color}
| {color:red} YARN-7218 does not apply to trunk. Rebase required? Wrong Branch?
See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | YARN-7218 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12897365/YARN-7218.001.patch |
| Console output |
https://builds.apache.org/job/PreCommit-YARN-Build/18466/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> ApiServer REST API naming convention /ws/v1 is already used in Hadoop v2
> ------------------------------------------------------------------------
>
> Key: YARN-7218
> URL: https://issues.apache.org/jira/browse/YARN-7218
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: api, applications
> Reporter: Eric Yang
> Assignee: Eric Yang
> Attachments: YARN-7218.001.patch
>
>
> In YARN-6626, there is a desire to have ability to run ApiServer REST API in
> Resource Manager, this can eliminate the requirement to deploy another daemon
> service for submitting docker applications. In YARN-5698, a new UI has been
> implemented as a separate web application. There are some problems in the
> arrangement that can cause conflicts of how Java session are being managed.
> The root context of Resource Manager web application is /ws. This is hard
> coded in startWebapp method in ResourceManager.java. This means all the
> session management is applied to Web URL of /ws prefix. /ui2 is independent
> of /ws context, therefore session management code doesn't apply to /ui2.
> This could be a session management problem, if servlet based code is going to
> be introduced into /ui2 web application.
> ApiServer code base is designed as a separate web application. There is no
> easy way to inject a separate web application into the same /ws context
> because ResourceManager is already setup to bind to RMWebServices. Unless
> ApiServer code is moved into RMWebServices, otherwise, they will not share
> the same session management.
> The alternate solution is to keep ApiServer prefix URL independent of /ws
> context. However, this will be a departure from YARN web services naming
> convention. This can be loaded as a separate web application in Resource
> Manager jetty server. One possible proposal is /app/v1/services. This can
> keep ApiServer code modular and independent from Resource Manager.
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