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https://issues.apache.org/jira/browse/YARN-5561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15552370#comment-15552370
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Varun Saxena commented on YARN-5561:
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Thanks [~rohithsharma] for the patch.
# We do not store configurations at container and app attempt level. So we can
leave out query params associated with it,
# Similarly no metrics are stored at app attempt level. Same goes for
relationships. We can add them when we support them, if not for anything but
just to reduce lines in code and documentation :)
# Javadoc will have to be updated I think otherwise we will get a -1 in QA
report. Yes this will unnecessarily increase code size but then there is no
other way out.
# Update tests for app attempts too ?
> [Atsv2] : Support for ability to retrieve apps/app-attempt/containers and
> entities via REST
> -------------------------------------------------------------------------------------------
>
> Key: YARN-5561
> URL: https://issues.apache.org/jira/browse/YARN-5561
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelinereader
> Reporter: Rohith Sharma K S
> Assignee: Rohith Sharma K S
> Attachments: 0001-YARN-5561.YARN-5355.patch, YARN-5561.02.patch,
> YARN-5561.patch, YARN-5561.v0.patch
>
>
> ATSv2 model lacks retrieval of {{list-of-all-apps}},
> {{list-of-all-app-attempts}} and {{list-of-all-containers-per-attempt}} via
> REST API's. And also it is required to know about all the entities in an
> applications.
> It is pretty much highly required these URLs for Web UI.
> New REST URL would be
> # GET {{/ws/v2/timeline/apps}}
> # GET {{/ws/v2/timeline/apps/\{app-id\}/appattempts}}.
> # GET
> {{/ws/v2/timeline/apps/\{app-id\}/appattempts/\{attempt-id\}/containers}}
> # GET {{/ws/v2/timeline/apps/\{app id\}/entities}} should display list of
> entities that can be queried.
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