[jira] [Updated] (YARN-7216) Missing ability to list configuration vs status

["Eric Yang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-7216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Yang updated YARN-7216:
----------------------------
    Attachment: YARN-7216.yarn-native-services.001.patch

- Implemented SOLR as storage for Yarnfile.
- Added REST API to list configuration from SOLR.

To enable ability to store Yarnfile on SOLR, in yarn-site.xml, add the following properties:

{code}
  <property>
    <name>yarn.api-service.solr.storage.enabled</name>
    <value>true</value>
    <description>
      Flag to enable YARN Services for storing service configuration
      on solr.
    </description>
  </property>

  <property>
    <name>yarn.api-service.solr.url</name>
    <value>http://localhost:8983/solr/yarn</value>
    <description>
      URL to Solr server for storing YARN Service config.
    </description>
  </property>
{code}

> Missing ability to list configuration vs status
> -----------------------------------------------
>
>                 Key: YARN-7216
>                 URL: https://issues.apache.org/jira/browse/YARN-7216
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: api, applications
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>         Attachments: YARN-7216.yarn-native-services.001.patch
>
>
> API Server has /ws/v1/services/{service_name}.  This REST end point returns Services object which contains both configuration and status.  When status or macro based parameters changed in Services object, it can confuse UI code to making configuration changes.  The suggestion is to preserve a copy of configuration object independent of status object.  This gives UI ability to change services configuration and update configuration.
> Similar to Ambari, it might provide better information if we have the following separated REST end points:
> {code}
>  /ws/v1/services/[service_name]/spec
>  /ws/v1/services/[service_name]/status
> {code}



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