[jira] [Updated] (YARN-3030) set up ATS writer with basic request serving structure and lifecycle

["Sangjin Lee (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-3030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sangjin Lee updated YARN-3030:
------------------------------
    Attachment: YARN-3030.001.patch

Posted patch v.1.

(1)
It sets up the basic skeleton of the aggregator service hierarchy. BaseAggregatorService sets up a core aggregator service. AppLevelAggregatorService is an extension that is instantiated per app.

(2)
I added a partial implementation of the PerNodeAggregator. It serves as a REST end point, and provides lifecycle methods so per-app in-memory aggregators can be created and destroyed according to the app lifecycle.

(3)
Added a few unit tests, and cleaned up the pom a little bit.

This is still a skeleton. I simply used the existing common APIs from ATS to fill in the arguments and so on. We'll need to add more as our APIs jell.

> set up ATS writer with basic request serving structure and lifecycle
> --------------------------------------------------------------------
>
>                 Key: YARN-3030
>                 URL: https://issues.apache.org/jira/browse/YARN-3030
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
>         Attachments: YARN-3030.001.patch
>
>
> Per design in YARN-2928, create an ATS writer as a service, and implement the basic service structure including the lifecycle management.
> Also, as part of this JIRA, we should come up with the ATS client API for sending requests to this ATS writer.



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