[jira] [Updated] (YARN-3391) Clearly define flow ID/ flow run / flow version in API and storage

["Zhijie Shen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-3391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhijie Shen updated YARN-3391:
------------------------------
    Attachment: YARN-3391.2.patch

Rebase the patch after YARN-3334. Comments are welcome

> Clearly define flow ID/ flow run / flow version in API and storage
> ------------------------------------------------------------------
>
>                 Key: YARN-3391
>                 URL: https://issues.apache.org/jira/browse/YARN-3391
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>         Attachments: YARN-3391.1.patch, YARN-3391.2.patch
>
>
> To continue the discussion in YARN-3040, let's figure out the best way to describe the flow.
> Some key issues that we need to conclude on:
> - How do we include the flow version in the context so that it gets passed into the collector and to the storage eventually?
> - Flow run id should be a number as opposed to a generic string?
> - Default behavior for the flow run id if it is missing (i.e. client did not set it)
> - How do we handle flow attributes in case of nested levels of flows?



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