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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3391) Clearly define flow ID/ flow run / flow version in API and storage
Date Thu, 02 Apr 2015 19:59:55 GMT

    [ https://issues.apache.org/jira/browse/YARN-3391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14393264#comment-14393264
] 

Zhijie Shen commented on YARN-3391:
-----------------------------------

[~vrushalic], it sounds good to me to set aside the disagreement on the flow name default
and move on. As far as I can tell, with the current context info data flow, it's quite simple
to change the default value if we figure out the better one later. In addition, the previous
debate is also related how we show flows on the web UI by default. I think we can go back
to visit the defaults once we reaches the web UI work when we should have a better idea about
it.

> 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
>
>
> 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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