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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3041) create the ATS entity/event API
Date Sat, 31 Jan 2015 01:19:35 GMT

    [ https://issues.apache.org/jira/browse/YARN-3041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14299517#comment-14299517
] 

Sangjin Lee commented on YARN-3041:
-----------------------------------

bq. I suggest using more generalized in/outbound relationship instead of parent-child one.

One parent can have multiple children obviously, but we said in the current design that we
want to limit the parent to be one. The consideration was that the parent-child relationship
is used really to handle the aggregation along the linear hierarchy, and multiple parents
complicate that significantly.

> create the ATS entity/event API
> -------------------------------
>
>                 Key: YARN-3041
>                 URL: https://issues.apache.org/jira/browse/YARN-3041
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Assignee: Robert Kanter
>         Attachments: YARN-3041.preliminary.001.patch
>
>
> Per design in YARN-2928, create the ATS entity and events API.
> Also, as part of this JIRA, create YARN system entities (e.g. cluster, user, flow, flow
run, YARN app, ...).



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