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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1493) Schedulers don't recognize apps separately from app-attempts
Date Fri, 27 Dec 2013 19:40:51 GMT

     [ https://issues.apache.org/jira/browse/YARN-1493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jian He updated YARN-1493:
--------------------------

    Attachment: YARN-1493.7.patch

Upload the patch to only make schedulers aware of the app, this patch is the same as YARN-1493.4.patch

> Schedulers don't recognize apps separately from app-attempts
> ------------------------------------------------------------
>
>                 Key: YARN-1493
>                 URL: https://issues.apache.org/jira/browse/YARN-1493
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-1493.1.patch, YARN-1493.2.patch, YARN-1493.3.patch, YARN-1493.4.patch,
YARN-1493.5.patch, YARN-1493.6.patch
>
>
> Today, scheduler is tied to attempt only.
> We need to separate app-level handling logic in scheduler. We can add new app-level events
to the scheduler and separate the app-level logic out. This is good for work-preserving AM
restart, RM restart, and also needed for differentiating app-level metrics and attempt-level
metrics.



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