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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-3092) Create common resource usage class to track labeled resource/capacity in Capacity Scheduler
Date Sat, 24 Jan 2015 00:43:37 GMT

     [ https://issues.apache.org/jira/browse/YARN-3092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wangda Tan updated YARN-3092:
-----------------------------
    Attachment: YARN-3092.2.patch

Thanks review from [~jianhe], updated patch addressed all comments.

> Create common resource usage class to track labeled resource/capacity in Capacity Scheduler
> -------------------------------------------------------------------------------------------
>
>                 Key: YARN-3092
>                 URL: https://issues.apache.org/jira/browse/YARN-3092
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: api, client, resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>         Attachments: YARN-3092.1.patch, YARN-3092.2.patch
>
>
> Since we have labels on nodes, so we need to track resource usage *by labels*, includes
> - AM resource (to enforce max-am-resource-by-label after YARN-2637)
> - Used resource (includes AM resource usage)
> - Reserved resource
> - Pending resource
> - Headroom
> Benefits to have such a common class are:
> - Reuse lots of code in different places (Queue/App/User), better maintainability and
readability.
> - Can make fine-grained locking (e.g. accessing used resource in a queue doesn't need
lock a queue)



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