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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2017/03/01 00:13:45 UTC
[jira] [Updated] (YARN-6040) Introduce api independent PendingAsk
to replace usage of ResourceRequest within Scheduler classes
[ https://issues.apache.org/jira/browse/YARN-6040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wangda Tan updated YARN-6040:
-----------------------------
Attachment: YARN-6040.branch-2.008.patch
> Introduce api independent PendingAsk to replace usage of ResourceRequest within Scheduler classes
> -------------------------------------------------------------------------------------------------
>
> Key: YARN-6040
> URL: https://issues.apache.org/jira/browse/YARN-6040
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Wangda Tan
> Assignee: Wangda Tan
> Fix For: 3.0.0-alpha2
>
> Attachments: YARN-6040.001.patch, YARN-6040.002.patch, YARN-6040.003.patch, YARN-6040.004.patch, YARN-6040.005.patch, YARN-6040.006.patch, YARN-6040.007.patch, YARN-6040.branch-2.007.patch, YARN-6040.branch-2.008.patch
>
>
> As mentioned by YARN-5906, currently schedulers are using ResourceRequest heavily so it will be very hard to adopt the new PowerfulResourceRequest (YARN-4902).
> This JIRA is the 2nd step of refactoring, which remove usage of ResourceRequest from AppSchedulingInfo / SchedulerApplicationAttempt. Instead of returning ResourceRequest, it returns a lightweight and API-independent object - {{PendingAsk}}.
> The only remained ResourceRequest API of AppSchedulingInfo will be used by web service to get list of ResourceRequests.
> So after this patch, usage of ResourceRequest will be isolated inside AppSchedulingInfo, so it will be more flexible to update internal data structure and upgrade old ResourceRequest API to new.
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