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Posted to yarn-issues@hadoop.apache.org by "Carlo Curino (JIRA)" <ji...@apache.org> on 2015/11/17 19:43:11 UTC
[jira] [Updated] (YARN-4360) Improve GreedyReservationAgent to
support "early" allocations, and performance improvements
[ https://issues.apache.org/jira/browse/YARN-4360?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Carlo Curino updated YARN-4360:
-------------------------------
Attachment: YARN-4360.patch
Initial patch...
> Improve GreedyReservationAgent to support "early" allocations, and performance improvements
> --------------------------------------------------------------------------------------------
>
> Key: YARN-4360
> URL: https://issues.apache.org/jira/browse/YARN-4360
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacityscheduler, fairscheduler, resourcemanager
> Reporter: Carlo Curino
> Assignee: Carlo Curino
> Attachments: YARN-4360.patch
>
>
> The GreedyReservationAgent allocates "as late as possible". Per various conversations, it seems useful to have a mirror behavior that allocates as early as possible. Also in the process we leverage improvements from YARN-4358, and implement an RLE-aware StageAllocatorGreedy(RLE), which significantly speeds up allocation.
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