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Posted to issues@yunikorn.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/03/12 07:07:00 UTC
[jira] [Updated] (YUNIKORN-564) Improve the upscaling performance
for StateAware policy
[ https://issues.apache.org/jira/browse/YUNIKORN-564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated YUNIKORN-564:
------------------------------------
Labels: pull-request-available (was: )
> Improve the upscaling performance for StateAware policy
> -------------------------------------------------------
>
> Key: YUNIKORN-564
> URL: https://issues.apache.org/jira/browse/YUNIKORN-564
> Project: Apache YuniKorn
> Issue Type: Improvement
> Components: core - scheduler
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Priority: Major
> Labels: pull-request-available
>
> When calculating the outstanding requests that potentially need to trigger the upscaling, we use the same sortingApp function that used by the core scheduling logic. When the sorting policy is StateAware, this policy filters out apps to limit num of apps that can be scheduled at each moment. This is designed for the scheduling phase, however, for trigging the upscaling, we do not need to filter those apps, as long as the requests can fit into the queues' headroom, we should allow them to trigger the upscaling. This will optimize the upscaling perf when the StateAware policy is used.
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