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Posted to issues@yunikorn.apache.org by "Weiwei Yang (Jira)" <ji...@apache.org> on 2021/03/12 07:05:00 UTC

[jira] [Created] (YUNIKORN-564) Improve the upscaling performance for StateAware policy

Weiwei Yang created YUNIKORN-564:
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             Summary: 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


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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