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Posted to issues@yunikorn.apache.org by "Rainie Li (Jira)" <ji...@apache.org> on 2023/09/15 17:10:00 UTC

[jira] [Created] (YUNIKORN-1990) Intra-queue preemption happens

Rainie Li created YUNIKORN-1990:
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             Summary: Intra-queue preemption happens
                 Key: YUNIKORN-1990
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-1990
             Project: Apache YuniKorn
          Issue Type: Bug
          Components: core - scheduler
            Reporter: Rainie Li
            Assignee: Rainie Li
         Attachments: Screenshot 2023-09-15 at 10.07.46 AM.png, Screenshot 2023-09-15 at 10.08.02 AM.png

*Background*

We noticed preemption happens for jobs within same queue. 

 

*Test we have done*
 * Submitted job1 to root.test-queue.tier1 queue, queue allocated usage went higher than guaranteed resource. 
 * Then submitted another Job2 to same queue, queue allocated usage decreased to lower than guaranteed resource. 
 * Most executors of Job1 got preempted by Job2

!Screenshot 2023-09-15 at 10.07.46 AM.png!

!Screenshot 2023-09-15 at 10.08.02 AM.png!



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