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Posted to dev@yunikorn.apache.org by "Craig Condit (Jira)" <ji...@apache.org> on 2024/08/15 20:16:00 UTC

[jira] [Created] (YUNIKORN-2806) Deadlock in preemption

Craig Condit created YUNIKORN-2806:
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             Summary: Deadlock in preemption
                 Key: YUNIKORN-2806
                 URL: https://issues.apache.org/jira/browse/YUNIKORN-2806
             Project: Apache YuniKorn
          Issue Type: Bug
          Components: core - scheduler
            Reporter: Craig Condit
            Assignee: Craig Condit


A deadlock exists in TryPreemption() where the current app gets locked twice: once in TryAllocate(), and again in findEligiblePreemptionVictims() where apps are iterated to find victims. The current app is not excluded like it should be, resulting in a deadlock.



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