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https://issues.apache.org/jira/browse/YUNIKORN-2808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Craig Condit resolved YUNIKORN-2808.
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Fix Version/s: 1.6.0
Resolution: Fixed
Merged to master.
> E2E test Verify_preemption_on_priority_queue test is flaky
> ----------------------------------------------------------
>
> Key: YUNIKORN-2808
> URL: https://issues.apache.org/jira/browse/YUNIKORN-2808
> Project: Apache YuniKorn
> Issue Type: Bug
> Components: shim - kubernetes
> Reporter: Craig Condit
> Assignee: Manikandan R
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.6.0
>
>
> Latest core from master when integrated with shim causes e2e tests to fail
> sporadically:
> {code:java}
> Preemption Verify_preemption_on_priority_queue
> 1587/home/runner/work/yunikorn-k8shim/yunikorn-k8shim/test/e2e/preemption/preemption_test.go:333
> 1588 STEP: Creating development namespace: dev-89y29 @ 08/15/24 22:22:43.966
> 1589 STEP: A task can only preempt a task with lower or equal priority @
> 08/15/24 22:22:44.973
> 1590 STEP: Update root.sandbox1, root.low-priority, root.high-priority with
> guaranteed memory 4459M @ 08/15/24 22:22:44.973
> 1591 STEP: Port-forward the scheduler pod @ 08/15/24 22:22:44.973
> 1592port-forward is already running STEP: Enabling new scheduling config @
> 08/15/24 22:22:44.974
> 1593 STEP: Deploy the sleep pod sleepjob1 to the development namespace @
> 08/15/24 22:22:47.982
> 1594 STEP: Deploy the sleep pod sleepjob2 to the development namespace @
> 08/15/24 22:22:51.786
> 1595 STEP: Deploy the sleep pod sleepjob3 to the development namespace @
> 08/15/24 22:22:55.786
> 1596 STEP: Deploy the sleep pod sleepjob4 to the development namespace @
> 08/15/24 22:22:59.785
> 1597 STEP: Deploy the sleep pod sleepjob5 to the development namespace @
> 08/15/24 22:22:59.989
> 1598 STEP: The sleep pod sleepjob4 can't be scheduled @ 08/15/24 22:23:00.188
> 1599 STEP: The sleep pod sleepjob5 can be scheduled @ 08/15/24 22:23:02.385
> 1600 STEP: One of the pods in root.sanbox1 is preempted @ 08/15/24
> 22:23:26.786
> 1601 [FAILED] in [It] -
> /home/runner/work/yunikorn-k8shim/yunikorn-k8shim/test/e2e/preemption/preemption_test.go:424
> @ 08/15/24 22:23:26.986
> 1602 Logging yk fullstatedump, spec: Verify_preemption_on_priority_queue
> 1603 Created log file:
> /home/runner/work/yunikorn-k8shim/yunikorn-k8shim/build/e2e/preemption/Verify_preemption_on_priority_queue_ykFullStateDump.json
> 1604 Logging k8s cluster info, spec: Verify_preemption_on_priority_queue
> 1605 Created log file:
> /home/runner/work/yunikorn-k8shim/yunikorn-k8shim/build/e2e/preemption/Verify_preemption_on_priority_queue_k8sClusterInfo.txt
> 1606 Logging yk container logs, spec: Verify_preemption_on_priority_queue
> 1607 Created log file:
> /home/runner/work/yunikorn-k8shim/yunikorn-k8shim/build/e2e/preemption/Verify_preemption_on_priority_queue_ykContainerLog.txt
> 1608 STEP: Tear down namespace: dev-89y29 @ 08/15/24 22:23:27.441
> 1609 STEP: Restoring YuniKorn configuration @ 08/15/24 22:23:29.585
> 1610 STEP: Restoring the old config maps @ 08/15/24 22:23:29.586
> 1611• [FAILED] [47.626 seconds]
> 1612Preemption [It] Verify_preemption_on_priority_queue
> 1613/home/runner/work/yunikorn-k8shim/yunikorn-k8shim/test/e2e/preemption/preemption_test.go:333
> 1614
> 1615 [FAILED] One of the pods in root.sandbox1 should be preempted
> 1616 Expected
> 1617 <int>: 1
> 1618 to equal
> 1619 <int>: 2
> 1620 In [It] at:
> /home/runner/work/yunikorn-k8shim/yunikorn-k8shim/test/e2e/preemption/preemption_test.go:424
> @ 08/15/24 22:23:26.986{code}
> I believe this was caused by YUNIKORN-2769. It's not clear whether the test
> or core logic is in error.
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