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Bug 1761391

Summary: [sig-storage] EmptyDir wrapper volumes should not cause race condition when used for configmaps [Serial] [Conformance] [Suite:openshift/conformance/serial/minimal] [Suite:k8s]
Product: OpenShift Container Platform Reporter: Fabio Bertinatto <fbertina>
Component: kube-schedulerAssignee: Jan Chaloupka <jchaloup>
Status: CLOSED NOTABUG QA Contact: ge liu <geliu>
Severity: high Docs Contact:
Priority: high    
Version: 4.2.0CC: aos-bugs, aos-storage-staff, bparees, chaoyang, jchaloup, jerzhang, jsafrane, lxia, mfojtik, scheng, wsun
Target Milestone: ---   
Target Release: 4.2.z   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1744909 Environment:
Last Closed: 2020-04-29 16:14:54 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1744909    
Bug Blocks:    

Comment 9 Ben Parees 2020-04-29 01:12:31 UTC 
> I did not check what pods run on the remaining node and how much CPU is left. The scheduler calculations could be right, but then there is a serial tests that leaves the cluster in a state when there is a node that does not have 50m CPU available. This is IMO a bug and it needs to be fixed.


which test?  is this being pursued?
Comment 10 Jan Chaloupka 2020-04-29 16:12:30 UTC 
Search "EmptyDir wrapper volumes should not cause race condition when used for configmaps" string in"
- https://testgrid.k8s.io/redhat-openshift-ocp-release-4.5-informing#release-openshift-ocp-installer-e2e-azure-serial-4.5 looks good (rarely red)
- https://testgrid.k8s.io/redhat-openshift-ocp-release-4.4-informing#release-openshift-ocp-installer-e2e-azure-serial-4.4 looks good (rarely red)
- https://testgrid.k8s.io/redhat-openshift-ocp-release-4.3-informing#release-openshift-ocp-installer-e2e-azure-serial-4.3 looks good (rarely red)
- https://testgrid.k8s.io/redhat-openshift-ocp-release-4.2-informing#release-openshift-ocp-installer-e2e-azure-serial-4.2 red more often but still not very frequently
Comment 11 Jan Chaloupka 2020-04-29 16:14:54 UTC 
Given the frequency of flakes reduced to almost zero, I am closing the issue.