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Bug 1929684

Summary: [sig-scheduling] Multi-AZ Clusters should spread the pods of a replication controller across zones
Product: OpenShift Container Platform Reporter: Federico Paolinelli <fpaoline>
Component: kube-schedulerAssignee: Maciej Szulik <maszulik>
Status: CLOSED DUPLICATE QA Contact: RamaKasturi <knarra>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 4.8CC: aos-bugs, knarra, maszulik, mfojtik, surya
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Clone Of: 1929389 Environment:
[sig-scheduling] Multi-AZ Clusters should spread the pods of a replication controller across zones
Last Closed: 2021-02-18 10:49:48 UTC Type: ---
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Bug Depends On: 1929389    
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Description Federico Paolinelli 2021-02-17 12:45:29 UTC 
+++ This bug was initially created as a clone of Bug #1929389 +++

test:
[sig-scheduling] Multi-AZ Clusters should spread the pods of a replication controller across zones 

is failing frequently in CI, see search results:
https://search.ci.openshift.org/?maxAge=168h&context=1&type=bug%2Bjunit&name=&maxMatches=5&maxBytes=20971520&groupBy=job&search=%5C%5Bsig-scheduling%5C%5D+Multi-AZ+Clusters+should+spread+the+pods+of+a+replication+controller+across+zones


Examples:
https://prow.ci.openshift.org/view/gs/origin-ci-test/logs/release-openshift-origin-installer-e2e-gcp-4.7/1361634319889600512

: [sig-scheduling] Multi-AZ Clusters should spread the pods of a replication controller across zones [Suite:openshift/conformance/parallel] [Suite:k8s] expand_less
Run #0: Failed expand_less	48s
fail [k8s.io/kubernetes.0/test/e2e/scheduling/ubernetes_lite.go:174]: Pods were not evenly spread across zones.  3 in one zone and 6 in another zone
Expected
    <int>: 3
to be within 2 of ~
    <int>: 0

https://prow.ci.openshift.org/view/gs/origin-ci-test/logs/release-openshift-origin-installer-e2e-aws-ovn-upgrade-4.6-stable-to-4.7-ci/1361548482682294272

: [sig-scheduling] Multi-AZ Clusters should spread the pods of a replication controller across zones [Suite:openshift/conformance/parallel] [Suite:k8s] expand_less	14s
fail [k8s.io/kubernetes.0/test/e2e/scheduling/ubernetes_lite.go:174]: Pods were not evenly spread across zones.  0 in one zone and 10 in another zone
Expected
    <int>: 10
to be within 2 of ~
    <int>: 0
Comment 1 Maciej Szulik 2021-02-18 10:49:48 UTC 

*** This bug has been marked as a duplicate of bug 1929389 ***