Bug 2111165
Summary: | Project auth cache is fully invalidated on changes to namespaces and namespaced RBAC | |||
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Product: | OpenShift Container Platform | Reporter: | Ben Luddy <bluddy> | |
Component: | openshift-apiserver | Assignee: | Abu Kashem <akashem> | |
Status: | CLOSED ERRATA | QA Contact: | Rahul Gangwar <rgangwar> | |
Severity: | medium | Docs Contact: | ||
Priority: | unspecified | |||
Version: | 4.2.0 | CC: | mfojtik, vsolanki, wking | |
Target Milestone: | --- | |||
Target Release: | 4.12.0 | |||
Hardware: | Unspecified | |||
OS: | Unspecified | |||
Whiteboard: | ||||
Fixed In Version: | Doc Type: | No Doc Update | ||
Doc Text: | Story Points: | --- | ||
Clone Of: | ||||
: | 2111167 (view as bug list) | Environment: | ||
Last Closed: | 2023-01-17 19:53:34 UTC | Type: | Bug | |
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: | ||||
Bug Blocks: | 2111167 |
Description
Ben Luddy
2022-07-26 15:59:57 UTC
oc get clusterversion NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.12.0-0.nightly-2022-07-27-133042 True False 4h47m Cluster version is 4.12.0-0.nightly-2022-07-27-133042 CPU utilisation before creating 1000 namespace oc adm top node NAME CPU(cores) CPU% MEMORY(bytes) MEMORY% rgangwar-28t3-vngb5-master-0.c.openshift-qe.internal 680m 19% 7053Mi 51% rgangwar-28t3-vngb5-master-1.c.openshift-qe.internal 946m 27% 8818Mi 64% rgangwar-28t3-vngb5-master-2.c.openshift-qe.internal 1005m 28% 10001Mi 72% rgangwar-28t3-vngb5-worker-a-5qcr8.c.openshift-qe.internal 325m 9% 3808Mi 27% rgangwar-28t3-vngb5-worker-b-pngcz.c.openshift-qe.internal 311m 8% 3397Mi 24% rgangwar-28t3-vngb5-worker-c-6qtpb.c.openshift-qe.internal 207m 5% 2102Mi 15% CPU utilisation after creating 1000 namespace. oc get namespace|grep -i "test-"|wc -l 1000 while true; do sleep 1; oc annotate namespace default --overwrite "timestamp=$(date)"; done oc adm top node NAME CPU(cores) CPU% MEMORY(bytes) MEMORY% rgangwar-28t3-vngb5-master-0.c.openshift-qe.internal 731m 20% 8259Mi 60% rgangwar-28t3-vngb5-master-1.c.openshift-qe.internal 919m 26% 10733Mi 78% rgangwar-28t3-vngb5-master-2.c.openshift-qe.internal 1071m 30% 12024Mi 87% rgangwar-28t3-vngb5-worker-a-5qcr8.c.openshift-qe.internal 323m 9% 4066Mi 29% rgangwar-28t3-vngb5-worker-b-pngcz.c.openshift-qe.internal 402m 11% 3403Mi 24% There is no much spike in CPU utilisation rgangwar-28t3-vngb5-worker-c-6qtpb.c.openshift-qe.internal 178m 5% 2115Mi 15% Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: OpenShift Container Platform 4.12.0 bug fix and security update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2022:7399 |