Bug 1979352
| Summary: | Tuned affining containers to house keeping cpus | ||
|---|---|---|---|
| Product: | OpenShift Container Platform | Reporter: | browsell |
| Component: | Node Tuning Operator | Assignee: | Jiří Mencák <jmencak> |
| Status: | CLOSED ERRATA | QA Contact: | liqcui |
| Severity: | high | Docs Contact: | |
| Priority: | medium | ||
| Version: | 4.8 | CC: | keyoung, liqcui, sejug |
| Target Milestone: | --- | ||
| Target Release: | 4.9.0 | ||
| Hardware: | x86_64 | ||
| OS: | All | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | No Doc Update | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-10-18 17:38:02 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: | 1980715 | ||
| Bug Blocks: | 1985908 | ||
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 4.9.0 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-2021:3759 |
Verified Steps: oc label node ip-10-0-141-106.us-east-2.compute.internal tuned-scheduler-node= cat scheduler-tuned.yaml apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: ocp-scheduler-profile namespace: openshift-cluster-node-tuning-operator spec: profile: - data: | [main] summary=Custom OpenShift profile include=openshift-node [scheduler] isolated_cores=1 cgroup_ps_blacklist=/kubepods\.slice/ name: ocp-scheduler-profile recommend: - match: - label: tuned-scheduler-node priority: 20 profile: ocp-scheduler-profile operand: debug: true oc get pods -n openshift-cluster-node-tuning-operator -o wide |grep ip-10-0-141-106.us-east-2.compute.internal tuned-9dtg7 1/1 Running 0 42m 10.0.141.106 ip-10-0-141-106.us-east-2.compute.internal <none> <none> oc project openshift-cluster-node-tuning-operator oc rsh tuned-9dtg7 Check the result as below: sh-4.4# grep ^Cpus_allowed_list /proc/`pgrep openshift-tuned`/status Cpus_allowed_list: 0-1 sh-4.4# grep Cpus_allowed_list /proc/`pidof chronyd`/status Cpus_allowed_list: 0 # grep . /proc/`pidof chronyd`/cgroup 12:devices:/system.slice/chronyd.service 11:blkio:/system.slice/chronyd.service 10:rdma:/ 9:cpuset:/ 8:pids:/system.slice/chronyd.service 7:cpu,cpuacct:/system.slice/chronyd.service 6:memory:/system.slice/chronyd.service 5:hugetlb:/ 4:perf_event:/ 3:net_cls,net_prio:/ 2:freezer:/ 1:name=systemd:/system.slice/chronyd.service