Scalability and performance OpenShift Container Platform 4.18 Scaling your OpenShift Container Platform cluster and tuning performance in production environments Red Hat OpenShift Documentation Team

Commands:
oc --namespace openshift-machine-api edit controlplanemachineset.machine.openshift.io cluster
providerSpec: value: instanceType: <compatible_aws_instance_type> 1
apiVersion: v1 kind: ConfigMap data: config.yaml: | prometheusK8s: retention: {{PROMETHEUS_RETENTION_PERIOD}} 1 nodeSelector: node-role.kubernetes.io/infra: "" volumeClaimTemplate: spec: storageClassName: {{STORAGE_CLASS}} 2 resources: requests: storage: {{PROMETHEUS_STORAGE_SIZE}} 3 alertmanagerMain: nodeSelector: node-role.kubernetes.io/infra: "" volumeClaimTemplate: spec: storageClassName: {{STORAGE_CLASS}} 4 resources: requests: storage: {{ALERTMANAGER_STORAGE_SIZE}} 5 metadata: name: cluster-monitoring-config namespace: openshift-monitoring
oc create -f cluster-monitoring-config.yaml
sudo podman run --volume /var/lib/etcd:/var/lib/etcd:Z quay.io/cloud-bulldozer/etcd-perf
sudo docker run --volume /var/lib/etcd:/var/lib/etcd:Z quay.io/cloud-bulldozer/etcd-perf
oc debug node/<node_name>
lsblk
#!/bin/bash set -uo pipefail for device in <device_type_glob>; do 1 /usr/sbin/blkid "USD{device}" &> /dev/null if [ USD? == 2 ]; then echo "secondary device found USD{device}" echo "creating filesystem for etcd mount" mkfs.xfs -L var-lib-etcd -f "USD{device}" &> /dev/null udevadm settle touch /etc/var-lib-etcd-mount exit fi done echo "Couldn't find secondary block device!" >&2 exit 77
base64 -w0 etcd-find-secondary-device.sh
apiVersion: machineconfiguration.openshift.io/v1 kind: MachineConfig metadata: labels: machineconfiguration.openshift.io/role: master name: 98-var-lib-etcd spec: config: ignition: version: 3.4.0 storage: files: - path: /etc/find-secondary-device mode: 0755 contents: source: data:text/plain;charset=utf-8;base64,<encoded_etcd_find_secondary_device_script> 1 systemd: units: - name: find-secondary-device.service enabled: true contents: | [Unit] Description=Find secondary device DefaultDependencies=false After=systemd-udev-settle.service Before=local-fs-pre.target ConditionPathExists=!/etc/var-lib-etcd-mount [Service] RemainAfterExit=yes ExecStart=/etc/find-secondary-device RestartForceExitStatus=77 [Install] WantedBy=multi-user.target - name: var-lib-etcd.mount enabled: true contents: | [Unit] Before=local-fs.target [Mount] What=/dev/disk/by-label/var-lib-etcd Where=/var/lib/etcd Type=xfs TimeoutSec=120s [Install] RequiredBy=local-fs.target - name: sync-var-lib-etcd-to-etcd.service enabled: true contents: | [Unit] Description=Sync etcd data if new mount is empty DefaultDependencies=no After=var-lib-etcd.mount var.mount Before=crio.service [Service] Type=oneshot RemainAfterExit=yes ExecCondition=/usr/bin/test ! -d /var/lib/etcd/member ExecStart=/usr/sbin/setsebool -P rsync_full_access 1 ExecStart=/bin/rsync -ar /sysroot/ostree/deploy/rhcos/var/lib/etcd/ /var/lib/etcd/ ExecStart=/usr/sbin/semanage fcontext -a -t container_var_lib_t '/var/lib/etcd(/.*)?' ExecStart=/usr/sbin/setsebool -P rsync_full_access 0 TimeoutSec=0 [Install] WantedBy=multi-user.target graphical.target - name: restorecon-var-lib-etcd.service enabled: true contents: | [Unit] Description=Restore recursive SELinux security contexts DefaultDependencies=no After=var-lib-etcd.mount Before=crio.service [Service] Type=oneshot RemainAfterExit=yes ExecStart=/sbin/restorecon -R /var/lib/etcd/ TimeoutSec=0 [Install] WantedBy=multi-user.target graphical.target
oc debug node/<node_name>
grep -w "/var/lib/etcd" /proc/mounts
/dev/sdb /var/lib/etcd xfs rw,seclabel,relatime,attr2,inode64,logbufs=8,logbsize=32k,noquota 0 0
etcd member has been defragmented: <member_name> , memberID: <member_id>
failed defrag on member: <member_name> , memberID: <member_id> : <error_message>
oc -n openshift-etcd get pods -l k8s-app=etcd -o wide
etcd-ip-10-0-159-225.example.redhat.com 3/3 Running 0 175m 10.0.159.225 ip-10-0-159-225.example.redhat.com <none> <none> etcd-ip-10-0-191-37.example.redhat.com 3/3 Running 0 173m 10.0.191.37 ip-10-0-191-37.example.redhat.com <none> <none> etcd-ip-10-0-199-170.example.redhat.com 3/3 Running 0 176m 10.0.199.170 ip-10-0-199-170.example.redhat.com <none> <none>
oc rsh -n openshift-etcd etcd-ip-10-0-159-225.example.redhat.com etcdctl endpoint status --cluster -w table
Defaulting container name to etcdctl. Use 'oc describe pod/etcd-ip-10-0-159-225.example.redhat.com -n openshift-etcd' to see all of the containers in this pod. +---------------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+ | ENDPOINT | ID | VERSION | DB SIZE | IS LEADER | IS LEARNER | RAFT TERM | RAFT INDEX | RAFT APPLIED INDEX | ERRORS | +---------------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+ | https://10.0.191.37:2379 | 251cd44483d811c3 | 3.5.9 | 104 MB | false | false | 7 | 91624 | 91624 | | | https://10.0.159.225:2379 | 264c7c58ecbdabee | 3.5.9 | 104 MB | false | false | 7 | 91624 | 91624 | | | https://10.0.199.170:2379 | 9ac311f93915cc79 | 3.5.9 | 104 MB | true | false | 7 | 91624 | 91624 | | +---------------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
oc rsh -n openshift-etcd etcd-ip-10-0-159-225.example.redhat.com
sh-4.4# unset ETCDCTL_ENDPOINTS
sh-4.4# etcdctl --command-timeout=30s --endpoints=https://localhost:2379 defrag
Finished defragmenting etcd member[https://localhost:2379]
sh-4.4# etcdctl endpoint status -w table --cluster
+---------------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+ | ENDPOINT | ID | VERSION | DB SIZE | IS LEADER | IS LEARNER | RAFT TERM | RAFT INDEX | RAFT APPLIED INDEX | ERRORS | +---------------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+ | https://10.0.191.37:2379 | 251cd44483d811c3 | 3.5.9 | 104 MB | false | false | 7 | 91624 | 91624 | | | https://10.0.159.225:2379 | 264c7c58ecbdabee | 3.5.9 | 41 MB | false | false | 7 | 91624 | 91624 | | 1 | https://10.0.199.170:2379 | 9ac311f93915cc79 | 3.5.9 | 104 MB | true | false | 7 | 91624 | 91624 | | +---------------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+
sh-4.4# etcdctl alarm list
memberID:12345678912345678912 alarm:NOSPACE
sh-4.4# etcdctl alarm disarm
oc describe etcd/cluster | grep "Control Plane Hardware Speed"
Control Plane Hardware Speed: <VALUE>
oc patch etcd/cluster --type=merge -p '{"spec": {"controlPlaneHardwareSpeed": "<value>"}}'
etcd.operator.openshift.io/cluster patched
The Etcd "cluster" is invalid: spec.controlPlaneHardwareSpeed: Unsupported value: "Faster": supported values: "", "Standard", "Slower"
oc describe etcd/cluster | grep "Control Plane Hardware Speed"
Control Plane Hardware Speed: ""
oc get pods -n openshift-etcd -w
installer-9-ci-ln-qkgs94t-72292-9clnd-master-0 0/1 Pending 0 0s installer-9-ci-ln-qkgs94t-72292-9clnd-master-0 0/1 Pending 0 0s installer-9-ci-ln-qkgs94t-72292-9clnd-master-0 0/1 ContainerCreating 0 0s installer-9-ci-ln-qkgs94t-72292-9clnd-master-0 0/1 ContainerCreating 0 1s installer-9-ci-ln-qkgs94t-72292-9clnd-master-0 1/1 Running 0 2s installer-9-ci-ln-qkgs94t-72292-9clnd-master-0 0/1 Completed 0 34s installer-9-ci-ln-qkgs94t-72292-9clnd-master-0 0/1 Completed 0 36s installer-9-ci-ln-qkgs94t-72292-9clnd-master-0 0/1 Completed 0 36s etcd-guard-ci-ln-qkgs94t-72292-9clnd-master-0 0/1 Running 0 26m etcd-ci-ln-qkgs94t-72292-9clnd-master-0 4/4 Terminating 0 11m etcd-ci-ln-qkgs94t-72292-9clnd-master-0 4/4 Terminating 0 11m etcd-ci-ln-qkgs94t-72292-9clnd-master-0 0/4 Pending 0 0s etcd-ci-ln-qkgs94t-72292-9clnd-master-0 0/4 Init:1/3 0 1s etcd-ci-ln-qkgs94t-72292-9clnd-master-0 0/4 Init:2/3 0 2s etcd-ci-ln-qkgs94t-72292-9clnd-master-0 0/4 PodInitializing 0 3s etcd-ci-ln-qkgs94t-72292-9clnd-master-0 3/4 Running 0 4s etcd-guard-ci-ln-qkgs94t-72292-9clnd-master-0 1/1 Running 0 26m etcd-ci-ln-qkgs94t-72292-9clnd-master-0 3/4 Running 0 20s etcd-ci-ln-qkgs94t-72292-9clnd-master-0 4/4 Running 0 20s
oc describe -n openshift-etcd pod/<ETCD_PODNAME> | grep -e HEARTBEAT_INTERVAL -e ELECTION_TIMEOUT
oc describe etcd/cluster | grep "Backend Quota"
Backend Quota Gi B: <value>
oc patch etcd/cluster --type=merge -p '{"spec": {"backendQuotaGiB": <value>}}'
etcd.operator.openshift.io/cluster patched
oc describe etcd/cluster | grep "Backend Quota"
oc get pods -n openshift-etcd
NAME READY STATUS RESTARTS AGE etcd-ci-ln-b6kfsw2-72292-mzwbq-master-0 4/4 Running 0 39m etcd-ci-ln-b6kfsw2-72292-mzwbq-master-1 4/4 Running 0 37m etcd-ci-ln-b6kfsw2-72292-mzwbq-master-2 4/4 Running 0 41m etcd-guard-ci-ln-b6kfsw2-72292-mzwbq-master-0 1/1 Running 0 51m etcd-guard-ci-ln-b6kfsw2-72292-mzwbq-master-1 1/1 Running 0 49m etcd-guard-ci-ln-b6kfsw2-72292-mzwbq-master-2 1/1 Running 0 54m installer-5-ci-ln-b6kfsw2-72292-mzwbq-master-1 0/1 Completed 0 51m installer-7-ci-ln-b6kfsw2-72292-mzwbq-master-0 0/1 Completed 0 46m installer-7-ci-ln-b6kfsw2-72292-mzwbq-master-1 0/1 Completed 0 44m installer-7-ci-ln-b6kfsw2-72292-mzwbq-master-2 0/1 Completed 0 49m installer-8-ci-ln-b6kfsw2-72292-mzwbq-master-0 0/1 Completed 0 40m installer-8-ci-ln-b6kfsw2-72292-mzwbq-master-1 0/1 Completed 0 38m installer-8-ci-ln-b6kfsw2-72292-mzwbq-master-2 0/1 Completed 0 42m revision-pruner-7-ci-ln-b6kfsw2-72292-mzwbq-master-0 0/1 Completed 0 43m revision-pruner-7-ci-ln-b6kfsw2-72292-mzwbq-master-1 0/1 Completed 0 43m revision-pruner-7-ci-ln-b6kfsw2-72292-mzwbq-master-2 0/1 Completed 0 43m revision-pruner-8-ci-ln-b6kfsw2-72292-mzwbq-master-0 0/1 Completed 0 42m revision-pruner-8-ci-ln-b6kfsw2-72292-mzwbq-master-1 0/1 Completed 0 42m revision-pruner-8-ci-ln-b6kfsw2-72292-mzwbq-master-2 0/1 Completed 0 42m
oc describe -n openshift-etcd pod/<etcd_podname> | grep "ETCD_QUOTA_BACKEND_BYTES"
ETCD_QUOTA_BACKEND_BYTES: 8589934592
oc patch etcd/cluster --type=merge -p '{"spec": {"backendQuotaGiB": 5}}'
The Etcd "cluster" is invalid: * spec.backendQuotaGiB: Invalid value: 5: spec.backendQuotaGiB in body should be greater than or equal to 8 * spec.backendQuotaGiB: Invalid value: "integer": etcd backendQuotaGiB may not be decreased
oc patch etcd/cluster --type=merge -p '{"spec": {"backendQuotaGiB": 64}}'
The Etcd "cluster" is invalid: spec.backendQuotaGiB: Invalid value: 64: spec.backendQuotaGiB in body should be less than or equal to 32
oc describe etcd/cluster | grep "Backend Quota"
Backend Quota Gi B: 10
oc patch etcd/cluster --type=merge -p '{"spec": {"backendQuotaGiB": 8}}'
The Etcd "cluster" is invalid: spec.backendQuotaGiB: Invalid value: "integer": etcd backendQuotaGiB may not be decreased
mkdir -p ./out
podman run -it registry.redhat.io/openshift4/openshift-telco-core-rds-rhel9:v4.18 | base64 -d | tar xv -C out
out/ └── telco-core-rds ├── configuration │ └── reference-crs │ ├── optional │ │ ├── logging │ │ ├── networking │ │ │ └── multus │ │ │ └── tap_cni │ │ ├── other │ │ └── tuning │ └── required │ ├── networking │ │ ├── metallb │ │ ├── multinetworkpolicy │ │ └── sriov │ ├── other │ ├── performance │ ├── scheduling │ └── storage │ └── odf-external └── install
podman login registry.redhat.io
query=avg_over_time(pod:container_cpu_usage:sum{namespace="openshift-kube-apiserver"}[30m])
ip link set dev <physical_function> mtu 9000
podman login registry.redhat.io
podman pull registry.redhat.io/openshift4/ztp-site-generate-rhel8:v4.18
mkdir -p ./out
podman run --log-driver=none --rm registry.redhat.io/openshift4/ztp-site-generate-rhel8:v4.18 extract /home/ztp --tar | tar x -C ./out
oc cluster-compare -r out/reference/metadata.yaml
********************************** Cluster CR: config.openshift.io/v1_OperatorHub_cluster 1 Reference File: required/other/operator-hub.yaml 2 Diff Output: diff -u -N /tmp/MERGED-2801470219/config-openshift-io-v1_operatorhub_cluster /tmp/LIVE-2569768241/config-openshift-io-v1_operatorhub_cluster --- /tmp/MERGED-2801470219/config-openshift-io-v1_operatorhub_cluster 2024-12-12 14:13:22.898756462 +0000 +++ /tmp/LIVE-2569768241/config-openshift-io-v1_operatorhub_cluster 2024-12-12 14:13:22.898756462 +0000 @@ -1,6 +1,6 @@ apiVersion: config.openshift.io/v1 kind: OperatorHub metadata: + annotations: 3 + include.release.openshift.io/hypershift: "true" name: cluster -spec: - disableAllDefaultSources: true ********************************** Summary 4 CRs with diffs: 11/12 5 CRs in reference missing from the cluster: 40 6 optional-image-registry: image-registry: Missing CRs: 7 - optional/image-registry/ImageRegistryPV.yaml optional-ptp-config: ptp-config: One of the following is required: - optional/ptp-config/PtpConfigBoundary.yaml - optional/ptp-config/PtpConfigGmWpc.yaml - optional/ptp-config/PtpConfigDualCardGmWpc.yaml - optional/ptp-config/PtpConfigForHA.yaml - optional/ptp-config/PtpConfigMaster.yaml - optional/ptp-config/PtpConfigSlave.yaml - optional/ptp-config/PtpConfigSlaveForEvent.yaml - optional/ptp-config/PtpConfigForHAForEvent.yaml - optional/ptp-config/PtpConfigMasterForEvent.yaml - optional/ptp-config/PtpConfigBoundaryForEvent.yaml ptp-operator-config: One of the following is required: - optional/ptp-config/PtpOperatorConfig.yaml - optional/ptp-config/PtpOperatorConfigForEvent.yaml optional-storage: storage: Missing CRs: - optional/local-storage-operator/StorageLV.yaml No CRs are unmatched to reference CRs 8 Metadata Hash: 09650c31212be9a44b99315ec14d2e7715ee194a5d68fb6d24f65fd5ddbe3c3c 9 No patched CRs 10
├── metadata.yaml 1 ├── optional 2 │ ├── optionalTemplate1.yaml │ └── optionalTemplate2.yaml ├── required │ ├── requiredTemplate3.yaml │ └── requiredTemplate4.yaml └── baselineClusterResources 3 ├── clusterResource1.yaml ├── clusterResource2.yaml ├── clusterResource3.yaml └── clusterResource4.yaml
podman login registry.access.redhat.com
podman create --name cca registry.redhat.io/openshift4/kube-compare-artifacts-rhel9:latest
podman cp cca:/usr/share/openshift/<arch>/kube-compare.<rhel_version> <directory_on_path>/kubectl-cluster_compare
oc cluster-compare -h
Compare a known valid reference configuration and a set of specific cluster configuration CRs. Usage: compare -r <Reference File> Examples: # Compare a known valid reference configuration with a live cluster: kubectl cluster-compare -r ./reference/metadata.yaml
oc cluster-compare -r <path_to_reference_config>/metadata.yaml
********************************** Cluster CR: operator.openshift.io/v1_Console_cluster 1 Reference File: optional/console-disable/ConsoleOperatorDisable.yaml 2 Diff Output: diff -u -N /tmp/MERGED-622469311/operator-openshift-io-v1_console_cluster /tmp/LIVE-2358803347/operator-openshift-io-v1_console_cluster /tmp/MERGED-622469311/operator-openshift-io-v1_console_cluster 2024-11-20 15:43:42.888633602 +0000 +++ /tmp/LIVE-2358803347/operator-openshift-io-v1_console_cluster 2024-11-20 15:43:42.888633602 +0000 @@ -4,5 +4,5 @@ name: cluster spec: logLevel: Normal - managementState: Removed 3 + managementState: Managed operatorLogLevel: Normal ********************************** ... Summary 4 CRs with diffs: 5/49 5 CRs in reference missing from the cluster: 1 6 required-cluster-tuning: cluster-tuning: Missing CRs: 7 - required/cluster-tuning/disabling-network-diagnostics/DisableSnoNetworkDiag.yaml No CRs are unmatched to reference CRs 8 Metadata Hash: 512a9bf2e57fd5a5c44bbdea7abb3ffd7739d4a1f14ef9021f6793d5cdf868f0 9 No patched CRs 10
oc cluster-compare -r <path_to_reference_config>/metadata.yaml -f "must-gather*/*/cluster-scoped-resources","must-gather*/*/namespaces" -R
********************************** Cluster CR: operator.openshift.io/v1_Console_cluster 1 Reference File: optional/console-disable/ConsoleOperatorDisable.yaml 2 Diff Output: diff -u -N /tmp/MERGED-622469311/operator-openshift-io-v1_console_cluster /tmp/LIVE-2358803347/operator-openshift-io-v1_console_cluster /tmp/MERGED-622469311/operator-openshift-io-v1_console_cluster 2024-11-20 15:43:42.888633602 +0000 +++ /tmp/LIVE-2358803347/operator-openshift-io-v1_console_cluster 2024-11-20 15:43:42.888633602 +0000 @@ -4,5 +4,5 @@ name: cluster spec: logLevel: Normal - managementState: Removed 3 + managementState: Managed operatorLogLevel: Normal ********************************** ... Summary 4 CRs with diffs: 5/49 5 CRs in reference missing from the cluster: 1 6 required-cluster-tuning: cluster-tuning: Missing CRs: 7 - required/cluster-tuning/disabling-network-diagnostics/DisableSnoNetworkDiag.yaml No CRs are unmatched to reference CRs 8 Metadata Hash: 512a9bf2e57fd5a5c44bbdea7abb3ffd7739d4a1f14ef9021f6793d5cdf868f0 9 No patched CRs 10
podman login registry.redhat.io
mkdir -p ./out
podman run -it registry.redhat.io/openshift4/openshift-telco-core-rds-rhel9:v4.18 | base64 -d | tar xv -C out
out/telco-core-rds/configuration/reference-crs-kube-compare/ ├── metadata.yaml 1 ├── optional 2 │ ├── logging │ ├── networking │ ├── other │ └── tuning └── required 3 ├── networking ├── other ├── performance ├── scheduling └── storage
oc cluster-compare -r out/telco-core-rds/configuration/reference-crs-kube-compare/metadata.yaml
W1212 14:13:06.281590 36629 compare.go:425] Reference Contains Templates With Types (kind) Not Supported By Cluster: BFDProfile, BGPAdvertisement, BGPPeer, ClusterLogForwarder, Community, IPAddressPool, MetalLB, MultiNetworkPolicy, NMState, NUMAResourcesOperator, NUMAResourcesScheduler, NodeNetworkConfigurationPolicy, SriovNetwork, SriovNetworkNodePolicy, SriovOperatorConfig, StorageCluster ********************************** Cluster CR: config.openshift.io/v1_OperatorHub_cluster 1 Reference File: required/other/operator-hub.yaml 2 Diff Output: diff -u -N /tmp/MERGED-2801470219/config-openshift-io-v1_operatorhub_cluster /tmp/LIVE-2569768241/config-openshift-io-v1_operatorhub_cluster --- /tmp/MERGED-2801470219/config-openshift-io-v1_operatorhub_cluster 2024-12-12 14:13:22.898756462 +0000 +++ /tmp/LIVE-2569768241/config-openshift-io-v1_operatorhub_cluster 2024-12-12 14:13:22.898756462 +0000 @@ -1,6 +1,6 @@ apiVersion: config.openshift.io/v1 kind: OperatorHub metadata: + annotations: 3 + include.release.openshift.io/hypershift: "true" name: cluster -spec: - disableAllDefaultSources: true ********************************** Summary 4 CRs with diffs: 3/4 5 CRs in reference missing from the cluster: 22 6 other: other: Missing CRs: 7 - optional/other/control-plane-load-kernel-modules.yaml - optional/other/worker-load-kernel-modules.yaml required-networking: networking-root: Missing CRs: - required/networking/nodeNetworkConfigurationPolicy.yaml networking-sriov: Missing CRs: - required/networking/sriov/sriovNetwork.yaml - required/networking/sriov/sriovNetworkNodePolicy.yaml - required/networking/sriov/SriovOperatorConfig.yaml - required/networking/sriov/SriovSubscription.yaml - required/networking/sriov/SriovSubscriptionNS.yaml - required/networking/sriov/SriovSubscriptionOperGroup.yaml required-other: scheduling: Missing CRs: - required/other/catalog-source.yaml - required/other/icsp.yaml required-performance: performance: Missing CRs: - required/performance/PerformanceProfile.yaml required-scheduling: scheduling: Missing CRs: - required/scheduling/nrop.yaml - required/scheduling/NROPSubscription.yaml - required/scheduling/NROPSubscriptionNS.yaml - required/scheduling/NROPSubscriptionOperGroup.yaml - required/scheduling/sched.yaml required-storage: storage-odf: Missing CRs: - required/storage/odf-external/01-rook-ceph-external-cluster-details.secret.yaml - required/storage/odf-external/02-ocs-external-storagecluster.yaml - required/storage/odf-external/odfNS.yaml - required/storage/odf-external/odfOperGroup.yaml - required/storage/odf-external/odfSubscription.yaml No CRs are unmatched to reference CRs 8 Metadata Hash: fe41066bac56517be02053d436c815661c9fa35eec5922af25a1be359818f297 9 No patched CRs 10
podman pull registry.redhat.io/openshift4/ztp-site-generate-rhel8:v4.18
mkdir -p ./out
podman run --log-driver=none --rm registry.redhat.io/openshift4/ztp-site-generate-rhel8:v4.18 extract /home/ztp --tar | tar x -C ./out
oc cluster-compare -r out/reference/metadata.yaml
********************************** Cluster CR: config.openshift.io/v1_OperatorHub_cluster 1 Reference File: required/other/operator-hub.yaml 2 Diff Output: diff -u -N /tmp/MERGED-2801470219/config-openshift-io-v1_operatorhub_cluster /tmp/LIVE-2569768241/config-openshift-io-v1_operatorhub_cluster --- /tmp/MERGED-2801470219/config-openshift-io-v1_operatorhub_cluster 2024-12-12 14:13:22.898756462 +0000 +++ /tmp/LIVE-2569768241/config-openshift-io-v1_operatorhub_cluster 2024-12-12 14:13:22.898756462 +0000 @@ -1,6 +1,6 @@ apiVersion: config.openshift.io/v1 kind: OperatorHub metadata: + annotations: 3 + include.release.openshift.io/hypershift: "true" name: cluster -spec: - disableAllDefaultSources: true ********************************** Summary 4 CRs with diffs: 11/12 5 CRs in reference missing from the cluster: 40 6 optional-image-registry: image-registry: Missing CRs: 7 - optional/image-registry/ImageRegistryPV.yaml optional-ptp-config: ptp-config: One of the following is required: - optional/ptp-config/PtpConfigBoundary.yaml - optional/ptp-config/PtpConfigGmWpc.yaml - optional/ptp-config/PtpConfigDualCardGmWpc.yaml - optional/ptp-config/PtpConfigForHA.yaml - optional/ptp-config/PtpConfigMaster.yaml - optional/ptp-config/PtpConfigSlave.yaml - optional/ptp-config/PtpConfigSlaveForEvent.yaml - optional/ptp-config/PtpConfigForHAForEvent.yaml - optional/ptp-config/PtpConfigMasterForEvent.yaml - optional/ptp-config/PtpConfigBoundaryForEvent.yaml ptp-operator-config: One of the following is required: - optional/ptp-config/PtpOperatorConfig.yaml - optional/ptp-config/PtpOperatorConfigForEvent.yaml optional-storage: storage: Missing CRs: - optional/local-storage-operator/StorageLV.yaml No CRs are unmatched to reference CRs 8 Metadata Hash: 09650c31212be9a44b99315ec14d2e7715ee194a5d68fb6d24f65fd5ddbe3c3c 9 No patched CRs 10
apiVersion: v2 parts: 1 - name: Part1 2 components: - name: Component1 3 <component1_configuration> 4 - name: Part2 - name: Component2 <component2_configuration>
apiVersion: v2 parts: - name: Part1 components: - name: Component1 allOf: 1 - path: RequiredTemplate1.yaml - path: RequiredTemplate2.yaml - name: Component2 allOrNoneOf: 2 - path: OptionalBlockTemplate1.yaml - path: OptionalBlockTemplate2.yaml - name: Component3 anyOf: 3 - path: OptionalTemplate1.yaml - path: OptionalTemplate2.yaml - name: Component4 noneOf: 4 - path: BannedTemplate1.yaml - path: BannedTemplate2.yaml - name: Component5 oneOf: 5 - path: RequiredExclusiveTemplate1.yaml - path: RequiredExclusiveTemplate2.yaml - name: Component6 anyOneOf: 6 - path: OptionalExclusiveTemplate1.yaml - path: OptionalExclusiveTemplate2.yaml #
apiVersion: v2 kind: Service metadata: name: frontend 1 namespace: {{ .metadata.namespace }} 2 labels: app: guestbook tier: frontend spec: {{- if and .spec.type (eq (.spec.type) "NodePort" "LoadBalancer") }} type: {{.spec.type }} 3 {{- else }} type: should be NodePort or LoadBalancer {{- end }} ports: - port: 80 selector: app: guestbook {{- if .spec.selector.tier }} 4 tier: frontend {{- end }}
apiVersion: v2 parts: - name: Part1 components: - name: Namespace allOf: - path: namespace.yaml config: ignore-unspecified-fields: true 1 #
apiVersion: v2 parts: # fieldsToOmit: defaultOmitRef: default 1 items: default: - pathToKey: a.custom.default."k8s.io" 2
apiVersion: v2 parts: - name: Part1 components: - name: Component1 - path: deployment.yaml config: fieldsToOmitRefs: - deployments 1 # fieldsToOmit: items: deployments: - pathToKey: spec.selector.matchLabels.k8s-app 2
apiVersion: v2 parts: # fieldsToOmit: defaultOmitRef: default items: common: - pathToKey: metadata.annotations."kubernetes.io/metadata.name" - pathToKey: metadata.annotations."kubernetes.io/metadata.name" - pathToKey: metadata.annotations."kubectl.kubernetes.io/last-applied-configuration" - pathToKey: metadata.creationTimestamp - pathToKey: metadata.generation - pathToKey: spec.ownerReferences - pathToKey: metadata.ownerReferences default: - include: common 1 - pathToKey: status
apiVersion: v2 parts: - name: Part1 components: - name: Example allOf: - path: example.yaml config: perField: - pathToKey: spec.bigTextBlock 1 inlineDiffFunc: regex 2
apiVersion: v1 kind: ConfigMap metadata: namespace: dashboard data: bigTextBlock: |- This is a big text block with some static content, like this line. It also has a place where (?<username>[a-z0-9]+) would put in their own name. (?<username>[a-z0-9]+) would put in their own name.
apiVersion: v2 parts: - name: Part1 components: - name: Example allOf: - path: example.yaml config: perField: - pathToKey: spec.bigTextBlock 1 inlineDiffFunc: capturegroups 2
apiVersion: v1 kind: ConfigMap metadata: namespace: dashboard data: bigTextBlock: |- This static content outside of a capture group should match exactly. Here is a username capture group: (?<username>[a-z0-9]+). It should match this capture group: (?<username>[a-z0-9]+).
apiVersion: v2 parts: - name: Part1 description: |- General text for every template under this part, unless overridden. components: - name: Component1 # With no description set, this inherits the description from the part above. OneOf: - path: Template1.yaml # This inherits the component description, if set. - path: Template2.yaml - path: Template3.yaml description: |- This template has special instructions that don't apply to the others. - name: Component2 description: |- This overrides the part text with something more specific. Multi-line text is supported, at all levels. allOf: - path: RequiredTemplate1.yaml - path: RequiredTemplate2.yaml description: |- Required for important reasons. - path: RequiredTemplate3.yaml
correlationSettings: manualCorrelation: correlationPairs: apps.v1.DaemonSet.kube-system.kindnet.yaml: "template_example.yaml" 1
oc cluster-compare -r <path_to_reference_config>/metadata.yaml -c <path_to_user_config>/user-config.yaml 1
oc cluster-compare -r <path_to_reference_config>/metadata.yaml -o 'generate-patches' --override-reason "A valid reason for the override" --generate-override-for "<template1_path>" --generate-override-for "<template2_path>" > <path_to_patches_file>
- apiVersion: storage.k8s.io/v1 kind: StorageClass name: crc-csi-hostpath-provisioner patch: '{"provisioner":"kubevirt.io.hostpath-provisioner"}' 1 reason: A valid reason for the override templatePath: optional/local-storage-operator/StorageClass.yaml 2 type: mergepatch 3
oc cluster-compare -r <referenceConfigurationDirectory> -p <path_to_patches_file>
Cluster CR: storage.k8s.io/v1_StorageClass_crc-csi-hostpath-provisioner Reference File: optional/local-storage-operator/StorageClass.yaml Description: Component description Diff Output: None Patched with patch Patch Reasons: - A valid reason for the override No CRs are unmatched to reference CRs Metadata Hash: bb2165004c496b32e0c8509428fb99c653c3cf4fba41196ea6821bd05c3083ab Cluster CRs with patches applied: 1
- apiVersion: v1 1 kind: Namespace name: openshift-storage reason: known deviation templatePath: namespace.yaml type: mergepatch patch: '{"metadata":{"annotations":{"openshift.io/sa.scc.mcs":"s0:c29,c14","openshift.io/sa.scc.supplemental-groups":"1000840000/10000","openshift.io/sa.scc.uid-range":"1000840000/10000","reclaimspace.csiaddons.openshift.io/schedule":"@weekly","workload.openshift.io/allowed":null},"labels":{"kubernetes.io/metadata.name":"openshift-storage","olm.operatorgroup.uid/ffcf3f2d-3e37-4772-97bc-983cdfce128b":"","openshift.io/cluster-monitoring":"false","pod-security.kubernetes.io/audit":"privileged","pod-security.kubernetes.io/audit-version":"v1.24","pod-security.kubernetes.io/warn":"privileged","pod-security.kubernetes.io/warn-version":"v1.24","security.openshift.io/scc.podSecurityLabelSync":"true"}},"spec":{"finalizers":["kubernetes"]}}' - name: openshift-storage apiVersion: v1 kind: Namespace templatePath: namespace.yaml type: rfc6902 reason: known deviation patch: '[ {"op": "add", "path": "/metadata/annotations/openshift.io~1sa.scc.mcs", "value": "s0:c29,c14"}, {"op": "add", "path": "/metadata/annotations/openshift.io~1sa.scc.supplemental-groups", "value": "1000840000/10000"}, {"op": "add", "path": "/metadata/annotations/openshift.io~1sa.scc.uid-range", "value": "1000840000/10000"}, {"op": "add", "path": "/metadata/annotations/reclaimspace.csiaddons.openshift.io~1schedule", "value": "@weekly"}, {"op": "remove", "path": "/metadata/annotations/workload.openshift.io~1allowed"}, {"op": "add", "path": "/metadata/labels/kubernetes.io~1metadata.name", "value": "openshift-storage"}, {"op": "add", "path": "/metadata/labels/olm.operatorgroup.uid~1ffcf3f2d-3e37-4772-97bc-983cdfce128b", "value": ""}, {"op": "add", "path": "/metadata/labels/openshift.io~1cluster-monitoring", "value": "false"}, {"op": "add", "path": "/metadata/labels/pod-security.kubernetes.io~1audit", "value": "privileged"}, {"op": "add", "path": "/metadata/labels/pod-security.kubernetes.io~1audit-version", "value": "v1.24"}, {"op": "add", "path": "/metadata/labels/pod-security.kubernetes.io~1warn", "value": "privileged"}, {"op": "add", "path": "/metadata/labels/pod-security.kubernetes.io~1warn-version", "value": "v1.24"}, {"op": "add", "path": "/metadata/labels/security.openshift.io~1scc.podSecurityLabelSync", "value": "true"}, {"op": "add", "path": "/spec", "value": {"finalizers": ["kubernetes"]}} ]' - apiVersion: v1 kind: Namespace name: openshift-storage reason: "known deviation" templatePath: namespace.yaml type: go-template patch: | { "type": "rfc6902", "patch": '[ {"op": "add", "path": "/metadata/annotations/openshift.io~1sa.scc.mcs", "value": "s0:c29,c14"}, {"op": "add", "path": "/metadata/annotations/openshift.io~1sa.scc.supplemental-groups", "value": "1000840000/10000"}, {"op": "add", "path": "/metadata/annotations/openshift.io~1sa.scc.uid-range", "value": "1000840000/10000"}, {"op": "add", "path": "/metadata/annotations/reclaimspace.csiaddons.openshift.io~1schedule", "value": "@weekly"}, {"op": "remove", "path": "/metadata/annotations/workload.openshift.io~1allowed"}, {"op": "add", "path": "/metadata/labels/kubernetes.io~1metadata.name", "value": "openshift-storage"}, {"op": "add", "path": "/metadata/labels/olm.operatorgroup.uid~1ffcf3f2d-3e37-4772-97bc-983cdfce128b", "value": ""}, {"op": "add", "path": "/metadata/labels/openshift.io~1cluster-monitoring", "value": "false"}, {"op": "add", "path": "/metadata/labels/pod-security.kubernetes.io~1audit", "value": "privileged"}, {"op": "add", "path": "/metadata/labels/pod-security.kubernetes.io~1audit-version", "value": "v1.24"}, {"op": "add", "path": "/metadata/labels/pod-security.kubernetes.io~1warn", "value": "privileged"}, {"op": "add", "path": "/metadata/labels/pod-security.kubernetes.io~1warn-version", "value": "v1.24"}, {"op": "add", "path": "/metadata/labels/security.openshift.io~1scc.podSecurityLabelSync", "value": "true"}, {"op": "add", "path": "/spec", "value": {"finalizers": {{ .spec.finalizers | toJson }} }} ]' }
oc cluster-compare -r <referenceConfigurationDirectory> -p <path_to_patches_file>
Cluster CR: storage.k8s.io/v1_StorageClass_crc-csi-hostpath-provisioner Reference File: namespace.yaml Description: Component description Diff Output: None Patched with patch Patch Reasons: - known deviation - known deviation - known deviation No CRs are unmatched to reference CRs Metadata Hash: bb2165004c496b32e0c8509428fb99c653c3cf4fba41196ea6821bd05c3083ab Cluster CRs with patches applied: 1
required pods per cluster / pods per node = total number of nodes needed
2200 / 500 = 4.4
2200 / 20 = 110
required pods per cluster / total number of nodes = expected pods per node
--- apiVersion: template.openshift.io/v1 kind: Template metadata: name: deployment-config-template creationTimestamp: annotations: description: This template will create a deploymentConfig with 1 replica, 4 env vars and a service. tags: '' objects: - apiVersion: apps.openshift.io/v1 kind: DeploymentConfig metadata: name: deploymentconfigUSD{IDENTIFIER} spec: template: metadata: labels: name: replicationcontrollerUSD{IDENTIFIER} spec: enableServiceLinks: false containers: - name: pauseUSD{IDENTIFIER} image: "USD{IMAGE}" ports: - containerPort: 8080 protocol: TCP env: - name: ENVVAR1_USD{IDENTIFIER} value: "USD{ENV_VALUE}" - name: ENVVAR2_USD{IDENTIFIER} value: "USD{ENV_VALUE}" - name: ENVVAR3_USD{IDENTIFIER} value: "USD{ENV_VALUE}" - name: ENVVAR4_USD{IDENTIFIER} value: "USD{ENV_VALUE}" resources: {} imagePullPolicy: IfNotPresent capabilities: {} securityContext: capabilities: {} privileged: false restartPolicy: Always serviceAccount: '' replicas: 1 selector: name: replicationcontrollerUSD{IDENTIFIER} triggers: - type: ConfigChange strategy: type: Rolling - apiVersion: v1 kind: Service metadata: name: serviceUSD{IDENTIFIER} spec: selector: name: replicationcontrollerUSD{IDENTIFIER} ports: - name: serviceportUSD{IDENTIFIER} protocol: TCP port: 80 targetPort: 8080 clusterIP: '' type: ClusterIP sessionAffinity: None status: loadBalancer: {} parameters: - name: IDENTIFIER description: Number to append to the name of resources value: '1' required: true - name: IMAGE description: Image to use for deploymentConfig value: gcr.io/google-containers/pause-amd64:3.0 required: false - name: ENV_VALUE description: Value to use for environment variables generate: expression from: "[A-Za-z0-9]{255}" required: false labels: template: deployment-config-template
oc create quota <name> --hard=count/<resource>.<group>=<quota> 1
oc describe node ip-172-31-27-209.us-west-2.compute.internal | egrep 'Capacity|Allocatable|gpu'
openshift.com/gpu-accelerator=true Capacity: nvidia.com/gpu: 2 Allocatable: nvidia.com/gpu: 2 nvidia.com/gpu: 0 0
cat gpu-quota.yaml
apiVersion: v1 kind: ResourceQuota metadata: name: gpu-quota namespace: nvidia spec: hard: requests.nvidia.com/gpu: 1
oc create -f gpu-quota.yaml
resourcequota/gpu-quota created
oc describe quota gpu-quota -n nvidia
Name: gpu-quota Namespace: nvidia Resource Used Hard -------- ---- ---- requests.nvidia.com/gpu 0 1
oc create pod gpu-pod.yaml
apiVersion: v1 kind: Pod metadata: generateName: gpu-pod-s46h7 namespace: nvidia spec: restartPolicy: OnFailure containers: - name: rhel7-gpu-pod image: rhel7 env: - name: NVIDIA_VISIBLE_DEVICES value: all - name: NVIDIA_DRIVER_CAPABILITIES value: "compute,utility" - name: NVIDIA_REQUIRE_CUDA value: "cuda>=5.0" command: ["sleep"] args: ["infinity"] resources: limits: nvidia.com/gpu: 1
oc get pods
NAME READY STATUS RESTARTS AGE gpu-pod-s46h7 1/1 Running 0 1m
oc describe quota gpu-quota -n nvidia
Name: gpu-quota Namespace: nvidia Resource Used Hard -------- ---- ---- requests.nvidia.com/gpu 1 1
oc create -f gpu-pod.yaml
Error from server (Forbidden): error when creating "gpu-pod.yaml": pods "gpu-pod-f7z2w" is forbidden: exceeded quota: gpu-quota, requested: requests.nvidia.com/gpu=1, used: requests.nvidia.com/gpu=1, limited: requests.nvidia.com/gpu=1
apiVersion: v1 kind: ResourceQuota metadata: name: core-object-counts spec: hard: configmaps: "10" 1 persistentvolumeclaims: "4" 2 replicationcontrollers: "20" 3 secrets: "10" 4 services: "10" 5
apiVersion: v1 kind: ResourceQuota metadata: name: openshift-object-counts spec: hard: openshift.io/imagestreams: "10" 1
apiVersion: v1 kind: ResourceQuota metadata: name: compute-resources spec: hard: pods: "4" 1 requests.cpu: "1" 2 requests.memory: 1Gi 3 requests.ephemeral-storage: 2Gi 4 limits.cpu: "2" 5 limits.memory: 2Gi 6 limits.ephemeral-storage: 4Gi 7
apiVersion: v1 kind: ResourceQuota metadata: name: besteffort spec: hard: pods: "1" 1 scopes: - BestEffort 2
apiVersion: v1 kind: ResourceQuota metadata: name: compute-resources-long-running spec: hard: pods: "4" 1 limits.cpu: "4" 2 limits.memory: "2Gi" 3 limits.ephemeral-storage: "4Gi" 4 scopes: - NotTerminating 5
apiVersion: v1 kind: ResourceQuota metadata: name: compute-resources-time-bound spec: hard: pods: "2" 1 limits.cpu: "1" 2 limits.memory: "1Gi" 3 limits.ephemeral-storage: "1Gi" 4 scopes: - Terminating 5
apiVersion: v1 kind: ResourceQuota metadata: name: storage-consumption spec: hard: persistentvolumeclaims: "10" 1 requests.storage: "50Gi" 2 gold.storageclass.storage.k8s.io/requests.storage: "10Gi" 3 silver.storageclass.storage.k8s.io/requests.storage: "20Gi" 4 silver.storageclass.storage.k8s.io/persistentvolumeclaims: "5" 5 bronze.storageclass.storage.k8s.io/requests.storage: "0" 6 bronze.storageclass.storage.k8s.io/persistentvolumeclaims: "0" 7
oc create -f <resource_quota_definition> [-n <project_name>]
oc create -f core-object-counts.yaml -n demoproject
oc create quota <name> --hard=count/<resource>.<group>=<quota>,count/<resource>.<group>=<quota>
oc create quota test --hard=count/deployments.extensions=2,count/replicasets.extensions=4,count/pods=3,count/secrets=4 resourcequota "test" created oc describe quota test Name: test Namespace: quota Resource Used Hard -------- ---- ---- count/deployments.extensions 0 2 count/pods 0 3 count/replicasets.extensions 0 4 count/secrets 0 4
oc get quota -n demoproject NAME AGE besteffort 11m compute-resources 2m core-object-counts 29m
oc describe quota core-object-counts -n demoproject Name: core-object-counts Namespace: demoproject Resource Used Hard -------- ---- ---- configmaps 3 10 persistentvolumeclaims 0 4 replicationcontrollers 3 20 secrets 9 10 services 2 10
kubernetesMasterConfig: apiLevels: - v1beta3 - v1 apiServerArguments: null controllerArguments: resource-quota-sync-period: - "10s"
master-restart api master-restart controllers
admissionConfig: pluginConfig: ResourceQuota: configuration: apiVersion: resourcequota.admission.k8s.io/v1alpha1 kind: Configuration limitedResources: - resource: persistentvolumeclaims 1 matchContains: - gold.storageclass.storage.k8s.io/requests.storage 2
apiVersion: "v1" kind: "LimitRange" metadata: name: "core-resource-limits" 1 spec: limits: - type: "Pod" max: cpu: "2" 2 memory: "1Gi" 3 min: cpu: "200m" 4 memory: "6Mi" 5 - type: "Container" max: cpu: "2" 6 memory: "1Gi" 7 min: cpu: "100m" 8 memory: "4Mi" 9 default: cpu: "300m" 10 memory: "200Mi" 11 defaultRequest: cpu: "200m" 12 memory: "100Mi" 13 maxLimitRequestRatio: cpu: "10" 14
apiVersion: "v1" kind: "LimitRange" metadata: name: "openshift-resource-limits" spec: limits: - type: openshift.io/Image max: storage: 1Gi 1 - type: openshift.io/ImageStream max: openshift.io/image-tags: 20 2 openshift.io/images: 30 3 - type: "Pod" max: cpu: "2" 4 memory: "1Gi" 5 ephemeral-storage: "1Gi" 6 min: cpu: "1" 7 memory: "1Gi" 8
{ "apiVersion": "v1", "kind": "LimitRange", "metadata": { "name": "pvcs" 1 }, "spec": { "limits": [{ "type": "PersistentVolumeClaim", "min": { "storage": "2Gi" 2 }, "max": { "storage": "50Gi" 3 } } ] } }
oc create -f <limit_range_file> -n <project>
oc get limits -n demoproject
NAME AGE resource-limits 6d
oc describe limits resource-limits -n demoproject
Name: resource-limits Namespace: demoproject Type Resource Min Max Default Request Default Limit Max Limit/Request Ratio ---- -------- --- --- --------------- ------------- ----------------------- Pod cpu 200m 2 - - - Pod memory 6Mi 1Gi - - - Container cpu 100m 2 200m 300m 10 Container memory 4Mi 1Gi 100Mi 200Mi - openshift.io/Image storage - 1Gi - - - openshift.io/ImageStream openshift.io/image - 12 - - - openshift.io/ImageStream openshift.io/image-tags - 10 - - -
oc delete limits <limit_name>
apiVersion: machineconfiguration.openshift.io/v1 kind: MachineConfig metadata: labels: machineconfiguration.openshift.io/role: worker name: 50-enable-rfs spec: config: ignition: version: 2.2.0 storage: files: - contents: source: data:text/plain;charset=US-ASCII,%23%20turn%20on%20Receive%20Flow%20Steering%20%28RFS%29%20for%20all%20network%20interfaces%0ASUBSYSTEM%3D%3D%22net%22%2C%20ACTION%3D%3D%22add%22%2C%20RUN%7Bprogram%7D%2B%3D%22/bin/bash%20-c%20%27for%20x%20in%20/sys/%24DEVPATH/queues/rx-%2A%3B%20do%20echo%208192%20%3E%20%24x/rps_flow_cnt%3B%20%20done%27%22%0A filesystem: root mode: 0644 path: /etc/udev/rules.d/70-persistent-net.rules - contents: source: data:text/plain;charset=US-ASCII,%23%20define%20sock%20flow%20enbtried%20for%20%20Receive%20Flow%20Steering%20%28RFS%29%0Anet.core.rps_sock_flow_entries%3D8192%0A filesystem: root mode: 0644 path: /etc/sysctl.d/95-enable-rps.conf
oc create -f enable-rfs.yaml
oc get mc
oc delete mc 50-enable-rfs
cat 05-master-kernelarg-hpav.yaml apiVersion: machineconfiguration.openshift.io/v1 kind: MachineConfig metadata: labels: machineconfiguration.openshift.io/role: master name: 05-master-kernelarg-hpav spec: config: ignition: version: 3.1.0 kernelArguments: - rd.dasd=800-805
cat 05-worker-kernelarg-hpav.yaml apiVersion: machineconfiguration.openshift.io/v1 kind: MachineConfig metadata: labels: machineconfiguration.openshift.io/role: worker name: 05-worker-kernelarg-hpav spec: config: ignition: version: 3.1.0 kernelArguments: - rd.dasd=800-805
oc create -f 05-master-kernelarg-hpav.yaml
oc create -f 05-worker-kernelarg-hpav.yaml
oc delete -f 05-master-kernelarg-hpav.yaml
oc delete -f 05-worker-kernelarg-hpav.yaml
<domain> <iothreads>3</iothreads> 1 <devices> <disk type="block" device="disk"> 2 <driver ... iothread="2"/> </disk> </devices> </domain>
<disk type="block" device="disk"> <driver name="qemu" type="raw" cache="none" io="native" iothread="1"/> </disk>
<memballoon model="none"/>
sysctl kernel.sched_migration_cost_ns=60000
kernel.sched_migration_cost_ns=60000
cgroup_controllers = [ "cpu", "devices", "memory", "blkio", "cpuacct" ]
systemctl restart libvirtd
echo 0 > /sys/module/kvm/parameters/halt_poll_ns
echo 80000 > /sys/module/kvm/parameters/halt_poll_ns
get tuned.tuned.openshift.io/default -o yaml -n openshift-cluster-node-tuning-operator
apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: default namespace: openshift-cluster-node-tuning-operator spec: profile: - data: | [main] summary=Optimize systems running OpenShift (provider specific parent profile) include=-provider-USD{f:exec:cat:/var/lib/ocp-tuned/provider},openshift name: openshift recommend: - profile: openshift-control-plane priority: 30 match: - label: node-role.kubernetes.io/master - label: node-role.kubernetes.io/infra - profile: openshift-node priority: 40
oc exec USDtuned_pod -n openshift-cluster-node-tuning-operator -- find /usr/lib/tuned/openshift{,-control-plane,-node} -name tuned.conf -exec grep -H ^ {} \;
oc get profile.tuned.openshift.io -n openshift-cluster-node-tuning-operator
NAME TUNED APPLIED DEGRADED AGE master-0 openshift-control-plane True False 6h33m master-1 openshift-control-plane True False 6h33m master-2 openshift-control-plane True False 6h33m worker-a openshift-node True False 6h28m worker-b openshift-node True False 6h28m
oc get co/node-tuning -n openshift-cluster-node-tuning-operator
NAME VERSION AVAILABLE PROGRESSING DEGRADED SINCE MESSAGE node-tuning 4.18.1 True False True 60m 1/5 Profiles with bootcmdline conflict
profile: - name: tuned_profile_1 data: | # TuneD profile specification [main] summary=Description of tuned_profile_1 profile [sysctl] net.ipv4.ip_forward=1 # ... other sysctl's or other TuneD daemon plugins supported by the containerized TuneD - name: tuned_profile_n data: | # TuneD profile specification [main] summary=Description of tuned_profile_n profile # tuned_profile_n profile settings
recommend: <recommend-item-1> <recommend-item-n>
- machineConfigLabels: 1 <mcLabels> 2 match: 3 <match> 4 priority: <priority> 5 profile: <tuned_profile_name> 6 operand: 7 debug: <bool> 8 tunedConfig: reapply_sysctl: <bool> 9
- label: <label_name> 1 value: <label_value> 2 type: <label_type> 3 <match> 4
- match: - label: tuned.openshift.io/elasticsearch match: - label: node-role.kubernetes.io/master - label: node-role.kubernetes.io/infra type: pod priority: 10 profile: openshift-control-plane-es - match: - label: node-role.kubernetes.io/master - label: node-role.kubernetes.io/infra priority: 20 profile: openshift-control-plane - priority: 30 profile: openshift-node
apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: openshift-node-custom namespace: openshift-cluster-node-tuning-operator spec: profile: - data: | [main] summary=Custom OpenShift node profile with an additional kernel parameter include=openshift-node [bootloader] cmdline_openshift_node_custom=+skew_tick=1 name: openshift-node-custom recommend: - machineConfigLabels: machineconfiguration.openshift.io/role: "worker-custom" priority: 20 profile: openshift-node-custom
apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: provider-gce namespace: openshift-cluster-node-tuning-operator spec: profile: - data: | [main] summary=GCE Cloud provider-specific profile # Your tuning for GCE Cloud provider goes here. name: provider-gce
apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: ingress namespace: openshift-cluster-node-tuning-operator spec: profile: - data: | [main] summary=A custom OpenShift ingress profile include=openshift-control-plane [sysctl] net.ipv4.ip_local_port_range="1024 65535" net.ipv4.tcp_tw_reuse=1 name: openshift-ingress recommend: - match: - label: tuned.openshift.io/ingress-node-label priority: 10 profile: openshift-ingress
oc exec USDtuned_pod -n openshift-cluster-node-tuning-operator -- find /usr/lib/tuned/ -name tuned.conf -printf '%h\n' | sed 's|^.*/||'
apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: openshift-node-hpc-compute namespace: openshift-cluster-node-tuning-operator spec: profile: - data: | [main] summary=Custom OpenShift node profile for HPC compute workloads include=openshift-node,hpc-compute name: openshift-node-hpc-compute recommend: - match: - label: tuned.openshift.io/openshift-node-hpc-compute priority: 20 profile: openshift-node-hpc-compute
apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: openshift-no-reapply-sysctl namespace: openshift-cluster-node-tuning-operator spec: profile: - data: | [main] summary=Custom OpenShift profile include=openshift-node [sysctl] vm.max_map_count=>524288 name: openshift-no-reapply-sysctl recommend: - match: - label: tuned.openshift.io/openshift-no-reapply-sysctl priority: 15 profile: openshift-no-reapply-sysctl operand: tunedConfig: reapply_sysctl: false
apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: performance-patch namespace: openshift-cluster-node-tuning-operator annotations: tuned.openshift.io/deferred: "always" spec: profile: - name: performance-patch data: | [main] summary=Configuration changes profile inherited from performance created tuned include=openshift-node-performance-performance 1 [sysctl] kernel.shmmni=8192 2 recommend: - machineConfigLabels: machineconfiguration.openshift.io/role: worker-cnf 3 priority: 19 profile: performance-patch
oc -n openshift-cluster-node-tuning-operator get tuned
NAME AGE default 63m openshift-node-performance-performance 21m
oc get mcp
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT AGE master rendered-master-79a26af9f78ced61fa8ccd309d3c859c True False False 3 3 3 0 157m worker rendered-worker-d9352e91a1b14de7ef453fa54480ce0e True False False 2 2 2 0 157m worker-cnf rendered-worker-cnf-f398fc4fcb2b20104a51e744b8247272 True False False 1 1 1 0 92m
oc describe performanceprofile performance | grep Tuned
Tuned: openshift-cluster-node-tuning-operator/openshift-node-performance-performance
oc get nodes
NAME STATUS ROLES AGE VERSION ip-10-0-26-151.ec2.internal Ready worker,worker-cnf 116m v1.30.6 ip-10-0-46-60.ec2.internal Ready worker 115m v1.30.6 ip-10-0-52-141.ec2.internal Ready control-plane,master 123m v1.30.6 ip-10-0-6-97.ec2.internal Ready control-plane,master 121m v1.30.6 ip-10-0-86-145.ec2.internal Ready worker 117m v1.30.6 ip-10-0-92-228.ec2.internal Ready control-plane,master 123m v1.30.6
oc debug node/ip-10-0-26-151.ec2.internal -q -- chroot host sysctl kernel.shmmni
kernel.shmmni = 4096
apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: performance-patch namespace: openshift-cluster-node-tuning-operator annotations: tuned.openshift.io/deferred: "always" spec: profile: - name: performance-patch data: | [main] summary=Configuration changes profile inherited from performance created tuned include=openshift-node-performance-performance 1 [sysctl] kernel.shmmni=8192 2 recommend: - machineConfigLabels: machineconfiguration.openshift.io/role: worker-cnf 3 priority: 19 profile: performance-patch
oc apply -f perf-patch.yaml
oc -n openshift-cluster-node-tuning-operator get profile
NAME TUNED APPLIED DEGRADED MESSAGE AGE ip-10-0-26-151.ec2.internal performance-patch False True The TuneD daemon profile is waiting for the next node restart: performance-patch 126m ip-10-0-46-60.ec2.internal openshift-node True False TuneD profile applied. 125m ip-10-0-52-141.ec2.internal openshift-control-plane True False TuneD profile applied. 130m ip-10-0-6-97.ec2.internal openshift-control-plane True False TuneD profile applied. 130m ip-10-0-86-145.ec2.internal openshift-node True False TuneD profile applied. 126m ip-10-0-92-228.ec2.internal openshift-control-plane True False TuneD profile applied. 130m
oc debug node/ip-10-0-26-151.ec2.internal -q -- chroot host sysctl kernel.shmmni
kernel.shmmni = 4096
oc debug node/ip-10-0-26-151.ec2.internal -q -- chroot host reboot&
watch oc get nodes
oc -n openshift-cluster-node-tuning-operator get profile
NAME TUNED APPLIED DEGRADED MESSAGE AGE ip-10-0-20-251.ec2.internal performance-patch True False TuneD profile applied. 3h3m ip-10-0-30-148.ec2.internal openshift-control-plane True False TuneD profile applied. 3h8m ip-10-0-32-74.ec2.internal openshift-node True True TuneD profile applied. 179m ip-10-0-33-49.ec2.internal openshift-control-plane True False TuneD profile applied. 3h8m ip-10-0-84-72.ec2.internal openshift-control-plane True False TuneD profile applied. 3h8m ip-10-0-93-89.ec2.internal openshift-node True False TuneD profile applied. 179m
oc debug node/ip-10-0-32-74.ec2.internal -q -- chroot host sysctl kernel.shmmni
kernel.shmmni = 8192
apiVersion: v1 kind: ConfigMap metadata: name: tuned-1 namespace: clusters data: tuning: | apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: tuned-1 namespace: openshift-cluster-node-tuning-operator spec: profile: - data: | [main] summary=Custom OpenShift profile include=openshift-node [sysctl] vm.dirty_ratio="55" name: tuned-1-profile recommend: - priority: 20 profile: tuned-1-profile
oc --kubeconfig="USDMGMT_KUBECONFIG" create -f tuned-1.yaml
apiVersion: hypershift.openshift.io/v1alpha1 kind: NodePool metadata: name: nodepool-1 namespace: clusters spec: tuningConfig: - name: tuned-1 status:
oc --kubeconfig="USDHC_KUBECONFIG" get tuned.tuned.openshift.io -n openshift-cluster-node-tuning-operator
NAME AGE default 7m36s rendered 7m36s tuned-1 65s
oc --kubeconfig="USDHC_KUBECONFIG" get profile.tuned.openshift.io -n openshift-cluster-node-tuning-operator
NAME TUNED APPLIED DEGRADED AGE nodepool-1-worker-1 tuned-1-profile True False 7m43s nodepool-1-worker-2 tuned-1-profile True False 7m14s
oc --kubeconfig="USDHC_KUBECONFIG" debug node/nodepool-1-worker-1 -- chroot /host sysctl vm.dirty_ratio
vm.dirty_ratio = 55
apiVersion: v1 kind: ConfigMap metadata: name: tuned-hugepages namespace: clusters data: tuning: | apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: hugepages namespace: openshift-cluster-node-tuning-operator spec: profile: - data: | [main] summary=Boot time configuration for hugepages include=openshift-node [bootloader] cmdline_openshift_node_hugepages=hugepagesz=2M hugepages=50 name: openshift-node-hugepages recommend: - priority: 20 profile: openshift-node-hugepages
oc --kubeconfig="<management_cluster_kubeconfig>" create -f tuned-hugepages.yaml 1
hcp create nodepool aws --cluster-name <hosted_cluster_name> \ 1 --name <nodepool_name> \ 2 --node-count <nodepool_replicas> \ 3 --instance-type <instance_type> \ 4 --render > hugepages-nodepool.yaml
apiVersion: hypershift.openshift.io/v1alpha1 kind: NodePool metadata: name: hugepages-nodepool namespace: clusters spec: management: upgradeType: InPlace tuningConfig: - name: tuned-hugepages
oc --kubeconfig="<management_cluster_kubeconfig>" create -f hugepages-nodepool.yaml
oc --kubeconfig="<hosted_cluster_kubeconfig>" get tuned.tuned.openshift.io -n openshift-cluster-node-tuning-operator
NAME AGE default 123m hugepages-8dfb1fed 1m23s rendered 123m
oc --kubeconfig="<hosted_cluster_kubeconfig>" get profile.tuned.openshift.io -n openshift-cluster-node-tuning-operator
NAME TUNED APPLIED DEGRADED AGE nodepool-1-worker-1 openshift-node True False 132m nodepool-1-worker-2 openshift-node True False 131m hugepages-nodepool-worker-1 openshift-node-hugepages True False 4m8s hugepages-nodepool-worker-2 openshift-node-hugepages True False 3m57s
oc --kubeconfig="<hosted_cluster_kubeconfig>" debug node/nodepool-1-worker-1 -- chroot /host cat /proc/cmdline
BOOT_IMAGE=(hd0,gpt3)/ostree/rhcos-... hugepagesz=2M hugepages=50
oc label node perf-node.example.com cpumanager=true
oc edit machineconfigpool worker
metadata: creationTimestamp: 2020-xx-xxx generation: 3 labels: custom-kubelet: cpumanager-enabled
apiVersion: machineconfiguration.openshift.io/v1 kind: KubeletConfig metadata: name: cpumanager-enabled spec: machineConfigPoolSelector: matchLabels: custom-kubelet: cpumanager-enabled kubeletConfig: cpuManagerPolicy: static 1 cpuManagerReconcilePeriod: 5s 2
oc create -f cpumanager-kubeletconfig.yaml
oc get machineconfig 99-worker-XXXXXX-XXXXX-XXXX-XXXXX-kubelet -o json | grep ownerReference -A7
"ownerReferences": [ { "apiVersion": "machineconfiguration.openshift.io/v1", "kind": "KubeletConfig", "name": "cpumanager-enabled", "uid": "7ed5616d-6b72-11e9-aae1-021e1ce18878" } ]
oc debug node/perf-node.example.com sh-4.2# cat /host/etc/kubernetes/kubelet.conf | grep cpuManager
cpuManagerPolicy: static 1 cpuManagerReconcilePeriod: 5s 2
oc new-project <project_name>
cat cpumanager-pod.yaml
apiVersion: v1 kind: Pod metadata: generateName: cpumanager- spec: securityContext: runAsNonRoot: true seccompProfile: type: RuntimeDefault containers: - name: cpumanager image: gcr.io/google_containers/pause:3.2 resources: requests: cpu: 1 memory: "1G" limits: cpu: 1 memory: "1G" securityContext: allowPrivilegeEscalation: false capabilities: drop: [ALL] nodeSelector: cpumanager: "true"
oc create -f cpumanager-pod.yaml
oc describe pod cpumanager
Name: cpumanager-6cqz7 Namespace: default Priority: 0 PriorityClassName: <none> Node: perf-node.example.com/xxx.xx.xx.xxx Limits: cpu: 1 memory: 1G Requests: cpu: 1 memory: 1G QoS Class: Guaranteed Node-Selectors: cpumanager=true
oc describe node --selector='cpumanager=true' | grep -i cpumanager- -B2
NAMESPACE NAME CPU Requests CPU Limits Memory Requests Memory Limits Age cpuman cpumanager-mlrrz 1 (28%) 1 (28%) 1G (13%) 1G (13%) 27m
oc debug node/perf-node.example.com
sh-4.2# systemctl status | grep -B5 pause
├─init.scope │ └─1 /usr/lib/systemd/systemd --switched-root --system --deserialize 17 └─kubepods.slice ├─kubepods-pod69c01f8e_6b74_11e9_ac0f_0a2b62178a22.slice │ ├─crio-b5437308f1a574c542bdf08563b865c0345c8f8c0b0a655612c.scope │ └─32706 /pause
cd /sys/fs/cgroup/kubepods.slice/kubepods-pod69c01f8e_6b74_11e9_ac0f_0a2b62178a22.slice/crio-b5437308f1ad1a7db0574c542bdf08563b865c0345c86e9585f8c0b0a655612c.scope
for i in `ls cpuset.cpus cgroup.procs` ; do echo -n "USDi "; cat USDi ; done
cpuset.cpus 1 tasks 32706
grep ^Cpus_allowed_list /proc/32706/status
Cpus_allowed_list: 1
cat /sys/fs/cgroup/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-podc494a073_6b77_11e9_98c0_06bba5c387ea.slice/crio-c56982f57b75a2420947f0afc6cafe7534c5734efc34157525fa9abbf99e3849.scope/cpuset.cpus
oc describe node perf-node.example.com
Capacity: attachable-volumes-aws-ebs: 39 cpu: 2 ephemeral-storage: 124768236Ki hugepages-1Gi: 0 hugepages-2Mi: 0 memory: 8162900Ki pods: 250 Allocatable: attachable-volumes-aws-ebs: 39 cpu: 1500m ephemeral-storage: 124768236Ki hugepages-1Gi: 0 hugepages-2Mi: 0 memory: 7548500Ki pods: 250 ------- ---- ------------ ---------- --------------- ------------- --- default cpumanager-6cqz7 1 (66%) 1 (66%) 1G (12%) 1G (12%) 29m Allocated resources: (Total limits may be over 100 percent, i.e., overcommitted.) Resource Requests Limits -------- -------- ------ cpu 1440m (96%) 1 (66%)
NAME READY STATUS RESTARTS AGE cpumanager-6cqz7 1/1 Running 0 33m cpumanager-7qc2t 0/1 Pending 0 11s
oc edit KubeletConfig cpumanager-enabled
apiVersion: machineconfiguration.openshift.io/v1 kind: KubeletConfig metadata: name: cpumanager-enabled spec: machineConfigPoolSelector: matchLabels: custom-kubelet: cpumanager-enabled kubeletConfig: cpuManagerPolicy: static 1 cpuManagerReconcilePeriod: 5s topologyManagerPolicy: single-numa-node 2
spec: containers: - name: nginx image: nginx
spec: containers: - name: nginx image: nginx resources: limits: memory: "200Mi" requests: memory: "100Mi"
spec: containers: - name: nginx image: nginx resources: limits: memory: "200Mi" cpu: "2" example.com/device: "1" requests: memory: "200Mi" cpu: "2" example.com/device: "1"
apiVersion: v1 kind: Namespace metadata: name: openshift-numaresources
oc create -f nro-namespace.yaml
apiVersion: operators.coreos.com/v1 kind: OperatorGroup metadata: name: numaresources-operator namespace: openshift-numaresources spec: targetNamespaces: - openshift-numaresources
oc create -f nro-operatorgroup.yaml
apiVersion: operators.coreos.com/v1alpha1 kind: Subscription metadata: name: numaresources-operator namespace: openshift-numaresources spec: channel: "4.18" name: numaresources-operator source: redhat-operators sourceNamespace: openshift-marketplace
oc create -f nro-sub.yaml
oc get csv -n openshift-numaresources
NAME DISPLAY VERSION REPLACES PHASE numaresources-operator.v4.18.2 numaresources-operator 4.18.2 Succeeded
apiVersion: nodetopology.openshift.io/v1 kind: NUMAResourcesOperator metadata: name: numaresourcesoperator spec: nodeGroups: - machineConfigPoolSelector: matchLabels: pools.operator.machineconfiguration.openshift.io/worker: "" 1
oc create -f nrop.yaml
apiVersion: nodetopology.openshift.io/v1 kind: NUMAResourcesOperator metadata: name: numaresourcesoperator spec: logLevel: Normal nodeGroups: - machineConfigPoolSelector: matchLabels: machineconfiguration.openshift.io/role: worker-ht - machineConfigPoolSelector: matchLabels: machineconfiguration.openshift.io/role: worker-cnf - machineConfigPoolSelector: matchLabels: machineconfiguration.openshift.io/role: worker-other
oc get numaresourcesoperators.nodetopology.openshift.io
NAME AGE numaresourcesoperator 27s
oc get all -n openshift-numaresources
NAME READY STATUS RESTARTS AGE pod/numaresources-controller-manager-7d9d84c58d-qk2mr 1/1 Running 0 12m pod/numaresourcesoperator-worker-7d96r 2/2 Running 0 97s pod/numaresourcesoperator-worker-crsht 2/2 Running 0 97s pod/numaresourcesoperator-worker-jp9mw 2/2 Running 0 97s
apiVersion: nodetopology.openshift.io/v1 kind: NUMAResourcesScheduler metadata: name: numaresourcesscheduler spec: imageSpec: "registry.redhat.io/openshift4/noderesourcetopology-scheduler-rhel9:v4.18" 1
oc create -f nro-scheduler.yaml
oc get all -n openshift-numaresources
NAME READY STATUS RESTARTS AGE pod/numaresources-controller-manager-7d9d84c58d-qk2mr 1/1 Running 0 12m pod/numaresourcesoperator-worker-7d96r 2/2 Running 0 97s pod/numaresourcesoperator-worker-crsht 2/2 Running 0 97s pod/numaresourcesoperator-worker-jp9mw 2/2 Running 0 97s pod/secondary-scheduler-847cb74f84-9whlm 1/1 Running 0 10m NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE daemonset.apps/numaresourcesoperator-worker 3 3 3 3 3 node-role.kubernetes.io/worker= 98s NAME READY UP-TO-DATE AVAILABLE AGE deployment.apps/numaresources-controller-manager 1/1 1 1 12m deployment.apps/secondary-scheduler 1/1 1 1 10m NAME DESIRED CURRENT READY AGE replicaset.apps/numaresources-controller-manager-7d9d84c58d 1 1 1 12m replicaset.apps/secondary-scheduler-847cb74f84 1 1 1 10m
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: performance spec: cpu: isolated: "3" reserved: 0-2 machineConfigPoolSelector: pools.operator.machineconfiguration.openshift.io/worker: "" 1 nodeSelector: node-role.kubernetes.io/worker: "" numa: topologyPolicy: single-numa-node 2 realTimeKernel: enabled: true workloadHints: highPowerConsumption: true perPodPowerManagement: false realTime: true
apiVersion: machineconfiguration.openshift.io/v1 kind: KubeletConfig metadata: name: worker-tuning spec: machineConfigPoolSelector: matchLabels: pools.operator.machineconfiguration.openshift.io/worker: "" 1 kubeletConfig: cpuManagerPolicy: "static" 2 cpuManagerReconcilePeriod: "5s" reservedSystemCPUs: "0,1" 3 memoryManagerPolicy: "Static" 4 evictionHard: memory.available: "100Mi" kubeReserved: memory: "512Mi" reservedMemory: - numaNode: 0 limits: memory: "1124Mi" systemReserved: memory: "512Mi" topologyManagerPolicy: "single-numa-node" 5
oc create -f nro-kubeletconfig.yaml
oc get numaresourcesschedulers.nodetopology.openshift.io numaresourcesscheduler -o json | jq '.status.schedulerName'
"topo-aware-scheduler"
apiVersion: apps/v1 kind: Deployment metadata: name: numa-deployment-1 namespace: openshift-numaresources spec: replicas: 1 selector: matchLabels: app: test template: metadata: labels: app: test spec: schedulerName: topo-aware-scheduler 1 containers: - name: ctnr image: quay.io/openshifttest/hello-openshift:openshift imagePullPolicy: IfNotPresent resources: limits: memory: "100Mi" cpu: "10" requests: memory: "100Mi" cpu: "10" - name: ctnr2 image: registry.access.redhat.com/rhel:latest imagePullPolicy: IfNotPresent command: ["/bin/sh", "-c"] args: [ "while true; do sleep 1h; done;" ] resources: limits: memory: "100Mi" cpu: "8" requests: memory: "100Mi" cpu: "8"
oc create -f nro-deployment.yaml
oc get pods -n openshift-numaresources
NAME READY STATUS RESTARTS AGE numa-deployment-1-6c4f5bdb84-wgn6g 2/2 Running 0 5m2s numaresources-controller-manager-7d9d84c58d-4v65j 1/1 Running 0 18m numaresourcesoperator-worker-7d96r 2/2 Running 4 43m numaresourcesoperator-worker-crsht 2/2 Running 2 43m numaresourcesoperator-worker-jp9mw 2/2 Running 2 43m secondary-scheduler-847cb74f84-fpncj 1/1 Running 0 18m
oc describe pod numa-deployment-1-6c4f5bdb84-wgn6g -n openshift-numaresources
Events: Type Reason Age From Message ---- ------ ---- ---- ------- Normal Scheduled 4m45s topo-aware-scheduler Successfully assigned openshift-numaresources/numa-deployment-1-6c4f5bdb84-wgn6g to worker-1
oc get pods -n openshift-numaresources -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES numa-deployment-1-6c4f5bdb84-wgn6g 0/2 Running 0 82m 10.128.2.50 worker-1 <none> <none>
oc describe noderesourcetopologies.topology.node.k8s.io worker-1
Zones: Costs: Name: node-0 Value: 10 Name: node-1 Value: 21 Name: node-0 Resources: Allocatable: 39 Available: 21 1 Capacity: 40 Name: cpu Allocatable: 6442450944 Available: 6442450944 Capacity: 6442450944 Name: hugepages-1Gi Allocatable: 134217728 Available: 134217728 Capacity: 134217728 Name: hugepages-2Mi Allocatable: 262415904768 Available: 262206189568 Capacity: 270146007040 Name: memory Type: Node
oc get pod numa-deployment-1-6c4f5bdb84-wgn6g -n openshift-numaresources -o jsonpath="{ .status.qosClass }"
Guaranteed
apiVersion: nodetopology.openshift.io/v1 kind: NUMAResourcesOperator metadata: name: numaresourcesoperator spec: nodeGroups: - config: infoRefreshMode: Periodic 1 infoRefreshPeriod: 10s 2 podsFingerprinting: Enabled 3 name: worker
oc get numaresop numaresourcesoperator -o json | jq '.status'
"config": { "infoRefreshMode": "Periodic", "infoRefreshPeriod": "10s", "podsFingerprinting": "Enabled" }, "name": "worker"
oc get crd | grep noderesourcetopologies
NAME CREATED AT noderesourcetopologies.topology.node.k8s.io 2022-01-18T08:28:06Z
oc get numaresourcesschedulers.nodetopology.openshift.io numaresourcesscheduler -o json | jq '.status.schedulerName'
topo-aware-scheduler
oc get noderesourcetopologies.topology.node.k8s.io
NAME AGE compute-0.example.com 17h compute-1.example.com 17h
oc get noderesourcetopologies.topology.node.k8s.io -o yaml
apiVersion: v1 items: - apiVersion: topology.node.k8s.io/v1 kind: NodeResourceTopology metadata: annotations: k8stopoawareschedwg/rte-update: periodic creationTimestamp: "2022-06-16T08:55:38Z" generation: 63760 name: worker-0 resourceVersion: "8450223" uid: 8b77be46-08c0-4074-927b-d49361471590 topologyPolicies: - SingleNUMANodeContainerLevel zones: - costs: - name: node-0 value: 10 - name: node-1 value: 21 name: node-0 resources: - allocatable: "38" available: "38" capacity: "40" name: cpu - allocatable: "134217728" available: "134217728" capacity: "134217728" name: hugepages-2Mi - allocatable: "262352048128" available: "262352048128" capacity: "270107316224" name: memory - allocatable: "6442450944" available: "6442450944" capacity: "6442450944" name: hugepages-1Gi type: Node - costs: - name: node-0 value: 21 - name: node-1 value: 10 name: node-1 resources: - allocatable: "268435456" available: "268435456" capacity: "268435456" name: hugepages-2Mi - allocatable: "269231067136" available: "269231067136" capacity: "270573244416" name: memory - allocatable: "40" available: "40" capacity: "40" name: cpu - allocatable: "1073741824" available: "1073741824" capacity: "1073741824" name: hugepages-1Gi type: Node - apiVersion: topology.node.k8s.io/v1 kind: NodeResourceTopology metadata: annotations: k8stopoawareschedwg/rte-update: periodic creationTimestamp: "2022-06-16T08:55:37Z" generation: 62061 name: worker-1 resourceVersion: "8450129" uid: e8659390-6f8d-4e67-9a51-1ea34bba1cc3 topologyPolicies: - SingleNUMANodeContainerLevel zones: 1 - costs: - name: node-0 value: 10 - name: node-1 value: 21 name: node-0 resources: 2 - allocatable: "38" available: "38" capacity: "40" name: cpu - allocatable: "6442450944" available: "6442450944" capacity: "6442450944" name: hugepages-1Gi - allocatable: "134217728" available: "134217728" capacity: "134217728" name: hugepages-2Mi - allocatable: "262391033856" available: "262391033856" capacity: "270146301952" name: memory type: Node - costs: - name: node-0 value: 21 - name: node-1 value: 10 name: node-1 resources: - allocatable: "40" available: "40" capacity: "40" name: cpu - allocatable: "1073741824" available: "1073741824" capacity: "1073741824" name: hugepages-1Gi - allocatable: "268435456" available: "268435456" capacity: "268435456" name: hugepages-2Mi - allocatable: "269192085504" available: "269192085504" capacity: "270534262784" name: memory type: Node kind: List metadata: resourceVersion: "" selfLink: ""
oc get NUMAResourcesScheduler
NAME AGE numaresourcesscheduler 92m
oc delete NUMAResourcesScheduler numaresourcesscheduler
numaresourcesscheduler.nodetopology.openshift.io "numaresourcesscheduler" deleted
apiVersion: nodetopology.openshift.io/v1 kind: NUMAResourcesScheduler metadata: name: numaresourcesscheduler spec: imageSpec: "registry.redhat.io/openshift4/noderesourcetopology-scheduler-container-rhel8:v4.18" cacheResyncPeriod: "5s" 1
oc create -f nro-scheduler-cacheresync.yaml
numaresourcesscheduler.nodetopology.openshift.io/numaresourcesscheduler created
oc get crd | grep numaresourcesschedulers
NAME CREATED AT numaresourcesschedulers.nodetopology.openshift.io 2022-02-25T11:57:03Z
oc get numaresourcesschedulers.nodetopology.openshift.io
NAME AGE numaresourcesscheduler 3h26m
oc get pods -n openshift-numaresources
NAME READY STATUS RESTARTS AGE numaresources-controller-manager-d87d79587-76mrm 1/1 Running 0 46h numaresourcesoperator-worker-5wm2k 2/2 Running 0 45h numaresourcesoperator-worker-pb75c 2/2 Running 0 45h secondary-scheduler-7976c4d466-qm4sc 1/1 Running 0 21m
oc logs secondary-scheduler-7976c4d466-qm4sc -n openshift-numaresources
I0223 11:04:55.614788 1 reflector.go:535] k8s.io/client-go/informers/factory.go:134: Watch close - *v1.Namespace total 11 items received I0223 11:04:56.609114 1 reflector.go:535] k8s.io/client-go/informers/factory.go:134: Watch close - *v1.ReplicationController total 10 items received I0223 11:05:22.626818 1 reflector.go:535] k8s.io/client-go/informers/factory.go:134: Watch close - *v1.StorageClass total 7 items received I0223 11:05:31.610356 1 reflector.go:535] k8s.io/client-go/informers/factory.go:134: Watch close - *v1.PodDisruptionBudget total 7 items received I0223 11:05:31.713032 1 eventhandlers.go:186] "Add event for scheduled pod" pod="openshift-marketplace/certified-operators-thtvq" I0223 11:05:53.461016 1 eventhandlers.go:244] "Delete event for scheduled pod" pod="openshift-marketplace/certified-operators-thtvq"
oc get NUMAResourcesScheduler
NAME AGE numaresourcesscheduler 92m
oc delete NUMAResourcesScheduler numaresourcesscheduler
numaresourcesscheduler.nodetopology.openshift.io "numaresourcesscheduler" deleted
apiVersion: nodetopology.openshift.io/v1 kind: NUMAResourcesScheduler metadata: name: numaresourcesscheduler spec: imageSpec: "registry.redhat.io/openshift4/noderesourcetopology-scheduler-container-rhel8:v{product-version}" scoringStrategy: type: "MostAllocated" 1
oc create -f nro-scheduler-mostallocated.yaml
numaresourcesscheduler.nodetopology.openshift.io/numaresourcesscheduler created
oc get crd | grep numaresourcesschedulers
NAME CREATED AT numaresourcesschedulers.nodetopology.openshift.io 2022-02-25T11:57:03Z
oc get numaresourcesschedulers.nodetopology.openshift.io
NAME AGE numaresourcesscheduler 3h26m
oc get -n openshift-numaresources cm topo-aware-scheduler-config -o yaml | grep scoring -A 1
scoringStrategy: type: MostAllocated
oc get NUMAResourcesScheduler
NAME AGE numaresourcesscheduler 90m
oc delete NUMAResourcesScheduler numaresourcesscheduler
numaresourcesscheduler.nodetopology.openshift.io "numaresourcesscheduler" deleted
apiVersion: nodetopology.openshift.io/v1 kind: NUMAResourcesScheduler metadata: name: numaresourcesscheduler spec: imageSpec: "registry.redhat.io/openshift4/noderesourcetopology-scheduler-container-rhel8:v4.18" logLevel: Debug
oc create -f nro-scheduler-debug.yaml
numaresourcesscheduler.nodetopology.openshift.io/numaresourcesscheduler created
oc get crd | grep numaresourcesschedulers
NAME CREATED AT numaresourcesschedulers.nodetopology.openshift.io 2022-02-25T11:57:03Z
oc get numaresourcesschedulers.nodetopology.openshift.io
NAME AGE numaresourcesscheduler 3h26m
oc get pods -n openshift-numaresources
NAME READY STATUS RESTARTS AGE numaresources-controller-manager-d87d79587-76mrm 1/1 Running 0 46h numaresourcesoperator-worker-5wm2k 2/2 Running 0 45h numaresourcesoperator-worker-pb75c 2/2 Running 0 45h secondary-scheduler-7976c4d466-qm4sc 1/1 Running 0 21m
oc logs secondary-scheduler-7976c4d466-qm4sc -n openshift-numaresources
I0223 11:04:55.614788 1 reflector.go:535] k8s.io/client-go/informers/factory.go:134: Watch close - *v1.Namespace total 11 items received I0223 11:04:56.609114 1 reflector.go:535] k8s.io/client-go/informers/factory.go:134: Watch close - *v1.ReplicationController total 10 items received I0223 11:05:22.626818 1 reflector.go:535] k8s.io/client-go/informers/factory.go:134: Watch close - *v1.StorageClass total 7 items received I0223 11:05:31.610356 1 reflector.go:535] k8s.io/client-go/informers/factory.go:134: Watch close - *v1.PodDisruptionBudget total 7 items received I0223 11:05:31.713032 1 eventhandlers.go:186] "Add event for scheduled pod" pod="openshift-marketplace/certified-operators-thtvq" I0223 11:05:53.461016 1 eventhandlers.go:244] "Delete event for scheduled pod" pod="openshift-marketplace/certified-operators-thtvq"
oc get numaresourcesoperators.nodetopology.openshift.io numaresourcesoperator -o jsonpath="{.status.daemonsets[0]}"
name: numaresourcesoperator-worker
namespace: openshift-numaresources
oc get ds -n openshift-numaresources numaresourcesoperator-worker -o jsonpath="{.spec.selector.matchLabels}"
name: resource-topology
oc get pods -n openshift-numaresources -l name=resource-topology -o wide
NAME READY STATUS RESTARTS AGE IP NODE numaresourcesoperator-worker-5wm2k 2/2 Running 0 2d1h 10.135.0.64 compute-0.example.com numaresourcesoperator-worker-pb75c 2/2 Running 0 2d1h 10.132.2.33 compute-1.example.com
oc logs -n openshift-numaresources -c resource-topology-exporter numaresourcesoperator-worker-pb75c
I0221 13:38:18.334140 1 main.go:206] using sysinfo: reservedCpus: 0,1 reservedMemory: "0": 1178599424 I0221 13:38:18.334370 1 main.go:67] === System information === I0221 13:38:18.334381 1 sysinfo.go:231] cpus: reserved "0-1" I0221 13:38:18.334493 1 sysinfo.go:237] cpus: online "0-103" I0221 13:38:18.546750 1 main.go:72] cpus: allocatable "2-103" hugepages-1Gi: numa cell 0 -> 6 numa cell 1 -> 1 hugepages-2Mi: numa cell 0 -> 64 numa cell 1 -> 128 memory: numa cell 0 -> 45758Mi numa cell 1 -> 48372Mi
Info: couldn't find configuration in "/etc/resource-topology-exporter/config.yaml"
oc get configmap
NAME DATA AGE 0e2a6bd3.openshift-kni.io 0 6d21h kube-root-ca.crt 1 6d21h openshift-service-ca.crt 1 6d21h topo-aware-scheduler-config 1 6d18h
oc get kubeletconfig -o yaml
machineConfigPoolSelector: matchLabels: cnf-worker-tuning: enabled
oc get mcp worker -o yaml
labels: machineconfiguration.openshift.io/mco-built-in: "" pools.operator.machineconfiguration.openshift.io/worker: ""
oc edit mcp worker -o yaml
labels: machineconfiguration.openshift.io/mco-built-in: "" pools.operator.machineconfiguration.openshift.io/worker: "" cnf-worker-tuning: enabled
oc get configmap
NAME DATA AGE 0e2a6bd3.openshift-kni.io 0 6d21h kube-root-ca.crt 1 6d21h numaresourcesoperator-worker 1 5m openshift-service-ca.crt 1 6d21h topo-aware-scheduler-config 1 6d18h
oc adm must-gather --image=registry.redhat.io/numaresources-must-gather/numaresources-must-gather-rhel9:v4.18
oc -n openshift-ingress patch deploy/router-default --type=strategic --patch='{"spec":{"template":{"spec":{"containers":[{"name":"router","livenessProbe":{"timeoutSeconds":5},"readinessProbe":{"timeoutSeconds":5}}]}}}}'
oc -n openshift-ingress describe deploy/router-default | grep -e Liveness: -e Readiness: Liveness: http-get http://:1936/healthz delay=0s timeout=5s period=10s #success=1 #failure=3 Readiness: http-get http://:1936/healthz/ready delay=0s timeout=5s period=10s #success=1 #failure=3
oc -n openshift-ingress-operator patch ingresscontrollers/default --type=merge --patch='{"spec":{"tuningOptions":{"reloadInterval":"15s"}}}'
networking: clusterNetwork: - cidr: 10.128.0.0/14 hostPrefix: 23 machineNetwork: - cidr: 10.0.0.0/16 networkType: OVNKubernetes serviceNetwork: - 172.30.0.0/16
apiVersion: machineconfiguration.openshift.io/v1 kind: MachineConfig metadata: labels: machineconfiguration.openshift.io/role: master name: 99-kubens-master spec: config: ignition: version: 3.2.0 systemd: units: - enabled: true name: kubens.service --- apiVersion: machineconfiguration.openshift.io/v1 kind: MachineConfig metadata: labels: machineconfiguration.openshift.io/role: worker name: 99-kubens-worker spec: config: ignition: version: 3.2.0 systemd: units: - enabled: true name: kubens.service
oc apply -f mount_namespace_config.yaml
machineconfig.machineconfiguration.openshift.io/99-kubens-master created machineconfig.machineconfiguration.openshift.io/99-kubens-worker created
oc get mcp
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT AGE master rendered-master-03d4bc4befb0f4ed3566a2c8f7636751 False True False 3 0 0 0 45m worker rendered-worker-10577f6ab0117ed1825f8af2ac687ddf False True False 3 1 1
oc wait --for=condition=Updated mcp --all --timeout=30m
machineconfigpool.machineconfiguration.openshift.io/master condition met machineconfigpool.machineconfiguration.openshift.io/worker condition met
oc debug node/<node_name>
sh-4.4# chroot /host
sh-4.4# readlink /proc/1/ns/mnt
mnt:[4026531953]
sh-4.4# readlink /proc/USD(pgrep kubelet)/ns/mnt
mnt:[4026531840]
sh-4.4# readlink /proc/USD(pgrep crio)/ns/mnt
mnt:[4026531840]
ssh core@<node_name>
[core@control-plane-1 ~]USD sudo kubensenter findmnt
kubensenter: Autodetect: kubens.service namespace found at /run/kubens/mnt TARGET SOURCE FSTYPE OPTIONS / /dev/sda4[/ostree/deploy/rhcos/deploy/32074f0e8e5ec453e56f5a8a7bc9347eaa4172349ceab9c22b709d9d71a3f4b0.0] | xfs rw,relatime,seclabel,attr2,inode64,logbufs=8,logbsize=32k,prjquota shm tmpfs
[core@control-plane-1 ~]USD sudo kubensenter
kubensenter: Autodetect: kubens.service namespace found at /run/kubens/mnt
[Unit] Description=Example service [Service] ExecStart=/usr/bin/kubensenter /path/to/original/command arg1 arg2
apiVersion: metal3.io/v1alpha1 kind: BareMetalHost metadata: name: <bare_metal_host_name> spec: online: true bmc: address: <bmc_address> credentialsName: <secret_credentials_name> 1 disableCertificateVerification: True 2 bootMACAddress: <host_boot_mac_address>
oc annotate machineset <machineset> -n openshift-machine-api 'metal3.io/autoscale-to-hosts=<any_value>'
oc annotate machineset <machineset> -n openshift-machine-api 'baremetalhost.metal3.io/detached'
oc annotate machineset <machineset> -n openshift-machine-api 'baremetalhost.metal3.io/detached-'
oc get baremetalhosts -n openshift-machine-api -o jsonpath='{range .items[*]}{.metadata.name}{"\t"}{.status.provisioning.state}{"\n"}{end}'
master-0.example.com managed master-1.example.com managed master-2.example.com managed worker-0.example.com managed worker-1.example.com managed worker-2.example.com managed
oc adm cordon <bare_metal_host> 1
oc adm drain <bare_metal_host> --force=true
oc patch <bare_metal_host> --type json -p '[{"op": "replace", "path": "/spec/online", "value": false}]'
oc adm uncordon <bare_metal_host>
apiVersion: v1 kind: Pod metadata: generateName: hugepages-volume- spec: containers: - securityContext: privileged: true image: rhel7:latest command: - sleep - inf name: example volumeMounts: - mountPath: /dev/hugepages name: hugepage resources: limits: hugepages-2Mi: 100Mi 1 memory: "1Gi" cpu: "1" volumes: - name: hugepage emptyDir: medium: HugePages
apiVersion: v1 kind: Pod metadata: generateName: hugepages-volume- labels: app: hugepages-example spec: containers: - securityContext: capabilities: add: [ "IPC_LOCK" ] image: rhel7:latest command: - sleep - inf name: example volumeMounts: - mountPath: /dev/hugepages name: hugepage - mountPath: /etc/podinfo name: podinfo resources: limits: hugepages-1Gi: 2Gi memory: "1Gi" cpu: "1" requests: hugepages-1Gi: 2Gi env: - name: REQUESTS_HUGEPAGES_1GI <.> valueFrom: resourceFieldRef: containerName: example resource: requests.hugepages-1Gi volumes: - name: hugepage emptyDir: medium: HugePages - name: podinfo downwardAPI: items: - path: "hugepages_1G_request" <.> resourceFieldRef: containerName: example resource: requests.hugepages-1Gi divisor: 1Gi
oc create -f hugepages-volume-pod.yaml
oc exec -it USD(oc get pods -l app=hugepages-example -o jsonpath='{.items[0].metadata.name}') -- env | grep REQUESTS_HUGEPAGES_1GI
REQUESTS_HUGEPAGES_1GI=2147483648
oc exec -it USD(oc get pods -l app=hugepages-example -o jsonpath='{.items[0].metadata.name}') -- cat /etc/podinfo/hugepages_1G_request
2
oc label node <node_using_hugepages> node-role.kubernetes.io/worker-hp=
apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: hugepages 1 namespace: openshift-cluster-node-tuning-operator spec: profile: 2 - data: | [main] summary=Boot time configuration for hugepages include=openshift-node [bootloader] cmdline_openshift_node_hugepages=hugepagesz=2M hugepages=50 3 name: openshift-node-hugepages recommend: - machineConfigLabels: 4 machineconfiguration.openshift.io/role: "worker-hp" priority: 30 profile: openshift-node-hugepages
oc create -f hugepages-tuned-boottime.yaml
apiVersion: machineconfiguration.openshift.io/v1 kind: MachineConfigPool metadata: name: worker-hp labels: worker-hp: "" spec: machineConfigSelector: matchExpressions: - {key: machineconfiguration.openshift.io/role, operator: In, values: [worker,worker-hp]} nodeSelector: matchLabels: node-role.kubernetes.io/worker-hp: ""
oc create -f hugepages-mcp.yaml
oc get node <node_using_hugepages> -o jsonpath="{.status.allocatable.hugepages-2Mi}" 100Mi
apiVersion: tuned.openshift.io/v1 kind: Tuned metadata: name: thp-workers-profile namespace: openshift-cluster-node-tuning-operator spec: profile: - data: | [main] summary=Custom tuned profile for OpenShift to turn off THP on worker nodes include=openshift-node [vm] transparent_hugepages=never name: openshift-thp-never-worker recommend: - match: - label: node-role.kubernetes.io/worker priority: 25 profile: openshift-thp-never-worker
oc create -f thp-disable-tuned.yaml
oc get profile -n openshift-cluster-node-tuning-operator
cat /sys/kernel/mm/transparent_hugepage/enabled
always madvise [never]
oc label node <node_name> node-role.kubernetes.io/worker-cnf="" 1
apiVersion: machineconfiguration.openshift.io/v1 kind: MachineConfigPool metadata: name: worker-cnf 1 labels: machineconfiguration.openshift.io/role: worker-cnf 2 spec: machineConfigSelector: matchExpressions: - { key: machineconfiguration.openshift.io/role, operator: In, values: [worker, worker-cnf], } paused: false nodeSelector: matchLabels: node-role.kubernetes.io/worker-cnf: "" 3
oc apply -f mcp-worker-cnf.yaml
machineconfigpool.machineconfiguration.openshift.io/worker-cnf created
oc get mcp
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT AGE master rendered-master-58433c7c3c1b4ed5ffef95234d451490 True False False 3 3 3 0 6h46m worker rendered-worker-168f52b168f151e4f853259729b6azc4 True False False 2 2 2 0 6h46m worker-cnf rendered-worker-cnf-168f52b168f151e4f853259729b6azc4 True False False 1 1 1 0 73s
oc adm must-gather
tar cvaf must-gather.tar.gz <must_gather_folder> 1
oc get mcp
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT AGE master rendered-master-58433c8c3c0b4ed5feef95434d455490 True False False 3 3 3 0 8h worker rendered-worker-668f56a164f151e4a853229729b6adc4 True False False 2 2 2 0 8h worker-cnf rendered-worker-cnf-668f56a164f151e4a853229729b6adc4 True False False 1 1 1 0 79m
podman login registry.redhat.io
Username: <user_name> Password: <password>
podman run --rm --entrypoint performance-profile-creator registry.redhat.io/openshift4/ose-cluster-node-tuning-rhel9-operator:v4.18 -h
A tool that automates creation of Performance Profiles Usage: performance-profile-creator [flags] Flags: --disable-ht Disable Hyperthreading -h, --help help for performance-profile-creator --info string Show cluster information; requires --must-gather-dir-path, ignore the other arguments. [Valid values: log, json] (default "log") --mcp-name string MCP name corresponding to the target machines (required) --must-gather-dir-path string Must gather directory path (default "must-gather") --offlined-cpu-count int Number of offlined CPUs --per-pod-power-management Enable Per Pod Power Management --power-consumption-mode string The power consumption mode. [Valid values: default, low-latency, ultra-low-latency] (default "default") --profile-name string Name of the performance profile to be created (default "performance") --reserved-cpu-count int Number of reserved CPUs (required) --rt-kernel Enable Real Time Kernel (required) --split-reserved-cpus-across-numa Split the Reserved CPUs across NUMA nodes --topology-manager-policy string Kubelet Topology Manager Policy of the performance profile to be created. [Valid values: single-numa-node, best-effort, restricted] (default "restricted") --user-level-networking Run with User level Networking(DPDK) enabled
podman run --entrypoint performance-profile-creator -v <path_to_must_gather>:/must-gather:z registry.redhat.io/openshift4/ose-cluster-node-tuning-rhel9-operator:v4.18 --info log --must-gather-dir-path /must-gather
level=info msg="Cluster info:" level=info msg="MCP 'master' nodes:" level=info msg=--- level=info msg="MCP 'worker' nodes:" level=info msg="Node: host.example.com (NUMA cells: 1, HT: true)" level=info msg="NUMA cell 0 : [0 1 2 3]" level=info msg="CPU(s): 4" level=info msg="Node: host1.example.com (NUMA cells: 1, HT: true)" level=info msg="NUMA cell 0 : [0 1 2 3]" level=info msg="CPU(s): 4" level=info msg=--- level=info msg="MCP 'worker-cnf' nodes:" level=info msg="Node: host2.example.com (NUMA cells: 1, HT: true)" level=info msg="NUMA cell 0 : [0 1 2 3]" level=info msg="CPU(s): 4" level=info msg=---
podman run --entrypoint performance-profile-creator -v <path_to_must_gather>:/must-gather:z registry.redhat.io/openshift4/ose-cluster-node-tuning-rhel9-operator:v4.18 --mcp-name=worker-cnf --reserved-cpu-count=1 --rt-kernel=true --split-reserved-cpus-across-numa=false --must-gather-dir-path /must-gather --power-consumption-mode=ultra-low-latency --offlined-cpu-count=1 > my-performance-profile.yaml
level=info msg="Nodes targeted by worker-cnf MCP are: [worker-2]" level=info msg="NUMA cell(s): 1" level=info msg="NUMA cell 0 : [0 1 2 3]" level=info msg="CPU(s): 4" level=info msg="1 reserved CPUs allocated: 0 " level=info msg="2 isolated CPUs allocated: 2-3" level=info msg="Additional Kernel Args based on configuration: []"
cat my-performance-profile.yaml
--- apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: performance spec: cpu: isolated: 2-3 offlined: "1" reserved: "0" machineConfigPoolSelector: machineconfiguration.openshift.io/role: worker-cnf nodeSelector: node-role.kubernetes.io/worker-cnf: "" numa: topologyPolicy: restricted realTimeKernel: enabled: true workloadHints: highPowerConsumption: true perPodPowerManagement: false realTime: true
oc apply -f my-performance-profile.yaml
performanceprofile.performance.openshift.io/performance created
vi run-perf-profile-creator.sh
#!/bin/bash readonly CONTAINER_RUNTIME=USD{CONTAINER_RUNTIME:-podman} readonly CURRENT_SCRIPT=USD(basename "USD0") readonly CMD="USD{CONTAINER_RUNTIME} run --entrypoint performance-profile-creator" readonly IMG_EXISTS_CMD="USD{CONTAINER_RUNTIME} image exists" readonly IMG_PULL_CMD="USD{CONTAINER_RUNTIME} image pull" readonly MUST_GATHER_VOL="/must-gather" NTO_IMG="registry.redhat.io/openshift4/ose-cluster-node-tuning-rhel9-operator:v4.18" MG_TARBALL="" DATA_DIR="" usage() { print "Wrapper usage:" print " USD{CURRENT_SCRIPT} [-h] [-p image][-t path] -- [performance-profile-creator flags]" print "" print "Options:" print " -h help for USD{CURRENT_SCRIPT}" print " -p Node Tuning Operator image" print " -t path to a must-gather tarball" USD{IMG_EXISTS_CMD} "USD{NTO_IMG}" && USD{CMD} "USD{NTO_IMG}" -h } function cleanup { [ -d "USD{DATA_DIR}" ] && rm -rf "USD{DATA_DIR}" } trap cleanup EXIT exit_error() { print "error: USD*" usage exit 1 } print() { echo "USD*" >&2 } check_requirements() { USD{IMG_EXISTS_CMD} "USD{NTO_IMG}" || USD{IMG_PULL_CMD} "USD{NTO_IMG}" || exit_error "Node Tuning Operator image not found" [ -n "USD{MG_TARBALL}" ] || exit_error "Must-gather tarball file path is mandatory" [ -f "USD{MG_TARBALL}" ] || exit_error "Must-gather tarball file not found" DATA_DIR=USD(mktemp -d -t "USD{CURRENT_SCRIPT}XXXX") || exit_error "Cannot create the data directory" tar -zxf "USD{MG_TARBALL}" --directory "USD{DATA_DIR}" || exit_error "Cannot decompress the must-gather tarball" chmod a+rx "USD{DATA_DIR}" return 0 } main() { while getopts ':hp:t:' OPT; do case "USD{OPT}" in h) usage exit 0 ;; p) NTO_IMG="USD{OPTARG}" ;; t) MG_TARBALL="USD{OPTARG}" ;; ?) exit_error "invalid argument: USD{OPTARG}" ;; esac done shift USD((OPTIND - 1)) check_requirements || exit 1 USD{CMD} -v "USD{DATA_DIR}:USD{MUST_GATHER_VOL}:z" "USD{NTO_IMG}" "USD@" --must-gather-dir-path "USD{MUST_GATHER_VOL}" echo "" 1>&2 } main "USD@"
chmod a+x run-perf-profile-creator.sh
podman login registry.redhat.io
Username: <user_name> Password: <password>
./run-perf-profile-creator.sh -h
Wrapper usage: run-perf-profile-creator.sh [-h] [-p image][-t path] -- [performance-profile-creator flags] Options: -h help for run-perf-profile-creator.sh -p Node Tuning Operator image -t path to a must-gather tarball A tool that automates creation of Performance Profiles Usage: performance-profile-creator [flags] Flags: --disable-ht Disable Hyperthreading -h, --help help for performance-profile-creator --info string Show cluster information; requires --must-gather-dir-path, ignore the other arguments. [Valid values: log, json] (default "log") --mcp-name string MCP name corresponding to the target machines (required) --must-gather-dir-path string Must gather directory path (default "must-gather") --offlined-cpu-count int Number of offlined CPUs --per-pod-power-management Enable Per Pod Power Management --power-consumption-mode string The power consumption mode. [Valid values: default, low-latency, ultra-low-latency] (default "default") --profile-name string Name of the performance profile to be created (default "performance") --reserved-cpu-count int Number of reserved CPUs (required) --rt-kernel Enable Real Time Kernel (required) --split-reserved-cpus-across-numa Split the Reserved CPUs across NUMA nodes --topology-manager-policy string Kubelet Topology Manager Policy of the performance profile to be created. [Valid values: single-numa-node, best-effort, restricted] (default "restricted") --user-level-networking Run with User level Networking(DPDK) enabled --enable-hardware-tuning Enable setting maximum CPU frequencies
./run-perf-profile-creator.sh -t /<path_to_must_gather_dir>/must-gather.tar.gz -- --info=log
level=info msg="Cluster info:" level=info msg="MCP 'master' nodes:" level=info msg=--- level=info msg="MCP 'worker' nodes:" level=info msg="Node: host.example.com (NUMA cells: 1, HT: true)" level=info msg="NUMA cell 0 : [0 1 2 3]" level=info msg="CPU(s): 4" level=info msg="Node: host1.example.com (NUMA cells: 1, HT: true)" level=info msg="NUMA cell 0 : [0 1 2 3]" level=info msg="CPU(s): 4" level=info msg=--- level=info msg="MCP 'worker-cnf' nodes:" level=info msg="Node: host2.example.com (NUMA cells: 1, HT: true)" level=info msg="NUMA cell 0 : [0 1 2 3]" level=info msg="CPU(s): 4" level=info msg=---
./run-perf-profile-creator.sh -t /path-to-must-gather/must-gather.tar.gz -- --mcp-name=worker-cnf --reserved-cpu-count=1 --rt-kernel=true --split-reserved-cpus-across-numa=false --power-consumption-mode=ultra-low-latency --offlined-cpu-count=1 > my-performance-profile.yaml
cat my-performance-profile.yaml
--- apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: performance spec: cpu: isolated: 2-3 offlined: "1" reserved: "0" machineConfigPoolSelector: machineconfiguration.openshift.io/role: worker-cnf nodeSelector: node-role.kubernetes.io/worker-cnf: "" numa: topologyPolicy: restricted realTimeKernel: enabled: true workloadHints: highPowerConsumption: true perPodPowerManagement: false realTime: true
oc apply -f my-performance-profile.yaml
performanceprofile.performance.openshift.io/performance created
Error: failed to compute the reserved and isolated CPUs: please ensure that reserved-cpu-count plus offlined-cpu-count should be in the range [0,1]
Error: failed to compute the reserved and isolated CPUs: please specify the offlined CPU count in the range [0,1]
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: cnf-performanceprofile spec: additionalKernelArgs: - nmi_watchdog=0 - audit=0 - mce=off - processor.max_cstate=1 - idle=poll - intel_idle.max_cstate=0 - default_hugepagesz=1GB - hugepagesz=1G - intel_iommu=on cpu: isolated: <CPU_ISOLATED> reserved: <CPU_RESERVED> hugepages: defaultHugepagesSize: 1G pages: - count: <HUGEPAGES_COUNT> node: 0 size: 1G nodeSelector: node-role.kubernetes.io/worker: '' realTimeKernel: enabled: false globallyDisableIrqLoadBalancing: true
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: # if you change this name make sure the 'include' line in TunedPerformancePatch.yaml # matches this name: include=openshift-node-performance-USD{PerformanceProfile.metadata.name} # Also in file 'validatorCRs/informDuValidator.yaml': # name: 50-performance-USD{PerformanceProfile.metadata.name} name: openshift-node-performance-profile annotations: ran.openshift.io/reference-configuration: "ran-du.redhat.com" spec: additionalKernelArgs: - "rcupdate.rcu_normal_after_boot=0" - "efi=runtime" - "vfio_pci.enable_sriov=1" - "vfio_pci.disable_idle_d3=1" - "module_blacklist=irdma" cpu: isolated: USDisolated reserved: USDreserved hugepages: defaultHugepagesSize: USDdefaultHugepagesSize pages: - size: USDsize count: USDcount node: USDnode machineConfigPoolSelector: pools.operator.machineconfiguration.openshift.io/USDmcp: "" nodeSelector: node-role.kubernetes.io/USDmcp: '' numa: topologyPolicy: "restricted" # To use the standard (non-realtime) kernel, set enabled to false realTimeKernel: enabled: true workloadHints: # WorkloadHints defines the set of upper level flags for different type of workloads. # See https://github.com/openshift/cluster-node-tuning-operator/blob/master/docs/performanceprofile/performance_profile.md#workloadhints # for detailed descriptions of each item. # The configuration below is set for a low latency, performance mode. realTime: true highPowerConsumption: false perPodPowerManagement: false
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: # if you change this name make sure the 'include' line in TunedPerformancePatch.yaml # matches this name: include=openshift-node-performance-USD{PerformanceProfile.metadata.name} # Also in file 'validatorCRs/informDuValidator.yaml': # name: 50-performance-USD{PerformanceProfile.metadata.name} name: openshift-node-performance-profile annotations: ran.openshift.io/reference-configuration: "ran-du.redhat.com" spec: additionalKernelArgs: - "rcupdate.rcu_normal_after_boot=0" - "efi=runtime" - "vfio_pci.enable_sriov=1" - "vfio_pci.disable_idle_d3=1" - "module_blacklist=irdma" cpu: isolated: USDisolated reserved: USDreserved hugepages: defaultHugepagesSize: USDdefaultHugepagesSize pages: - size: USDsize count: USDcount node: USDnode machineConfigPoolSelector: pools.operator.machineconfiguration.openshift.io/USDmcp: "" nodeSelector: node-role.kubernetes.io/USDmcp: '' numa: topologyPolicy: "restricted" # To use the standard (non-realtime) kernel, set enabled to false realTimeKernel: enabled: true workloadHints: # WorkloadHints defines the set of upper level flags for different type of workloads. # See https://github.com/openshift/cluster-node-tuning-operator/blob/master/docs/performanceprofile/performance_profile.md#workloadhints # for detailed descriptions of each item. # The configuration below is set for a low latency, performance mode. realTime: true highPowerConsumption: false perPodPowerManagement: false
workloadHints: highPowerConsumption: false realTime: false
workloadHints: highPowerConsumption: false realTime: true
workloadHints: highPowerConsumption: true realTime: true
workloadHints: realTime: true highPowerConsumption: false perPodPowerManagement: true
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: workload-hints spec: workloadHints: realTime: true highPowerConsumption: false perPodPowerManagement: false 1
podman run --entrypoint performance-profile-creator -v /must-gather:/must-gather:z registry.redhat.io/openshift4/ose-cluster-node-tuning-rhel9-operator:v4.18 --mcp-name=worker-cnf --reserved-cpu-count=20 --rt-kernel=true --split-reserved-cpus-across-numa=false --topology-manager-policy=single-numa-node --must-gather-dir-path /must-gather --power-consumption-mode=low-latency \ 1 --per-pod-power-management=true > my-performance-profile.yaml
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: performance spec: [.....] workloadHints: realTime: true highPowerConsumption: false perPodPowerManagement: true
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: performance spec: additionalKernelArgs: - cpufreq.default_governor=schedutil 1
spec: profile: - data: | [sysfs] /sys/devices/system/cpu/intel_pstate/max_perf_pct = <x> 1
\ufeffapiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: infra-cpus spec: cpu: reserved: "0-4,9" 1 isolated: "5-8" 2 nodeSelector: 3 node-role.kubernetes.io/worker: ""
lscpu --all --extended
CPU NODE SOCKET CORE L1d:L1i:L2:L3 ONLINE MAXMHZ MINMHZ 0 0 0 0 0:0:0:0 yes 4800.0000 400.0000 1 0 0 1 1:1:1:0 yes 4800.0000 400.0000 2 0 0 2 2:2:2:0 yes 4800.0000 400.0000 3 0 0 3 3:3:3:0 yes 4800.0000 400.0000 4 0 0 0 0:0:0:0 yes 4800.0000 400.0000 5 0 0 1 1:1:1:0 yes 4800.0000 400.0000 6 0 0 2 2:2:2:0 yes 4800.0000 400.0000 7 0 0 3 3:3:3:0 yes 4800.0000 400.0000
cat /sys/devices/system/cpu/cpu0/topology/thread_siblings_list
0-4
cpu: isolated: 0,4 reserved: 1-3,5-7
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: example-performanceprofile spec: additionalKernelArgs: - nmi_watchdog=0 - audit=0 - mce=off - processor.max_cstate=1 - idle=poll - intel_idle.max_cstate=0 - nosmt cpu: isolated: 2-3 reserved: 0-1 hugepages: defaultHugepagesSize: 1G pages: - count: 2 node: 0 size: 1G nodeSelector: node-role.kubernetes.io/performance: '' realTimeKernel: enabled: true
find /proc/irq -name effective_affinity -printf "%p: " -exec cat {} \;
/proc/irq/0/effective_affinity: 1 /proc/irq/1/effective_affinity: 8 /proc/irq/2/effective_affinity: 0 /proc/irq/3/effective_affinity: 1 /proc/irq/4/effective_affinity: 2 /proc/irq/5/effective_affinity: 1 /proc/irq/6/effective_affinity: 1 /proc/irq/7/effective_affinity: 1 /proc/irq/8/effective_affinity: 1 /proc/irq/9/effective_affinity: 2 /proc/irq/10/effective_affinity: 1 /proc/irq/11/effective_affinity: 1 /proc/irq/12/effective_affinity: 4 /proc/irq/13/effective_affinity: 1 /proc/irq/14/effective_affinity: 1 /proc/irq/15/effective_affinity: 1 /proc/irq/24/effective_affinity: 2 /proc/irq/25/effective_affinity: 4 /proc/irq/26/effective_affinity: 2 /proc/irq/27/effective_affinity: 1 /proc/irq/28/effective_affinity: 8 /proc/irq/29/effective_affinity: 4 /proc/irq/30/effective_affinity: 4 /proc/irq/31/effective_affinity: 8 /proc/irq/32/effective_affinity: 8 /proc/irq/33/effective_affinity: 1 /proc/irq/34/effective_affinity: 2
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: dynamic-irq-profile spec: cpu: isolated: 2-5 reserved: 0-1
hugepages: defaultHugepagesSize: "1G" pages: - size: "1G" count: 4 node: 0 1
oc debug node/ip-10-0-141-105.ec2.internal
grep -i huge /proc/meminfo
AnonHugePages: ###### ## ShmemHugePages: 0 kB HugePages_Total: 2 HugePages_Free: 2 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: #### ## Hugetlb: #### ##
oc describe node worker-0.ocp4poc.example.com | grep -i huge
hugepages-1g=true hugepages-###: ### hugepages-###: ###
spec: hugepages: defaultHugepagesSize: 1G pages: - count: 1024 node: 0 size: 2M - count: 4 node: 1 size: 1G
oc edit -f <your_profile_name>.yaml
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: manual spec: cpu: isolated: 3-51,55-103 reserved: 0-2,52-54 net: userLevelNetworking: true nodeSelector: node-role.kubernetes.io/worker-cnf: ""
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: manual spec: cpu: isolated: 3-51,55-103 reserved: 0-2,52-54 net: userLevelNetworking: true devices: - interfaceName: "eth0" - interfaceName: "eth1" - vendorID: "0x1af4" deviceID: "0x1000" nodeSelector: node-role.kubernetes.io/worker-cnf: ""
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: manual spec: cpu: isolated: 3-51,55-103 reserved: 0-2,52-54 net: userLevelNetworking: true devices: - interfaceName: "eth*" nodeSelector: node-role.kubernetes.io/worker-cnf: ""
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: manual spec: cpu: isolated: 3-51,55-103 reserved: 0-2,52-54 net: userLevelNetworking: true devices: - interfaceName: "!eno1" nodeSelector: node-role.kubernetes.io/worker-cnf: ""
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: name: manual spec: cpu: isolated: 3-51,55-103 reserved: 0-2,52-54 net: userLevelNetworking: true devices: - interfaceName: "eth0" - vendorID: "0x1af4" deviceID: "0x1000" nodeSelector: node-role.kubernetes.io/worker-cnf: ""
oc apply -f <your_profile_name>.yaml
apiVersion: performance.openshift.io/v2 metadata: name: performance spec: kind: PerformanceProfile spec: cpu: reserved: 0-1 #total = 2 isolated: 2-8 net: userLevelNetworking: true
ethtool -l <device>
ethtool -l ens4
Channel parameters for ens4: Pre-set maximums: RX: 0 TX: 0 Other: 0 Combined: 4 Current hardware settings: RX: 0 TX: 0 Other: 0 Combined: 4
ethtool -l ens4
Channel parameters for ens4: Pre-set maximums: RX: 0 TX: 0 Other: 0 Combined: 4 Current hardware settings: RX: 0 TX: 0 Other: 0 Combined: 2 1
apiVersion: performance.openshift.io/v2 metadata: name: performance spec: kind: PerformanceProfile spec: cpu: reserved: 0-1 #total = 2 isolated: 2-8 net: userLevelNetworking: true devices: - vendorID = 0x1af4
ethtool -l <device>
ethtool -l ens4
Channel parameters for ens4: Pre-set maximums: RX: 0 TX: 0 Other: 0 Combined: 4 Current hardware settings: RX: 0 TX: 0 Other: 0 Combined: 2 1
udevadm info -p /sys/class/net/ens4 E: ID_MODEL_ID=0x1000 E: ID_VENDOR_ID=0x1af4 E: INTERFACE=ens4
udevadm info -p /sys/class/net/eth0 E: ID_MODEL_ID=0x1002 E: ID_VENDOR_ID=0x1001 E: INTERFACE=eth0
apiVersion: performance.openshift.io/v2 metadata: name: performance spec: kind: PerformanceProfile spec: cpu: reserved: 0-1 #total = 2 isolated: 2-8 net: userLevelNetworking: true devices: - interfaceName = eth0 - vendorID = 0x1af4
ethtool -l ens4
Channel parameters for ens4: Pre-set maximums: RX: 0 TX: 0 Other: 0 Combined: 4 Current hardware settings: RX: 0 TX: 0 Other: 0 Combined: 2 1
INFO tuned.plugins.base: instance net_test (net): assigning devices ens1, ens2, ens3
WARNING tuned.plugins.base: instance net_test: no matching devices available
apiVersion: v1 kind: Pod metadata: name: dynamic-low-latency-pod annotations: cpu-quota.crio.io: "disable" 1 cpu-load-balancing.crio.io: "disable" 2 irq-load-balancing.crio.io: "disable" 3 spec: securityContext: runAsNonRoot: true seccompProfile: type: RuntimeDefault containers: - name: dynamic-low-latency-pod image: "registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18" command: ["sleep", "10h"] resources: requests: cpu: 2 memory: "200M" limits: cpu: 2 memory: "200M" securityContext: allowPrivilegeEscalation: false capabilities: drop: [ALL] nodeSelector: node-role.kubernetes.io/worker-cnf: "" 4 runtimeClassName: performance-dynamic-low-latency-profile 5
oc get pod -o wide
NAME READY STATUS RESTARTS AGE IP NODE dynamic-low-latency-pod 1/1 Running 0 5h33m 10.131.0.10 cnf-worker.example.com
oc exec -it dynamic-low-latency-pod -- /bin/bash -c "grep Cpus_allowed_list /proc/self/status | awk '{print USD2}'"
Cpus_allowed_list: 2-3
oc debug node/<node-name>
sh-4.4# chroot /host
sh-4.4#
sh-4.4# cat /proc/irq/default_smp_affinity
33
sh-4.4# find /proc/irq/ -name smp_affinity_list -exec sh -c 'i="USD1"; mask=USD(cat USDi); file=USD(echo USDi); echo USDfile: USDmask' _ {} \;
/proc/irq/0/smp_affinity_list: 0-5 /proc/irq/1/smp_affinity_list: 5 /proc/irq/2/smp_affinity_list: 0-5 /proc/irq/3/smp_affinity_list: 0-5 /proc/irq/4/smp_affinity_list: 0 /proc/irq/5/smp_affinity_list: 0-5 /proc/irq/6/smp_affinity_list: 0-5 /proc/irq/7/smp_affinity_list: 0-5 /proc/irq/8/smp_affinity_list: 4 /proc/irq/9/smp_affinity_list: 4 /proc/irq/10/smp_affinity_list: 0-5 /proc/irq/11/smp_affinity_list: 0 /proc/irq/12/smp_affinity_list: 1 /proc/irq/13/smp_affinity_list: 0-5 /proc/irq/14/smp_affinity_list: 1 /proc/irq/15/smp_affinity_list: 0 /proc/irq/24/smp_affinity_list: 1 /proc/irq/25/smp_affinity_list: 1 /proc/irq/26/smp_affinity_list: 1 /proc/irq/27/smp_affinity_list: 5 /proc/irq/28/smp_affinity_list: 1 /proc/irq/29/smp_affinity_list: 0 /proc/irq/30/smp_affinity_list: 0-5
apiVersion: v1 kind: Pod metadata: name: qos-demo namespace: qos-example spec: securityContext: runAsNonRoot: true seccompProfile: type: RuntimeDefault containers: - name: qos-demo-ctr image: <image-pull-spec> resources: limits: memory: "200Mi" cpu: "1" requests: memory: "200Mi" cpu: "1" securityContext: allowPrivilegeEscalation: false capabilities: drop: [ALL]
oc apply -f qos-pod.yaml --namespace=qos-example
oc get pod qos-demo --namespace=qos-example --output=yaml
spec: containers: status: qosClass: Guaranteed
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile status: runtimeClass: performance-manual
apiVersion: v1 kind: Pod metadata: # annotations: # cpu-load-balancing.crio.io: "disable" # # spec: # runtimeClassName: performance-<profile_name> #
apiVersion: v1 kind: Pod metadata: # annotations: # cpu-c-states.crio.io: "disable" cpu-freq-governor.crio.io: "performance" # # spec: # runtimeClassName: performance-<profile_name> #
apiVersion: v1 kind: Pod metadata: annotations: cpu-quota.crio.io: "disable" spec: runtimeClassName: performance-<profile_name> #
apiVersion: performance.openshift.io/v2 kind: Pod metadata: annotations: irq-load-balancing.crio.io: "disable" spec: runtimeClassName: performance-<profile_name>
Status: Conditions: Last Heartbeat Time: 2020-06-02T10:01:24Z Last Transition Time: 2020-06-02T10:01:24Z Status: True Type: Available Last Heartbeat Time: 2020-06-02T10:01:24Z Last Transition Time: 2020-06-02T10:01:24Z Status: True Type: Upgradeable Last Heartbeat Time: 2020-06-02T10:01:24Z Last Transition Time: 2020-06-02T10:01:24Z Status: False Type: Progressing Last Heartbeat Time: 2020-06-02T10:01:24Z Last Transition Time: 2020-06-02T10:01:24Z Status: False Type: Degraded
oc get mcp
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT AGE master rendered-master-2ee57a93fa6c9181b546ca46e1571d2d True False False 3 3 3 0 2d21h worker rendered-worker-d6b2bdc07d9f5a59a6b68950acf25e5f True False False 2 2 2 0 2d21h worker-cnf rendered-worker-cnf-6c838641b8a08fff08dbd8b02fb63f7c False True True 2 1 1 1 2d20h
oc describe mcp worker-cnf
Message: Node node-worker-cnf is reporting: "prepping update: machineconfig.machineconfiguration.openshift.io \"rendered-worker-cnf-40b9996919c08e335f3ff230ce1d170\" not found" Reason: 1 nodes are reporting degraded status on sync
oc describe performanceprofiles performance
Message: Machine config pool worker-cnf Degraded Reason: 1 nodes are reporting degraded status on sync. Machine config pool worker-cnf Degraded Message: Node yquinn-q8s5v-w-b-z5lqn.c.openshift-gce-devel.internal is reporting: "prepping update: machineconfig.machineconfiguration.openshift.io \"rendered-worker-cnf-40b9996919c08e335f3ff230ce1d170\" not found". Reason: MCPDegraded Status: True Type: Degraded
oc adm must-gather
[must-gather ] OUT Using must-gather plug-in image: quay.io/openshift-release When opening a support case, bugzilla, or issue please include the following summary data along with any other requested information: ClusterID: 829er0fa-1ad8-4e59-a46e-2644921b7eb6 ClusterVersion: Stable at "<cluster_version>" ClusterOperators: All healthy and stable [must-gather ] OUT namespace/openshift-must-gather-8fh4x created [must-gather ] OUT clusterrolebinding.rbac.authorization.k8s.io/must-gather-rhlgc created [must-gather-5564g] POD 2023-07-17T10:17:37.610340849Z Gathering data for ns/openshift-cluster-version [must-gather-5564g] POD 2023-07-17T10:17:38.786591298Z Gathering data for ns/default [must-gather-5564g] POD 2023-07-17T10:17:39.117418660Z Gathering data for ns/openshift [must-gather-5564g] POD 2023-07-17T10:17:39.447592859Z Gathering data for ns/kube-system [must-gather-5564g] POD 2023-07-17T10:17:39.803381143Z Gathering data for ns/openshift-etcd Reprinting Cluster State: When opening a support case, bugzilla, or issue please include the following summary data along with any other requested information: ClusterID: 829er0fa-1ad8-4e59-a46e-2644921b7eb6 ClusterVersion: Stable at "<cluster_version>" ClusterOperators: All healthy and stable
tar cvaf must-gather.tar.gz must-gather-local.5421342344627712289 1
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_RUNTIME=600 -e MAXIMUM_LATENCY=20 registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 /usr/bin/test-run.sh --ginkgo.v --ginkgo.timeout="24h"
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_RUNTIME=600 -e MAXIMUM_LATENCY=20 registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 /usr/bin/test-run.sh --ginkgo.focus="hwlatdetect" --ginkgo.v --ginkgo.timeout="24h"
running /usr/bin/cnftests -ginkgo.v -ginkgo.focus=hwlatdetect I0908 15:25:20.023712 27 request.go:601] Waited for 1.046586367s due to client-side throttling, not priority and fairness, request: GET:https://api.hlxcl6.lab.eng.tlv2.redhat.com:6443/apis/imageregistry.operator.openshift.io/v1?timeout=32s Running Suite: CNF Features e2e integration tests ================================================= Random Seed: 1662650718 Will run 1 of 3 specs [...] • Failure [283.574 seconds] [performance] Latency Test /remote-source/app/vendor/github.com/openshift/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/4_latency/latency.go:62 with the hwlatdetect image /remote-source/app/vendor/github.com/openshift/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/4_latency/latency.go:228 should succeed [It] /remote-source/app/vendor/github.com/openshift/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/4_latency/latency.go:236 Log file created at: 2022/09/08 15:25:27 Running on machine: hwlatdetect-b6n4n Binary: Built with gc go1.17.12 for linux/amd64 Log line format: [IWEF]mmdd hh:mm:ss.uuuuuu threadid file:line] msg I0908 15:25:27.160620 1 node.go:39] Environment information: /proc/cmdline: BOOT_IMAGE=(hd1,gpt3)/ostree/rhcos-c6491e1eedf6c1f12ef7b95e14ee720bf48359750ac900b7863c625769ef5fb9/vmlinuz-4.18.0-372.19.1.el8_6.x86_64 random.trust_cpu=on console=tty0 console=ttyS0,115200n8 ignition.platform.id=metal ostree=/ostree/boot.1/rhcos/c6491e1eedf6c1f12ef7b95e14ee720bf48359750ac900b7863c625769ef5fb9/0 ip=dhcp root=UUID=5f80c283-f6e6-4a27-9b47-a287157483b2 rw rootflags=prjquota boot=UUID=773bf59a-bafd-48fc-9a87-f62252d739d3 skew_tick=1 nohz=on rcu_nocbs=0-3 tuned.non_isolcpus=0000ffff,ffffffff,fffffff0 systemd.cpu_affinity=4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79 intel_iommu=on iommu=pt isolcpus=managed_irq,0-3 nohz_full=0-3 tsc=nowatchdog nosoftlockup nmi_watchdog=0 mce=off skew_tick=1 rcutree.kthread_prio=11 + + I0908 15:25:27.160830 1 node.go:46] Environment information: kernel version 4.18.0-372.19.1.el8_6.x86_64 I0908 15:25:27.160857 1 main.go:50] running the hwlatdetect command with arguments [/usr/bin/hwlatdetect --threshold 1 --hardlimit 1 --duration 100 --window 10000000us --width 950000us] F0908 15:27:10.603523 1 main.go:53] failed to run hwlatdetect command; out: hwlatdetect: test duration 100 seconds detector: tracer parameters: Latency threshold: 1us 1 Sample window: 10000000us Sample width: 950000us Non-sampling period: 9050000us Output File: None Starting test test finished Max Latency: 326us 2 Samples recorded: 5 Samples exceeding threshold: 5 ts: 1662650739.017274507, inner:6, outer:6 ts: 1662650749.257272414, inner:14, outer:326 ts: 1662650779.977272835, inner:314, outer:12 ts: 1662650800.457272384, inner:3, outer:9 ts: 1662650810.697273520, inner:3, outer:2 [...] JUnit report was created: /junit.xml/cnftests-junit.xml Summarizing 1 Failure: [Fail] [performance] Latency Test with the hwlatdetect image [It] should succeed /remote-source/app/vendor/github.com/openshift/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/4_latency/latency.go:476 Ran 1 of 194 Specs in 365.797 seconds FAIL! -- 0 Passed | 1 Failed | 0 Pending | 2 Skipped --- FAIL: TestTest (366.08s) FAIL
hwlatdetect: test duration 3600 seconds detector: tracer parameters: Latency threshold: 10us Sample window: 1000000us Sample width: 950000us Non-sampling period: 50000us Output File: None Starting test test finished Max Latency: Below threshold Samples recorded: 0
hwlatdetect: test duration 3600 seconds detector: tracer parameters:Latency threshold: 10usSample window: 1000000us Sample width: 950000usNon-sampling period: 50000usOutput File: None Starting tests:1610542421.275784439, inner:78, outer:81 ts: 1610542444.330561619, inner:27, outer:28 ts: 1610542445.332549975, inner:39, outer:38 ts: 1610542541.568546097, inner:47, outer:32 ts: 1610542590.681548531, inner:13, outer:17 ts: 1610543033.818801482, inner:29, outer:30 ts: 1610543080.938801990, inner:90, outer:76 ts: 1610543129.065549639, inner:28, outer:39 ts: 1610543474.859552115, inner:28, outer:35 ts: 1610543523.973856571, inner:52, outer:49 ts: 1610543572.089799738, inner:27, outer:30 ts: 1610543573.091550771, inner:34, outer:28 ts: 1610543574.093555202, inner:116, outer:63
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_CPUS=10 -e LATENCY_TEST_RUNTIME=600 -e MAXIMUM_LATENCY=20 registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 /usr/bin/test-run.sh --ginkgo.focus="cyclictest" --ginkgo.v --ginkgo.timeout="24h"
running /usr/bin/cnftests -ginkgo.v -ginkgo.focus=cyclictest I0908 13:01:59.193776 27 request.go:601] Waited for 1.046228824s due to client-side throttling, not priority and fairness, request: GET:https://api.compute-1.example.com:6443/apis/packages.operators.coreos.com/v1?timeout=32s Running Suite: CNF Features e2e integration tests ================================================= Random Seed: 1662642118 Will run 1 of 3 specs [...] Summarizing 1 Failure: [Fail] [performance] Latency Test with the cyclictest image [It] should succeed /remote-source/app/vendor/github.com/openshift/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/4_latency/latency.go:220 Ran 1 of 194 Specs in 161.151 seconds FAIL! -- 0 Passed | 1 Failed | 0 Pending | 2 Skipped --- FAIL: TestTest (161.48s) FAIL
running cmd: cyclictest -q -D 10m -p 1 -t 16 -a 2,4,6,8,10,12,14,16,54,56,58,60,62,64,66,68 -h 30 -i 1000 -m Histogram 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000001 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000002 579506 535967 418614 573648 532870 529897 489306 558076 582350 585188 583793 223781 532480 569130 472250 576043 More histogram entries Total: 000600000 000600000 000600000 000599999 000599999 000599999 000599998 000599998 000599998 000599997 000599997 000599996 000599996 000599995 000599995 000599995 Min Latencies: 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 Avg Latencies: 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 Max Latencies: 00005 00005 00004 00005 00004 00004 00005 00005 00006 00005 00004 00005 00004 00004 00005 00004 Histogram Overflows: 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 00000 Histogram Overflow at cycle number: Thread 0: Thread 1: Thread 2: Thread 3: Thread 4: Thread 5: Thread 6: Thread 7: Thread 8: Thread 9: Thread 10: Thread 11: Thread 12: Thread 13: Thread 14: Thread 15:
running cmd: cyclictest -q -D 10m -p 1 -t 16 -a 2,4,6,8,10,12,14,16,54,56,58,60,62,64,66,68 -h 30 -i 1000 -m Histogram 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000001 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000000 000002 564632 579686 354911 563036 492543 521983 515884 378266 592621 463547 482764 591976 590409 588145 589556 353518 More histogram entries Total: 000599999 000599999 000599999 000599997 000599997 000599998 000599998 000599997 000599997 000599996 000599995 000599996 000599995 000599995 000599995 000599993 Min Latencies: 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 Avg Latencies: 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 00002 Max Latencies: 00493 00387 00271 00619 00541 00513 00009 00389 00252 00215 00539 00498 00363 00204 00068 00520 Histogram Overflows: 00001 00001 00001 00002 00002 00001 00000 00001 00001 00001 00002 00001 00001 00001 00001 00002 Histogram Overflow at cycle number: Thread 0: 155922 Thread 1: 110064 Thread 2: 110064 Thread 3: 110063 155921 Thread 4: 110063 155921 Thread 5: 155920 Thread 6: Thread 7: 110062 Thread 8: 110062 Thread 9: 155919 Thread 10: 110061 155919 Thread 11: 155918 Thread 12: 155918 Thread 13: 110060 Thread 14: 110060 Thread 15: 110059 155917
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_CPUS=10 -e LATENCY_TEST_RUNTIME=600 -e MAXIMUM_LATENCY=20 registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 /usr/bin/test-run.sh --ginkgo.focus="oslat" --ginkgo.v --ginkgo.timeout="24h"
running /usr/bin/cnftests -ginkgo.v -ginkgo.focus=oslat I0908 12:51:55.999393 27 request.go:601] Waited for 1.044848101s due to client-side throttling, not priority and fairness, request: GET:https://compute-1.example.com:6443/apis/machineconfiguration.openshift.io/v1?timeout=32s Running Suite: CNF Features e2e integration tests ================================================= Random Seed: 1662641514 Will run 1 of 3 specs [...] • Failure [77.833 seconds] [performance] Latency Test /remote-source/app/vendor/github.com/openshift/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/4_latency/latency.go:62 with the oslat image /remote-source/app/vendor/github.com/openshift/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/4_latency/latency.go:128 should succeed [It] /remote-source/app/vendor/github.com/openshift/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/4_latency/latency.go:153 The current latency 304 is bigger than the expected one 1 : 1 [...] Summarizing 1 Failure: [Fail] [performance] Latency Test with the oslat image [It] should succeed /remote-source/app/vendor/github.com/openshift/cluster-node-tuning-operator/test/e2e/performanceprofile/functests/4_latency/latency.go:177 Ran 1 of 194 Specs in 161.091 seconds FAIL! -- 0 Passed | 1 Failed | 0 Pending | 2 Skipped --- FAIL: TestTest (161.42s) FAIL
podman run -v USD(pwd)/:/kubeconfig:Z -v USD(pwd)/reportdest:<report_folder_path> -e KUBECONFIG=/kubeconfig/kubeconfig registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 /usr/bin/test-run.sh --report <report_folder_path> --ginkgo.v
podman run -v USD(pwd)/:/kubeconfig:Z -v USD(pwd)/junit:/junit -e KUBECONFIG=/kubeconfig/kubeconfig registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 /usr/bin/test-run.sh --ginkgo.junit-report junit/<file-name>.xml --ginkgo.v
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_RUNTIME=<time_in_seconds> registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 /usr/bin/test-run.sh --ginkgo.v --ginkgo.timeout="24h"
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 /usr/bin/mirror -registry <disconnected_registry> | oc image mirror -f -
run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig -e IMAGE_REGISTRY="<disconnected_registry>" -e CNF_TESTS_IMAGE="cnf-tests-rhel8:v4.18" -e LATENCY_TEST_RUNTIME=<time_in_seconds> <disconnected_registry>/cnf-tests-rhel8:v4.18 /usr/bin/test-run.sh --ginkgo.v --ginkgo.timeout="24h"
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig -e IMAGE_REGISTRY="<custom_image_registry>" -e CNF_TESTS_IMAGE="<custom_cnf-tests_image>" -e LATENCY_TEST_RUNTIME=<time_in_seconds> registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 /usr/bin/test-run.sh --ginkgo.v --ginkgo.timeout="24h"
oc patch configs.imageregistry.operator.openshift.io/cluster --patch '{"spec":{"defaultRoute":true}}' --type=merge
REGISTRY=USD(oc get route default-route -n openshift-image-registry --template='{{ .spec.host }}')
oc create ns cnftests
oc policy add-role-to-user system:image-puller system:serviceaccount:cnf-features-testing:default --namespace=cnftests
oc policy add-role-to-user system:image-puller system:serviceaccount:performance-addon-operators-testing:default --namespace=cnftests
SECRET=USD(oc -n cnftests get secret | grep builder-docker | awk {'print USD1'}
TOKEN=USD(oc -n cnftests get secret USDSECRET -o jsonpath="{.data['\.dockercfg']}" | base64 --decode | jq '.["image-registry.openshift-image-registry.svc:5000"].auth')
echo "{\"auths\": { \"USDREGISTRY\": { \"auth\": USDTOKEN } }}" > dockerauth.json
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig registry.redhat.io/openshift4/cnf-tests-rhel8:4.18 /usr/bin/mirror -registry USDREGISTRY/cnftests | oc image mirror --insecure=true -a=USD(pwd)/dockerauth.json -f -
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_RUNTIME=<time_in_seconds> -e IMAGE_REGISTRY=image-registry.openshift-image-registry.svc:5000/cnftests cnf-tests-local:latest /usr/bin/test-run.sh --ginkgo.v --ginkgo.timeout="24h"
registry: public.registry.io:5000
image: imageforcnftests:4.18
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 /usr/bin/mirror --registry "my.local.registry:5000/" --images "/kubeconfig/images.json" | oc image mirror -f -
podman run -v USD(pwd)/:/kubeconfig:Z -e KUBECONFIG=/kubeconfig/kubeconfig registry.redhat.io/openshift4/cnf-tests-rhel8:v4.18 get nodes
openshift-install create manifests --dir=<cluster-install-dir>
vi <cluster-install-dir>/manifests/config-node-default-profile.yaml
apiVersion: config.openshift.io/v1 kind: Node metadata: name: cluster spec: workerLatencyProfile: "Default"
oc edit nodes.config/cluster
apiVersion: config.openshift.io/v1 kind: Node metadata: annotations: include.release.openshift.io/ibm-cloud-managed: "true" include.release.openshift.io/self-managed-high-availability: "true" include.release.openshift.io/single-node-developer: "true" release.openshift.io/create-only: "true" creationTimestamp: "2022-07-08T16:02:51Z" generation: 1 name: cluster ownerReferences: - apiVersion: config.openshift.io/v1 kind: ClusterVersion name: version uid: 36282574-bf9f-409e-a6cd-3032939293eb resourceVersion: "1865" uid: 0c0f7a4c-4307-4187-b591-6155695ac85b spec: workerLatencyProfile: MediumUpdateAverageReaction 1
oc edit nodes.config/cluster
apiVersion: config.openshift.io/v1 kind: Node metadata: annotations: include.release.openshift.io/ibm-cloud-managed: "true" include.release.openshift.io/self-managed-high-availability: "true" include.release.openshift.io/single-node-developer: "true" release.openshift.io/create-only: "true" creationTimestamp: "2022-07-08T16:02:51Z" generation: 1 name: cluster ownerReferences: - apiVersion: config.openshift.io/v1 kind: ClusterVersion name: version uid: 36282574-bf9f-409e-a6cd-3032939293eb resourceVersion: "1865" uid: 0c0f7a4c-4307-4187-b591-6155695ac85b spec: workerLatencyProfile: LowUpdateSlowReaction 1
oc get KubeControllerManager -o yaml | grep -i workerlatency -A 5 -B 5
- lastTransitionTime: "2022-07-11T19:47:10Z" reason: ProfileUpdated status: "False" type: WorkerLatencyProfileProgressing - lastTransitionTime: "2022-07-11T19:47:10Z" 1 message: all static pod revision(s) have updated latency profile reason: ProfileUpdated status: "True" type: WorkerLatencyProfileComplete - lastTransitionTime: "2022-07-11T19:20:11Z" reason: AsExpected status: "False" type: WorkerLatencyProfileDegraded - lastTransitionTime: "2022-07-11T19:20:36Z" status: "False"
oc get KubeAPIServer -o yaml | grep -A 1 default-
default-not-ready-toleration-seconds: - "300" default-unreachable-toleration-seconds: - "300"
oc get KubeControllerManager -o yaml | grep -A 1 node-monitor
node-monitor-grace-period: - 40s
oc debug node/<worker-node-name> chroot /host cat /etc/kubernetes/kubelet.conf|grep nodeStatusUpdateFrequency
"nodeStatusUpdateFrequency": "10s"
apiVersion: v1 baseDomain: devcluster.openshift.com cpuPartitioningMode: AllNodes 1 compute: - architecture: amd64 hyperthreading: Enabled name: worker platform: {} replicas: 3 controlPlane: architecture: amd64 hyperthreading: Enabled name: master platform: {} replicas: 3
apiVersion: performance.openshift.io/v2 kind: PerformanceProfile metadata: # if you change this name make sure the 'include' line in TunedPerformancePatch.yaml # matches this name: include=openshift-node-performance-USD{PerformanceProfile.metadata.name} # Also in file 'validatorCRs/informDuValidator.yaml': # name: 50-performance-USD{PerformanceProfile.metadata.name} name: openshift-node-performance-profile annotations: ran.openshift.io/reference-configuration: "ran-du.redhat.com" spec: additionalKernelArgs: - "rcupdate.rcu_normal_after_boot=0" - "efi=runtime" - "vfio_pci.enable_sriov=1" - "vfio_pci.disable_idle_d3=1" - "module_blacklist=irdma" cpu: isolated: USDisolated reserved: USDreserved hugepages: defaultHugepagesSize: USDdefaultHugepagesSize pages: - size: USDsize count: USDcount node: USDnode machineConfigPoolSelector: pools.operator.machineconfiguration.openshift.io/USDmcp: "" nodeSelector: node-role.kubernetes.io/USDmcp: '' numa: topologyPolicy: "restricted" # To use the standard (non-realtime) kernel, set enabled to false realTimeKernel: enabled: true workloadHints: # WorkloadHints defines the set of upper level flags for different type of workloads. # See https://github.com/openshift/cluster-node-tuning-operator/blob/master/docs/performanceprofile/performance_profile.md#workloadhints # for detailed descriptions of each item. # The configuration below is set for a low latency, performance mode. realTime: true highPowerConsumption: false perPodPowerManagement: false
oc get packagemanifests -n openshift-marketplace node-observability-operator
NAME CATALOG AGE node-observability-operator Red Hat Operators 9h
oc new-project node-observability-operator
cat <<EOF | oc apply -f - apiVersion: operators.coreos.com/v1 kind: OperatorGroup metadata: name: node-observability-operator namespace: node-observability-operator spec: targetNamespaces: [] EOF
cat <<EOF | oc apply -f - apiVersion: operators.coreos.com/v1alpha1 kind: Subscription metadata: name: node-observability-operator namespace: node-observability-operator spec: channel: alpha name: node-observability-operator source: redhat-operators sourceNamespace: openshift-marketplace EOF
oc -n node-observability-operator get sub node-observability-operator -o yaml | yq '.status.installplan.name'
install-dt54w
oc -n node-observability-operator get ip <install_plan_name> -o yaml | yq '.status.phase'
COMPLETE
oc get deploy -n node-observability-operator
NAME READY UP-TO-DATE AVAILABLE AGE node-observability-operator-controller-manager 1/1 1 1 40h
oc login -u kubeadmin https://<HOSTNAME>:6443
oc project node-observability-operator
apiVersion: nodeobservability.olm.openshift.io/v1alpha2 kind: NodeObservability metadata: name: cluster 1 spec: nodeSelector: kubernetes.io/hostname: <node_hostname> 2 type: crio-kubelet
apply -f nodeobservability.yaml
nodeobservability.olm.openshift.io/cluster created
oc get nob/cluster -o yaml | yq '.status.conditions'
conditions: conditions: - lastTransitionTime: "2022-07-05T07:33:54Z" message: 'DaemonSet node-observability-ds ready: true NodeObservabilityMachineConfig ready: true' reason: Ready status: "True" type: Ready
apiVersion: nodeobservability.olm.openshift.io/v1alpha2 kind: NodeObservabilityRun metadata: name: nodeobservabilityrun spec: nodeObservabilityRef: name: cluster
oc apply -f nodeobservabilityrun.yaml
oc get nodeobservabilityrun nodeobservabilityrun -o yaml | yq '.status.conditions'
conditions: - lastTransitionTime: "2022-07-07T14:57:34Z" message: Ready to start profiling reason: Ready status: "True" type: Ready - lastTransitionTime: "2022-07-07T14:58:10Z" message: Profiling query done reason: Finished status: "True" type: Finished
for a in USD(oc get nodeobservabilityrun nodeobservabilityrun -o yaml | yq .status.agents[].name); do echo "agent USD{a}" mkdir -p "/tmp/USD{a}" for p in USD(oc exec "USD{a}" -c node-observability-agent -- bash -c "ls /run/node-observability/*.pprof"); do f="USD(basename USD{p})" echo "copying USD{f} to /tmp/USD{a}/USD{f}" oc exec "USD{a}" -c node-observability-agent -- cat "USD{p}" > "/tmp/USD{a}/USD{f}" done done
oc login -u kubeadmin https://<host_name>:6443
oc project node-observability-operator
apiVersion: nodeobservability.olm.openshift.io/v1alpha2 kind: NodeObservability metadata: name: cluster 1 spec: nodeSelector: kubernetes.io/hostname: <node_hostname> 2 type: scripting 3
oc apply -f nodeobservability.yaml
nodeobservability.olm.openshift.io/cluster created
oc get nob/cluster -o yaml | yq '.status.conditions'
conditions: conditions: - lastTransitionTime: "2022-07-05T07:33:54Z" message: 'DaemonSet node-observability-ds ready: true NodeObservabilityScripting ready: true' reason: Ready status: "True" type: Ready
apiVersion: nodeobservability.olm.openshift.io/v1alpha2 kind: NodeObservabilityRun metadata: name: nodeobservabilityrun-script namespace: node-observability-operator spec: nodeObservabilityRef: name: cluster type: scripting
oc apply -f nodeobservabilityrun-script.yaml
oc get nodeobservabilityrun nodeobservabilityrun-script -o yaml | yq '.status.conditions'
Status: Agents: Ip: 10.128.2.252 Name: node-observability-agent-n2fpm Port: 8443 Ip: 10.131.0.186 Name: node-observability-agent-wcc8p Port: 8443 Conditions: Conditions: Last Transition Time: 2023-12-19T15:10:51Z Message: Ready to start profiling Reason: Ready Status: True Type: Ready Last Transition Time: 2023-12-19T15:11:01Z Message: Profiling query done Reason: Finished Status: True Type: Finished Finished Timestamp: 2023-12-19T15:11:01Z Start Timestamp: 2023-12-19T15:10:51Z
#!/bin/bash RUN=USD(oc get nodeobservabilityrun --no-headers | awk '{print USD1}') for a in USD(oc get nodeobservabilityruns.nodeobservability.olm.openshift.io/USD{RUN} -o json | jq .status.agents[].name); do echo "agent USD{a}" agent=USD(echo USD{a} | tr -d "\"\'\`") base_dir=USD(oc exec "USD{agent}" -c node-observability-agent -- bash -c "ls -t | grep node-observability-agent" | head -1) echo "USD{base_dir}" mkdir -p "/tmp/USD{agent}" for p in USD(oc exec "USD{agent}" -c node-observability-agent -- bash -c "ls USD{base_dir}"); do f="/USD{base_dir}/USD{p}" echo "copying USD{f} to /tmp/USD{agent}/USD{p}" oc exec "USD{agent}" -c node-observability-agent -- cat USD{f} > "/tmp/USD{agent}/USD{p}" done done