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Changes for Martin Martin's 3rd review comments Martin's 4th review Final comments from Martin More updates for Martin Tweaks for Martin Martin's comments 22-Apr - workload pods Apr 30 review comments final review comments Michael's comments
48 lines
1.4 KiB
Plaintext
48 lines
1.4 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * scalability_and_performance/low_latency_tuning/cnf-tuning-low-latency-nodes-with-perf-profile.adoc
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:_mod-docs-content-type: REFERENCE
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[id="installation-openstack-ovs-dpdk-performance-profile_{context}"]
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= Performance profile template for clusters that use OVS-DPDK on OpenStack
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To maximize machine performance in a cluster that uses Open vSwitch with the Data Plane Development Kit (OVS-DPDK) on {rh-openstack-first}, you can use a performance profile.
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You can use the following performance profile template to create a profile for your deployment.
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.Performance profile template for clusters that use OVS-DPDK
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[source,yaml]
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----
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apiVersion: performance.openshift.io/v2
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kind: PerformanceProfile
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metadata:
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name: cnf-performanceprofile
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spec:
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additionalKernelArgs:
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- nmi_watchdog=0
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- audit=0
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- mce=off
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- processor.max_cstate=1
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- idle=poll
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- intel_idle.max_cstate=0
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- default_hugepagesz=1GB
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- hugepagesz=1G
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- intel_iommu=on
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cpu:
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isolated: <CPU_ISOLATED>
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reserved: <CPU_RESERVED>
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hugepages:
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defaultHugepagesSize: 1G
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pages:
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- count: <HUGEPAGES_COUNT>
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node: 0
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size: 1G
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nodeSelector:
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node-role.kubernetes.io/worker: ''
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realTimeKernel:
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enabled: false
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globallyDisableIrqLoadBalancing: true
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----
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Insert values that are appropriate for your configuration for the `CPU_ISOLATED`, `CPU_RESERVED`, and `HUGEPAGES_COUNT` keys.
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