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OPENSTACK® AGILITY. RED HAT® RELIABILITY.

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$ yum install -y kernel-rt.x86_64 kernel-rt-kvm.x86_64 $ yum install -y tuned-profiles-realtime tuned-profiles-nfv # configure tuned profile, hugepages, nova $ tuned-adm profile realtime-virtual-host $ cat /etc/default/grub | grep default_hugepagesz GRUB_CMDLINE_LINUX+="default_hugepagesz=1G" $ cat /etc/nova/nova-cpu.conf | grep vcpu_pin_set vcpu_pin_set =

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$ yum install -y kernel-rt.x86_64 $ yum install -y tuned-profiles-realtime tuned-profiles-nfv # configure tuned profile $ tuned-adm profile realtime-virtual-guest # configure huge pages $ cat /etc/default/grub | grep default_hugepagesz GRUB_CMDLINE_LINUX+="default_hugepagesz=1G"

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$ openstack flavor create --vcpus 4 --ram 4096 --disk 20 rt1.small $ openstack flavor set rt1.small \ --property 'hw:cpu_policy=dedicated' \ --property 'hw:cpu_realtime=yes' \ --property 'hw:cpu_realtime_mask=^0-1' \ --property 'hw:mem_page_size=1GB'

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$ openstack flavor create --vcpus 4 --ram 4096 --disk 20 rt1.small $ openstack flavor set rt1.small \ --property 'hw:cpu_policy=dedicated' \ --property 'hw:cpu_realtime=yes' \ --property 'hw:cpu_realtime_mask=^0-1' \ --property 'hw:mem_page_size=1GB'

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$ openstack flavor create --vcpus 4 --ram 4096 --disk 20 rt1.small $ openstack flavor set rt1.small \ --property 'hw:cpu_policy=dedicated' \ --property 'hw:cpu_realtime=yes' \ --property 'hw:cpu_realtime_mask=^0-1' \ --property 'hw:mem_page_size=1GB'

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$ openstack flavor create --vcpus 4 --ram 4096 --disk 20 rt1.small $ openstack flavor set rt1.small \ --property 'hw:cpu_policy=dedicated' \ --property 'hw:cpu_realtime=yes' \ --property 'hw:cpu_realtime_mask=^0-1' \ --property 'hw:mem_page_size=1GB'

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$ openstack flavor create --vcpus 4 --ram 4096 --disk 20 rt1.small $ openstack flavor set rt1.small \ --property 'hw:cpu_policy=dedicated' \ --property 'hw:cpu_realtime=yes' \ --property 'hw:cpu_realtime_mask=^0-1' \ --property 'hw:mem_page_size=1GB'

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$ openstack server create --flavor rt1.small --image centos-rt

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$ openstack server create --flavor rt1.small --image centos-rt # ssh into guest $ taskset -c 2 stress --cpu 4 & $ sudo taskset -c 2 cyclictest -m -n -q -p95 -D 24h -h100 -i 200 \ > cyclictest.out $ cat cyclictest.out | tail -7 | head -3 # Min Latencies: 00006 # Avg Latencies: 00007 # Max Latencies: 00020

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