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Diffstat (limited to 'environments/neutron-ovs-dpdk.yaml')
| -rw-r--r-- | environments/neutron-ovs-dpdk.yaml | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/environments/neutron-ovs-dpdk.yaml b/environments/neutron-ovs-dpdk.yaml index 6706bccc..ecfd0fea 100644 --- a/environments/neutron-ovs-dpdk.yaml +++ b/environments/neutron-ovs-dpdk.yaml @@ -1,18 +1,31 @@ -## A Heat environment that can be used to deploy DPDK with OVS +# A Heat environment that can be used to deploy DPDK with OVS +# Deploying DPDK requires enabling hugepages for the overcloud nodes resource_registry: OS::TripleO::Services::ComputeNeutronOvsAgent: ../puppet/services/neutron-ovs-dpdk-agent.yaml parameter_defaults: - ## NeutronDpdkCoreList and NeutronDpdkMemoryChannels are REQUIRED settings. - ## Attempting to deploy DPDK without appropriate values will cause deployment to fail or lead to unstable deployments. - #NeutronDpdkCoreList: "" - #NeutronDpdkMemoryChannels: "" - NeutronDatapathType: "netdev" NeutronVhostuserSocketDir: "/var/lib/vhost_sockets" - - #NeutronDpdkSocketMemory: "" - #NeutronDpdkDriverType: "vfio-pci" - #NovaReservedHostMemory: 4096 - #NovaVcpuPinSet: "" - + NovaSchedulerDefaultFilters: "RamFilter,ComputeFilter,AvailabilityZoneFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,NUMATopologyFilter" + ## Deploying DPDK requires enabling hugepages for the overcloud compute nodes. + ## It also requires enabling IOMMU when using the VFIO (vfio-pci) OvsDpdkDriverType. + ## This can be done using ComputeKernelArgs as shown below. + #ComputeParameters: + #ComputeKernelArgs: "intel_iommu=on default_hugepagesz=2MB hugepagesz=2MB hugepages=2048" + ## Attempting to deploy DPDK without appropriate values for the below parameters may lead to unstable deployments + ## due to CPU contention of DPDK PMD threads. + ## It is highly recommended to to enable isolcpus (via ComputeKernelArgs) on compute overcloud nodes and set the following parameters: + #OvsDpdkSocketMemory: "" # Sets the amount of hugepage memory to assign per NUMA node. + # It is recommended to use the socket closest to the PCIe slot used for the + # desired DPDK NIC. Format should be comma separated per socket string such as: + # "<socket 0 mem MB>,<socket 1 mem MB>", for example: "1024,0". + #OvsDpdkDriverType: "vfio-pci" # Ensure the Overcloud NIC to be used for DPDK supports this UIO/PMD driver. + #OvsPmdCoreList: "" # List or range of CPU cores for PMD threads to be pinned to. Note, NIC + # location to cores on socket, number of hyper-threaded logical cores, and + # desired number of PMD threads can all play a role in configuring this setting. + # These cores should be on the same socket where OvsDpdkSocketMemory is assigned. + # If using hyperthreading then specify both logical cores that would equal the + # physical core. Also, specifying more than one core will trigger multiple PMD + # threads to be spawned, which may improve dataplane performance. + #NovaVcpuPinSet: "" # Cores to pin Nova instances to. For maximum performance, select cores + # on the same NUMA node(s) selected for previous settings. |