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Network Functions Virtualization Planning and Configuration Guide
9.3.2.2. 配置 OVS-DPDK 参数

9.3.2.2. 配置 OVS-DPDK 参数

重要

尝试在没有适当值的情况下部署 Data Plane Development Kit (DPDK)会导致部署失败，或导致部署不稳定。您必须确定 network-environment.yaml 文件中设定的 OVS-DPDK 参数的最佳值，以优化 OVS-DPDK 的 OpenStack 网络。详情请查看第 8.1 节 “使用工作流推断 DPDK 参数”。

为您在 resource_registry 下使用的 OVS-DPDK 角色添加 nic 配置：

resource_registry:
  # Specify the relative/absolute path to the config files you want to use for override the default.
  OS::TripleO::ComputeOvsDpdkRT::Net::SoftwareConfig: nic-configs/compute-ovs-dpdk.yaml
  OS::TripleO::Controller::Net::SoftwareConfig: nic-configs/controller.yaml

resource_registry:
  # Specify the relative/absolute path to the config files you want to use for override the default.
  OS::TripleO::ComputeOvsDpdkRT::Net::SoftwareConfig: nic-configs/compute-ovs-dpdk.yaml
  OS::TripleO::Controller::Net::SoftwareConfig: nic-configs/controller.yaml

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在 parameter_defaults 下，设置 OVS-DPDK 和 RT-KVM 参数：

  # DPDK compute node.
  ComputeOvsDpdkRTParameters:
    KernelArgs: "default_hugepagesz=1GB hugepagesz=1G hugepages=32 iommu=pt intel_iommu=on isolcpus=1-7,17-23,9-15,25-31"
    TunedProfileName: "realtime-virtual-host"
    IsolCpusList: "1-7,17-23,9-15,25-31"
    NovaVcpuPinSet: ['2-7,18-23,10-15,26-31']
    NovaReservedHostMemory: 4096
    OvsDpdkSocketMemory: "1024,1024"
    OvsDpdkMemoryChannels: "4"
    OvsDpdkCoreList: "0,16,8,24"
    OvsPmdCoreList: "1,17,9,25"
    VhostuserSocketGroup: "hugetlbfs"
  ComputeOvsDpdkRTImage: "overcloud-realtime-compute"

  # DPDK compute node.
  ComputeOvsDpdkRTParameters:
    KernelArgs: "default_hugepagesz=1GB hugepagesz=1G hugepages=32 iommu=pt intel_iommu=on isolcpus=1-7,17-23,9-15,25-31"
    TunedProfileName: "realtime-virtual-host"
    IsolCpusList: "1-7,17-23,9-15,25-31"
    NovaVcpuPinSet: ['2-7,18-23,10-15,26-31']
    NovaReservedHostMemory: 4096
    OvsDpdkSocketMemory: "1024,1024"
    OvsDpdkMemoryChannels: "4"
    OvsDpdkCoreList: "0,16,8,24"
    OvsPmdCoreList: "1,17,9,25"
    VhostuserSocketGroup: "hugetlbfs"
  ComputeOvsDpdkRTImage: "overcloud-realtime-compute"

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9.3.2.2. 配置 OVS-DPDK 参数

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