Enable Multiqueue¶

The MCP Multiqueue enables the scaling of packet sending/receiving processing to the number of available vCPUs of a guest by using multiple queues. The feature includes:

• Multiqueue for DPDK-based vrouters

  Is supported by OpenVSwitch only. Underlay configuration for OVS is a part of DPDK interfaces and is defined by the n_rxq parameter. For example:

  ...
  - system.neutron.compute.nfv.dpdk
  ...
  parameters:
    linux:
      network:
       interfaces:
          ...
          # other interface setup
          …
         dpdk0:
            name: ${_param:dpdk0_name}
            pci: ${_param:dpdk0_pci}
            driver: igb_uio
            bond: dpdkbond1
            enabled: true
            type: dpdk_ovs_port
            n_rxq: 2
          dpdk1:
            name: ${_param:dpdk1_name}
            pci: ${_param:dpdk1_pci}
            driver: igb_uio
            bond: dpdkbond1
            enabled: true
            type: dpdk_ovs_port
            n_rxq: 2
  

• Multiqueue Virtio

  Is supported by OpenContrail and OVS