Tunables for Dell R630s for use when deploying OVS+DPDK
# OSP 10/11 DPDK Tunables # # R630 NUMA locality - CPUs # node 0 cpus: 0 2 4 6 8 10 12 14 16 18 20 22 # 24 26 28 30 32 34 36 38 40 42 44 46 # # node 1 cpus: 1 3 5 7 9 11 13 15 17 19 21 23 # 25 27 29 31 33 35 37 39 41 43 45 47 # # # R630 NUMA locality - NIC # node 0 dpdk interface - p3p1 # node 1 dpdk interface - p1p1 # # # # NovaVcpuPinSet (OSP 10+) # These are the cores that Nova will use for scheduling instances. Pair sibling threads together. # Using cores from NUMA node 0 only to prevent crossing NUMA boundaries NovaVcpuPinSet: "'4,6,8,10,12,14,16,18,20,22,28,30,32,34,36,38,40,42,44,46'" # # NeutronDpdkCoreList (OSP 10/11) OvsPmdCoreList (OSP 12+) # This parameter configures a list of CPU cores to be used by the OVS-DPDK Poll Mode Drivers # The first core from a CPU, should be reserved for host processes, and should be excluded from this list. NeutronDpdkCoreList: "'2,26,3,27'" # # HostIsolatedCoreList (OSP 10/11) IsolCpusList (OSP 12+) # A set list or range of cores (and their sibling threads) to be appended to the tuned cpu-partitioning profile and isolated from the host. # These cores will be isolated from any host processes # Assuming you want to isolate nova cores from all system processes, NovaVcpuPinSet + NeutronDpdkCoreList = HostIsolatedCoreList HostIsolatedCoreList: "'2,3,4,6,8,10,12,14,16,18,20,22,26,27,28,30,32,34,36,38,40,42,44,46'" # # HostCpusList (OSP 10/11) & OvsDpdkCoreList (OSP 12+) # A list of logical cores used by OVS-DPDK processes for dpdk-lcore-mask for non-datapath operations # These cores must be mutually exclusive from the list of cores in NeutronDpdkCoreList/OvsPmdCoreList and NovaVcpuPinSet. # Allocate the first physical core (and sibling thread) from each NUMA node irrespective of DPDK interface NUMA locality. HostCpusList: "'0,24,1,25'" # # Provide the number of memory channels in the format - [allowed_pattern: "[0-9]+"]: NeutronDpdkMemoryChannels: "4" # # Set the memory allocated for each socket: NeutronDpdkSocketMemory: "'2048,2048'" # # An array of filters used by Nova to filter a node.These filters will be applied in the order they are listed, # so place your most restrictive filters first to make the filtering process more efficient. NovaSchedulerDefaultFilters: "RamFilter,ComputeFilter,AvailabilityZoneFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,PciPassthroughFilter,NUMATopologyFilter" # # Kernel arguments for Compute node ComputeKernelArgs: "default_hugepagesz=1GB hugepagesz=1G hugepages=32 iommu=pt intel_iommu=on"
