NFV: I/O (PCIe) Based NUMA Scheduling
The NUMA locality of I/O devices is another important characteristic to consider when configuring a high performance, low latency system for NFV workloads.
This blueprint aims at combining NUMA based PCIe device information with the CPU/NUMA related topology info included in the juno release.
This optimises Openstack guest placement by ensuring that a guest bound to a PCI device is scheduled to run on a NUMA node that is associated with the guests pCPU and memory allocation.
Blueprint information
- Status:
- Complete
- Approver:
- John Garbutt
- Priority:
- Low
- Drafter:
- Adrian Hoban
- Direction:
- Approved
- Assignee:
- James Chapman
- Definition:
- Approved
- Series goal:
- Accepted for kilo
- Implementation:
-
Implemented
- Milestone target:
-
2015.1.0
- Started by
- James Chapman
- Completed by
- James Chapman
Related branches
Related bugs
Sprints
Whiteboard
Gerrit topic: https:/
Addressed by: https:/
I/O (PCIe) based NUMA scheduling
Spec merged, approved blueprint --johnthetubaguy 17th October 2014
Bumping to k-2 -- mikal 9 Dec 2014
Addressed by: https:/
Add numa_node to PCIDevice
Addressed by: https:/
PCI NUMA filtering
Addressed by: https:/
Add PciNumaInfoWeigher
The last patch is optional, previous two patches implement this BP
