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Member "nova-19.0.1/releasenotes/notes/1516578-628b417b372f4f0f.yaml" (6 Jun 2019, 628 Bytes) of package /linux/misc/openstack/nova-19.0.1.tar.gz:
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3 - |
4 Enables NUMA topology reporting on PowerPC architecture
5 from the libvirt driver in Nova but with a caveat as mentioned below.
6 NUMA cell affinity and dedicated cpu pinning
7 code assumes that the host operating system is exposed to threads.
8 PowerPC based hosts use core based scheduling for processes.
9 Due to this, the cores on the PowerPC architecture are treated as
10 threads. Since cores are always less than or equal
11 to the threads on a system, this leads to non-optimal resource usage
12 while pinning. This feature is supported from libvirt version 1.2.19
13 for PowerPC.