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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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    1 ---
    2 features:
    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.