Josh Thompson created VCL-1104:
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Summary: set cpu topology for libvirt VMs
Key: VCL-1104
URL: https://issues.apache.org/jira/browse/VCL-1104
Project: VCL
Issue Type: Improvement
Components: vcld (backend)
Reporter: Josh Thompson
Fix For: 2.5.1
Many (all?) versions of Windows only support a maximum of 2 cpu sockets but can
have many cores per socket. libvirt presents vcpus as single core cpu sockets
by default. This results in Windows reservations on KVM hosts only seeing 2
cpus even if more are assigned. Setting the topology in the cpu section of the
xml such that there are 2 sockets with the number of cores evenly divided
between them allows for all assigned cpus to show up (unless the VM has an odd
number assigned, in which case, it will be one less; the frontend should be
updated to require 1 core or an even number of cores).
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