DaanHoogland commented on code in PR #636:
URL:
https://github.com/apache/cloudstack-documentation/pull/636#discussion_r3085166208
##########
source/adminguide/service_offerings.rst:
##########
@@ -249,6 +249,9 @@ To create a new compute offering:
- **CPU cap**: Whether to limit the level of CPU usage even if spare
capacity is available.
+ .. note::
+ On KVM hypervisor, to allow CloudStack to relinquish CPU usage
control entirely, set this option to false and set CPU speed to zero. Note that
Instances with zero CPU speed offerings should not be co-hosted with Instances
using non-zero CPU speed offerings, as the CPU speed value is used as a
relative weight (share) in the ``cputune`` section of the domain XML, and
mixing zero and non-zero values would skew the weighting.
Review Comment:
```suggestion
On KVM hypervisor, to allow CloudStack to relinquish CPU usage
control
entirely, set this option to false and set CPU speed to zero. Note
that Instances
with zero CPU speed offerings should not be co-hosted with
Instances using
non-zero CPU speed offerings, as the CPU speed value is used as a
relative
weight (share) in the ``cputune`` section of the domain XML, and
mixing zero
and non-zero values would skew the weighting.
```
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