[GitHub] [cloudstack] nathanejohnson edited a comment on issue #3986: Change listVpcOfferings endpoint and createVpcOffering endpoint

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nathanejohnson edited a comment on issue #3986: Change listVpcOfferings endpoint and createVpcOffering endpoint
URL: https://github.com/apache/cloudstack/pull/3986#issuecomment-606331193
 
 
   This isn't host specific, in this case "hypervisor specific" implies that for kvm these knobs are part of the domain xml and kvm itself implements the throttling  The other options is to use some external managed storage provider - like solidfire.  I do think in a perfect world these would have been implemented in such a way that it would be easy to override on a per-VM basis, such as with "custom", but that's now how it's done today, and it wouldn't be the easiest lift in the world to do it either.  This isn't to say I'm against the implementation.   But the libvirt IO throttling functionality has worked basically the same way for quite some time now with the exception to a few additional tunables we added over the past year or so.  At present, the only way to change these limits are to dip to the database, or to use a patched update service offering call.

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