Re: XenServer Licensing Change - Switch Hypervisors?

2018-01-08 Thread Pierre-Luc Dion
Hi Dingo, That's an interesting answer to recent citrix licensing change for xenserver, I'll definitely keep an eye on this project! thanks! *Pierre-Luc DION* Architecte de Solution Cloud | Cloud Solutions Architect t 855.652.5683 *CloudOps* Votre partenaire infonuagique* | *Cloud Solutions Ex

Re: Performance considerations related to Intel Meltdown on KVM CPU types

2018-01-08 Thread ilya musayev
Thanks for sharing On Mon, Jan 8, 2018 at 7:11 AM Nux! wrote: > Hello, > > Just stumbled upon this > https://twitter.com/berrange/status/950209752486817792 > > "ensure KVM guest CPU model you choose has the "pcid" feature, otherwise > guests will suffer terrible performance from the Meltdown fix

Re: Performance considerations related to Intel Meltdown on KVM CPU types

2018-01-08 Thread Pierre-Luc Dion
Thanks for sharing this Nux! PL On Mon, Jan 8, 2018 at 10:11 AM, Nux! wrote: > Hello, > > Just stumbled upon this > https://twitter.com/berrange/status/950209752486817792 > > "ensure KVM guest CPU model you choose has the "pcid" feature, otherwise > guests will suffer terrible performance from

Re: XenServer Licensing Change - Switch Hypervisors?

2018-01-08 Thread Nux!
Good luck, Sean. It should be doable. If you're buying new Intel hardware, make sure it supports the invpcid cpu flag, or buy AMD Epyc. See my other recent email on the list about performance implications of Meltdown. -- Sent from the Delta quadrant using Borg technology! Nux! www.nux.ro -

Performance considerations related to Intel Meltdown on KVM CPU types

2018-01-08 Thread Nux!
Hello, Just stumbled upon this https://twitter.com/berrange/status/950209752486817792 "ensure KVM guest CPU model you choose has the "pcid" feature, otherwise guests will suffer terrible performance from the Meltdown fixes. This means using a named Haswell, Broadwell or Skylake based model or h

Support MHz resource limit and accounting for VM instances for accounts and domains

2018-01-08 Thread Ivan Kudryavtsev
Hello, community. We are going to implement the feature which enables limiting accounts and domains for cumulative MHz available. Thus creating VMs will take that limit into account calculating VM MHz as core_count * core_frequency. May be some other people wanted a feature like that or have consi