Determining how much to overcommit vcpu and memory??

REIUSA used Ask the Experts™
What do you find is a good number to look for in vcpu:cpu and vram:ram ratios? Or is it more determined by what kind of demand there is with the current ratios?

Trying to find some guide lines of best practices to follow for determining when you are getting over allocated on CPU and RAM.

Also what VM:host ratio do you find is a good number?
Watch Question

Do more with

Expert Office
EXPERT OFFICE® is a registered trademark of EXPERTS EXCHANGE®
VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017
It is based on workload and demand, actively monitoring your hardware, using reports, Capacity Monitoring and What If Reports.

Over many years, We work on 5-6 vCPU per core, and 8GB per Core in the host,
Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013
As far as I know, this is still a serious potential problem -

Bottom line, DON'T over-commit CPU.  I start with 2 vCPU and increase only if necessary.

Do more with

Expert Office
Submit tech questions to Ask the Experts™ at any time to receive solutions, advice, and new ideas from leading industry professionals.

Start 7-Day Free Trial