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How to calculate MAX number of VM for R3

Publication Date:  2014-01-26 Views:  50 Downloads:  0
Issue Description
How to calculate Max number of VMs in R3 compared to R2 
Alarm Information
None 
Handling Process
In FusionCompute, it is the same as Galax to calculate the maximum number of VMs that can run on a host.
However in FusionCompute, there is neither 100% reserved, 50% reserved nor No reserve. We use GHz or MHz to measure the reserved rate of CUP. It is more flexible than Galax.
e.g.: I have a dual processor host, each processor is 4 cores and 8 threads , the frequency of the processor is 2.40 GHz , so The total amount of CPU resources is 2 * 8 * 2.40GHz.
if you reserved 2.4 GHz or 2.4 * 1024 MHz resources for each VM , you can run 16 VMs the same times on this host. 
Root Cause
Hardware reservation in R2 was 0 , 50% or 100 % , while in R3 it is in MHz , so how to calculate the max number of VMs to be running on a certain host using the new calculations 
Suggestions
None

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