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I've been searching on Frank Denneman's site, but I don't think the answer is there to this specific question. His quality is second to none, but I don't think it addresses this.
Example of the difference between a general and specific definition of when share values take affect.
1. A General explanation of when resource pool share values take effect:
"Share values take effect When demand exceeds available resources"
[this is general - no metric specified for what data counters are used to calculate "demand", no data counters specified to define how "available resources" are calculated.]
2. A specific explanation of when resource pool share values take affect:
"Resource pool share values used in conjunction with CPU take affect when the demand, measured in percent utilization, and measured according to the data counter with the exact title of
- "cpu.usage.average"
- reaches 95%
of the host CPU capacity measured according to the data counter cpu.capacity.total
[ok so I made that counter name up] after subtracting the overhead required by the hypervisor."
I know this isn't how the algorithm works but I am creating an example to try to explain the difference between a general statement of what triggers share values to take affect and a specific definition of the condition that triggers them, defined by specific data counters reaching specific numerical values.
Hopefully that explains the question more clearly