Generic Technology, Communication & Online - Climate Protection Question 12
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Is the average utilization ratio of its used data centers higher than 20%?
NL: Is de benuttingsgraad van de servers gemiddeld hoger dan 20%?
DE: Liegt die durchschnittliche Auslastung der Server bei über 20%?
As the PUE metric does not cover the efficiency of the actual servers in the data centers, there is a need for metrics that do cover this. The Green Grid (p.28 - sorry, login required) proposes several possible metrics that would cover server efficiency.
The Japan National Body / Green IT Promotion Council proposes in the New Metrics document (p.6) to use of ITEU (for system utilization through consilidation and virtualization that will reduce the equipment volume) and the ITEE metric (for energy efficiency performance of equipment).
The average CPU utilization and the ITEU are both eligible for this criterium of 20%, until further development in the standardization of metrics for data center efficiency.