On Wed, Nov 1, 2017 at 9:31 AM, Federico Leva (Nemo) nemowiki@gmail.com wrote:
Thanks. "Procurement for Asia datacenter has started" is big news! Is energy efficiency a criterion for the product/supplier selection?
(This needs not be something very complicated. For instance Dell asks a small surcharge if you want a more efficient PSU, IIRC. < http://www.dell.com/learn/uk/en/ukbsdt1/help-me-choose/hmc- power-supply-unit-12g?ref=CFG>)
We buy servers from two standard vendors (Dell and HP), and select the most energy-efficient components (including PSUs) available for the task - not only because it's better for the environment, but also because it allows us to achieve higher rack density (more servers within the same space) and therefore also saves costs over time.
These server configurations have been carefully sized, selected and tested/measured in practice with actual work loads to provide the most optimal usage of resources. For example, through consolidation and optimization of cache clusters onto fewer, but somewhat higher capacity new servers we've reduced the amount of equipment and power required to approximately 60%, also shrinking data center space, supportive infrastructure and management needs in the process.