Sunday, August 10, 2014

Facebook's Load Balancer Achieves 27% Power Savings at Midnight

Facebook's engineering team posted details on its "Autoscale" load balancing technology, which is now yielding significant energy savings as traffic on the site rises and falls during the course of a day.

In a blog posting, Facebook engineers describe how the Autoscale load balancer dynamically adjusts the size of virtual pools of web servers such that each active server will get at least medium-level CPU utilization regardless of the overall workload level.

https://code.facebook.com/posts/816473015039157/making-facebook-s-software-infrastructure-more-energy-efficient-with-autoscale/

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