Autoscale: How Facebook Makes Its Software Infrastructure More Energy-Efficient
Facebook’s energy-conservation efforts aren’t limited to the hardware at its data centers: The social network aims to make its software infrastructure more energy-efficient, as well, and one of the ways it is doing so is via Autoscale, a system for power-efficient load balancing.
Facebook’s energy-conservation efforts aren’t limited to the hardware at its data centers: The social network aims to make its software infrastructure more energy-efficient, as well, and one of the ways it is doing so is via Autoscale, a system for power-efficient load balancing.
Facebook described the concept behind Autoscale in a post on its engineering blog by Infrastructure Software Engineer Qiang Wu:
Every day, Facebook Web clusters handle billions of page requests that increase server utilization, especially during peak hours.
The default load-balancing policy at Facebook is based on a modified round-robin algorithm.
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