Energy proportionality and workload consolidation for latency-critical applications
George Prekas, Mia Primorac, Adam Belay, Christos Kozyrakis, Edouard Bugnion · 2015
Energy proportionality and workload consolidation are important objectives towards increasing efficiency in large-scale datacenters. Our work focuses on achieving these goals in the presence of applications with μs-scale tail latency requirements. Such applications represent a growing subset of datacenter workloads and are typically deployed on dedicated servers, which is the simplest way to ensure low tail latency across all loads. Unfortunately, it also leads to low energy efficiency and low resource utilization during the frequent periods of medium or low load.