Abstract
This chapter describes a context-aware adaptive load balancing system capable of dynamically taking adaptation decisions to scale up/down Data Centre (DC) resources aiming at decreasing its energy consumption. The decision process is based on a reinforcement leaning technique which starts from the current DC state (Cloud Snapshot) and builds a learning tree by simulating the execution of load balancing actions with the goal of reducing the load fragmentation on the DC servers. The Cloud Snapshots are constructed by collecting DC context data related to workload distribution on the servers, computing resources usage and associated energy consumption values. Context and energy awareness is enacted by detecting those snapshots that are inefficient in terms of workload distribution and power/energy usage by using state of the art metrics and indicators. As a proof of concept implementation we present the Green Cloud Scheduler plug-in which augments OpenNebula Middleware with energy-awareness features.
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Anghel, I., Cioara, T., Salomie, I. (2016). Context-Aware and Reinforcement Learning-Based Load Balancing System for Green Clouds. In: Pop, F., Kołodziej, J., Di Martino, B. (eds) Resource Management for Big Data Platforms. Computer Communications and Networks. Springer, Cham. https://doi.org/10.1007/978-3-319-44881-7_7
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