Workload Shaping to Mitigate Variability in Renewable Power Use by Data Centers

Provided by: Institute of Electrical & Electronic Engineers
Topic: Data Management
Format: PDF
In this paper, the authors explore the opportunity for energy saving in data centers using the flexibility from the Service Level Agreements (SLAs) and propose a novel approach for scheduling workload that incorporates use of renewable energy sources. They investigate how much renewable power to store and how much workload to delay for increasing renewable usage while meeting latency constraints. They present an LP formulation for mitigating variability in renewable generation by dynamic deferral and give two online algorithms to determine optimal balance of workload deferral and power use.

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