WattsApp: Power-aware container scheduling

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Mehta, Hemant Kumar
Harvey, Paul
Rana, Omar
Buyya, Rajkumar
Varghese, Blesson
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Institute of Electrical and Electronics Engineers (IEEE)
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Containers are popular for deploying workloads. However, there are limited software-based methods (hardware-based methods are ex- pensive) for obtaining the power consumed by containers to facilitate power-aware container scheduling. This paper presents WattsApp, a tool underpinned by a six step software-based method for power- aware container scheduling to minimize power cap violations on a server. The proposed method relies on a neural network-based power estimation model and a power capped container scheduling technique. Experimental studies are pursued in a lab-based environment on 10 benchmarks on Intel and ARM processors. The results highlight that power estimation has negligible overheads - nearly 90% of all data samples can be estimated with less than a 10% error, and the Mean Absolute Percentage Error (MAPE) is less than 6%. The power-aware scheduling of WattsApp is more effective than Intel’s Running Power Average Limit (RAPL) based power capping as it does not degrade the performance of all running containers.
WattsApp , Power- aware container scheduling , Scheduling , Server , Workloads , Accelerator architectures. , Container power capping
Mehta, H. K., Harvey, P., Rana, O., Buyya, R. and Varghese, B. (2020) ‘WattsApp: Power-Aware Container Scheduling’, UCC’20: IEEE/ACM International Conference on Utility and Cloud Computing, Virtual Conference, (Leicester, UK), 07-10 December. Forthcoming publication
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