期刊
COMPUTERS & ELECTRICAL ENGINEERING
卷 97, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compeleceng.2021.107630
关键词
Energy efficiency; Data centers; Application signature; Task scheduling
类别
资金
- Complutense University of Madrid
- Banco Santander, Spain [CT45/15-CT46/15]
- Spanish Ministry of Science and Innovation [PID2019-110866RB-I00]
Energy-aware task scheduling approaches are crucial for improving energy savings in data centers, with the use of application signatures to estimate energy consumption without complete execution of applications. Different scheduling approaches can be combined with application signatures to optimize the makespan of the scheduling process and enhance energy savings, with high accuracy compared to oracle methods.
Data centers are power hungry facilities. Energy-aware task scheduling approaches are of utmost importance to improve energy savings in data centers, although they need to know beforehand the energy consumption of the applications that will run in the servers. This is usually done through a full profiling of the applications, which is not feasible in long-running application scenarios due to the long execution times. In the present work we use an application signature that allows to estimate the energy without the need to execute the application completely. We use different scheduling approaches together with the information of the application signature to improve the makespan of the scheduling process and therefore improve the energy savings in data centers. We evaluate the accuracy of using the application signature by means of comparing against an oracle method obtaining an error below 1.5%, and Compression Ratios around 39.7 to 45.8.
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