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Design of Energy-Efficient Video Sharing Servers with Delay Constraints

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3 Author(s)
Hang Yuan ; Ming Hsieh Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA ; Kuo, C.J. ; Ahmad, I.

With the continually growing popularity of online video sharing, energy consumption in video sharing servers has become an pivotal issue. Energy savings in video servers can be achieved by utilizing low power modes in disks, but this causes enhanced delay which is not desirable for video sharing services. In this paper, we present a new energy management scheme that jointly optimizes energy and delay for the video storage system. There are two salient characteristics of the proposed scheme. First, it exploits the unique workload characteristics of video sharing services. Second, it includes a new model that efficiently facilitates the selection of power modes for disks. Experiments show that our scheme achieves considerably more energy savings under the same delay level compared to the traditional threshold-based energy management scheme.

Published in:

Parallel and Distributed Systems (ICPADS), 2012 IEEE 18th International Conference on

Date of Conference:

17-19 Dec. 2012