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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yanzhi Wang Shuang Chen Goudarzi, H. Pedram, M. |
| Copyright Year | 2013 |
| Description | Author affiliation: Univ. of Southern California, Los Angeles, CA, USA (Yanzhi Wang; Shuang Chen; Goudarzi, H.; Pedram, M.) |
| Abstract | Distributed computing systems have attracted a lot of attention due to increasing demand for high performance computing and storage. Resource allocation is one of the most important challenges in the distributed systems especially when the clients have some Service Level Agreements (SLAs) and the total profit depends on how the system can meet these SLAs. In this paper, an SLA-based resource allocation problem in a server cluster is considered. The objective is to maximize the total profit, which is the total price gained from serving the clients subtracted by the operation cost of the server cluster. The total price depends on the average request response time for each client as defined in their utility functions, while the operating cost is related to the total energy consumption. A joint optimization framework is proposed, comprised of request dispatching, dynamic voltage and frequency scaling (DVFS) for individual cores, as well as server-level and core-level consolidations. Each core in the cluster is modeled using a continuous-time Markov decision process (CTMDP). A near-optimal hierarchical solution is proposed, consisting of a central manager and distributed local agents. Each local agent employs linear programming-based CTMDP solving method to solve the DVFS problem for the corresponding core. The central manager solves the request dispatching problem and finds the optimal number of turned on cores and servers for request processing, thereby achieving a desirable tradeoff between service request response time and power consumption. Experimental results demonstrate that the proposed near-optimal resource allocation and consolidation algorithm consistently outperforms baseline algorithms. |
| Sponsorship | IEEE Electron Devices Soc. |
| Starting Page | 635 |
| Ending Page | 642 |
| File Size | 252382 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781467349512 |
| ISSN | 19483287 |
| e-ISBN | 9781467349536 |
| DOI | 10.1109/ISQED.2013.6523677 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-03-04 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Servers Resource management Optimization Power demand Dispatching Time factors Linear programming Markov decision process Cloud computing service level agreement resource allocation |
| Content Type | Text |
| Resource Type | Article |
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