Analysis models and methods on the network storage system I/O performance
DIAO Ying, YAO Nian-min
Computer Application Technology, College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, China
Abstract:
Network storage provides high scalability, availability and flexibility for storage systems, and is widely applied to many fields. Particularly, I/O performance is of great significance. Its application is wide and expanding rapidly. I/O performance has already become the bottleneck of the whole performance of computer systems for a long time, and under the condition of the present computer technology, I/O performance optimization method looks especially important. In the paper, I/O performance model was analyzed based on the combination of quasi birth, death process and queuing model, and then solved the model. A number of important related performance indicators and the relationship between them were given. By the way of example, this method can show the I/O performance more accurately. Finally, we got some useful conclusions, which may be used to evaluate network storage performance, and are the basis of confirming I/O scheduling strategy.
Key words: I/O performance, queuing model, quasi birth and death process, network storage
DOI：10.11916/j.issn.1005-9113.2012.04.007
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Analysis models and methods on the network storage system I/O performance
本站小编 哈尔滨工业大学/2019-10-23
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