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OMFS: an object-oriented multimedia file system for cluster streaming server

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3 Author(s)
Bin Cheng ; Cluster & Grid Comput. Lab., Huazhong Univ. of Sci. & Technol., Wuhan ; Hai Jin ; Quan Yuan

Using cluster as streaming servers is now a very popular solution. With the improvement of network speed and CPU performance, file I/O becomes the key bottleneck of cluster streaming server. However, most existing systems are short of an efficient and uniform multimedia file system so that the designers of cluster streaming server have to take a lot of time in managing all kinds of multimedia files. In this paper we propose an object-oriented multimedia file system, called OMFS, to provide an object-oriented organization scheme for multimedia files and uniform interfaces for cluster streaming servers. Furthermore, we present some optimization strategies to improve its performance, such as bypassing kernel buffer, creating time-based block indexing map. Our experimental results show that OMFS not only reduces the start-up latency and VCR waiting time but also improves the throughput of cluster streaming server. In addition, our results demonstrate that object-oriented organization framework is efficient and feasible to simplify the design of cluster streaming server

Published in:

High-Performance Computing in Asia-Pacific Region, 2005. Proceedings. Eighth International Conference on

Date of Conference:

1-1 July 2005