A Fast Writing Technique of Large-sized Edited Multimedia Files based on the Ext3 File System 


Vol. 16,  No. 2, pp. 89-100, Apr.  2009
10.3745/KIPSTA.2009.16.2.89


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  Abstract

With the advance in digital technologies and the increasing prevalence of high quality multimedia contents, there is a growing user demand for multimedia devices, such as mobile phones, digital TV, PMP, digital camcoders, digital cameras. Such devices provide various services associated with multimedia file manipulation, including multimedia contents playback, multimedia file editing, etc. Conventional file systems exhibit a performance-related drawback that requires considerable amount of time and disk I/Os in order to store large-sized edited multimedia files. This paper proposes a fast, efficient writing technique for large-sized edited multimedia files by using data block sharing with adjustment of inode block pointers. Our experiments show that the proposed scheme not only improves write performance of the Ext3 file system on average by 16 times with various types of edited multimedia files, but also reduces consumed disk space dramatically through the data block sharing.

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[IEEE Style]

S. W. Jung, Y. J. Nam, D. W. Seo, "A Fast Writing Technique of Large-sized Edited Multimedia Files based on the Ext3 File System," The KIPS Transactions:PartA, vol. 16, no. 2, pp. 89-100, 2009. DOI: 10.3745/KIPSTA.2009.16.2.89.

[ACM Style]

Seung Wan Jung, Young Jin Nam, and Dae Wha Seo. 2009. A Fast Writing Technique of Large-sized Edited Multimedia Files based on the Ext3 File System. The KIPS Transactions:PartA, 16, 2, (2009), 89-100. DOI: 10.3745/KIPSTA.2009.16.2.89.

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