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dc.contributor.authorCheng, Kai-Yu
dc.contributor.authorTsai, Chung-Wei
dc.contributor.authorChiang, Mei-Ling
dc.date.accessioned2009-06-02T07:05:42Z
dc.date.accessioned2020-05-25T06:48:47Z-
dc.date.available2009-06-02T07:05:42Z
dc.date.available2020-05-25T06:48:47Z-
dc.date.issued2009-02-12T08:54:35Z
dc.date.submitted2009-02-12
dc.identifier.urihttp://dspace.lib.fcu.edu.tw/handle/2377/11248-
dc.description.abstractThough computer devices are innovated continuously with the evolution of the technology, hard disk is still the bottleneck of the system performance. In this paper, we propose an adaptive file rearrangement mechanism to reduce disk seek times in accessing files to improve file system performance. Basically, frequently accessed files will be dynamically migrated to the space located at the center of the hard disk during the manipulation of disk files. Besides, we exploit application provided data access behavior to create hot files in the central disk. Furthermore, for the cost-effective concern, we also propose a method to reduce the file migration overhead. If the original disk location of a file to be migrated is close enough to the central disk, the file will not be migrated. We have implemented the proposed adaptive file rearrangement mechanism by modifying the Ext3 file system of Linux kernel 2.6. Experimental results show that our modified Ext3 file system can effectively decrease disk access time and improve file system performance.
dc.description.sponsorship淡江大學,台北縣
dc.format.extent6p.
dc.relation.ispartofseries2008 ICS會議
dc.subjectFile System
dc.subjectSeek Time
dc.subjectCylinder
dc.subject.otherOpen Source
dc.titleImproving Performance of Linux File System with Adaptive File Rearrangement
分類:2008年 ICS 國際計算機會議

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