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Title: Implications on Database Management
Authors: Fernando, B. Tania L
Keywords: Database Management
Management Systems
Solid State Disks
Issue Date: 10-Jul-2013
Series/Report no.: MSc/IT/;0001
Abstract: Usage of mobile devices introduced ash memory based storage devices such as ash drives, Secure Digital (SD), Micro SD and Solid State Disks (SSD). These storage media became a viable replacement for Magnetic Disks due to various ad- vantages. But with the di erent characteristics available in ash technology based storage devices, the data access performance can vary when accessing data. When considering Database Management Systems (DBMS), the most important factor that is considered is the read write costs in terms of performance and energy con- sumption. Therefore, when it comes to the decision of selecting between Magnetic Disks over SSDs or any other storage device, the read write mechanisms and the speeds should be considered. DBMS components are designed according to the fact that the read write costs being symmetric, with assuming that the only used storage device as the Magnetic disk. SSDs display an asymmetric nature when the reads and write performances are compared. If SSDs are to replace the Magnetic disks, the components of DBMS should be changed in accordance with asymmet- ric nature of read writes. The Research, \Implications on Database Management Systems with usage of Solid State Disks" focused on to nd out the performance variance between the usage of HDD and ash based devices with di erent scenarios to nd out good strategies to access data stored in the devices. After performing a literature review and extensive set of experiments, an algorithm is proposed to select the best performing block size for a given storage device and access pattern.
Description: Supervisor- Mr. Prasanna S. Haddela
Appears in Collections:Information Technology

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