Clustering and non-clustering effects in flash memory databases
- Authors
- Bae, Duck-Ho; Chang, Ji-Woong; Kim, Sang-Wook
- Issue Date
- Aug-2009
- Publisher
- IEEE
- Keywords
- Clustering; DBMS; Flash memory; Free space list; Non-clustering
- Citation
- Proceedings - International Workshop on Database and Expert Systems Applications, DEXA, pp.4 - 8
- Indexed
- SCOPUS
- Journal Title
- Proceedings - International Workshop on Database and Expert Systems Applications, DEXA
- Start Page
- 4
- End Page
- 8
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/176352
- DOI
- 10.1109/DEXA.2009.62
- ISSN
- 1529-4188
- Abstract
- Flash memory has its unique characteristics: the write operation is much more costly than the read operation, and in-place updating is not allowed. In this paper, we analyze how these characteristics affect the performance of clustering and non-clustering in record management, and shows that non-clustering is more suitable in flash memory environment, which does not hold in disk environment. Also, we discuss the problems of the existing non-clustering method, and identify design factors to be considered with record management method in flash memory environment.
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