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Dumb design, dumber usage of mobile database
- Authors
- Kim, Myungsik; Lim, Eunryoung; Lee, Seongjin; Won, Youjip
- Issue Date
- Feb-2016
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Android; Database I/O usage; Mobile Database; Mobile Platform; Smartphone
- Citation
- 2015 IEEE 4th Global Conference on Consumer Electronics, GCCE 2015, pp 612 - 613
- Pages
- 2
- Indexed
- SCIE
SCOPUS
- Journal Title
- 2015 IEEE 4th Global Conference on Consumer Electronics, GCCE 2015
- Start Page
- 612
- End Page
- 613
- Abstract
- In this work, we captured 36 days of I/O trace from NEXUS 5 and analyzed database usage of each application. We found that 70% of synchronous write I/Os are snet-files-info.db, esO.db, and gmail.com.db. There were 1533 records in snet-files-info.db that has to be updated for Google mobile service which creates write amplification of 6×106. Out of 62 tables in esO.db, only 2 tables were the most frequently used tables, but surprisingly the two tables share almost exact data. mailstore.x@gmail.com.db creates heavy synchronous writes during during checkpoint operation. © 2015 IEEE.
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