On the I/O characteristics of the mobile web browsers

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Recent advancement of mobile device technologies played a key role in increasing the user base, and a large number of people are using the device to gather information and browse the Internet. Web browsers are in the center of such activities. In this paper, we analyze the I/O characteristics of five popular web browsers: Chrome, Firefox, Opera, Dolphin, and UC. We chose a website that has 52 objects and 509KB as the sum of all the objects. After analyzing the ratio of read and write I/Os, we found that browsing is a write-intensive activity. Three of the browsers issued more than 50% of I/Os using fsync() and fdatasync(). About 50% of I/Os are for updating file system metadata and journal. The number of I/Os that a browser generates for SQLite and cache files is more than 50% at the lowest and 90% at the highest of the total I/O counts. In this paper, we define write amplification of web browsers to address the amount of extra I/Os browsers generate. We found that web browsers write on average of 11.7 times more data to the storage than the sum of original web contents.
Publisher
Association for Computing Machinery
Issue Date
2018-04
Language
English
Citation

33rd Annual ACM Symposium on Applied Computing, SAC 2018, pp.964 - 966

DOI
10.1145/3167132.3167402
URI
http://hdl.handle.net/10203/262717
Appears in Collection
EE-Conference Papers(학술회의논문)
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