TY - GEN
T1 - Semantic-aware hot data selection policy for flash file system in android-based smartphones
AU - Choi, Dongsoo
AU - Shin, Dongkun
PY - 2013
Y1 - 2013
N2 - Flash memory has different characteristics from traditional hard disk drives. Therefore, the traditional file systems such as EXT4 are not well-optimized for flash memory storage. Recently, a flash memory-aware file system, called F2FS, is announced, which is based on the log-structured file system considering the poor random write performance of flash memory. Although F2FS uses a heuristic for separating hot and cold data, the heuristic is not aware of file type. In this paper, we observe the lifetime of different types of files in Android platform and propose a semantic-aware hot data selection policy for F2FS. Experimental results show that the proposed technique reduces the garbage collection cost by up to 31%.
AB - Flash memory has different characteristics from traditional hard disk drives. Therefore, the traditional file systems such as EXT4 are not well-optimized for flash memory storage. Recently, a flash memory-aware file system, called F2FS, is announced, which is based on the log-structured file system considering the poor random write performance of flash memory. Although F2FS uses a heuristic for separating hot and cold data, the heuristic is not aware of file type. In this paper, we observe the lifetime of different types of files in Android platform and propose a semantic-aware hot data selection policy for F2FS. Experimental results show that the proposed technique reduces the garbage collection cost by up to 31%.
KW - Android System
KW - Flash Memory
KW - Garbage Collection
KW - Hot-Cold Data Separation
KW - Log-Structured File System
KW - Mobile Platform
UR - https://www.scopus.com/pages/publications/84900853152
U2 - 10.1109/ICPADS.2013.77
DO - 10.1109/ICPADS.2013.77
M3 - Conference contribution
AN - SCOPUS:84900853152
SN - 9781479920815
T3 - Proceedings of the International Conference on Parallel and Distributed Systems - ICPADS
SP - 444
EP - 445
BT - Proceedings - 2013 19th IEEE International Conference on Parallel and Distributed Systems, ICPADS 2013
PB - IEEE Computer Society
T2 - 2013 19th IEEE International Conference on Parallel and Distributed Systems, ICPADS 2013
Y2 - 15 December 2013 through 18 December 2013
ER -