File systems must allocate space for files without knowing what will be added or removed in
the future. Over the life of a file system, this may cause suboptimal file placement decisions …

Nowadays, mobile devices have become the necessities of everyday life. However, users
may notice that after a long period of usage, mobile devices will start experiencing sluggish …

As we all know, file and free space fragmentation negatively affect file system performance.
F2FS is a file system designed for flash memory. However, it suffers from severe …

Mobile devices, such as smartphones, have become a necessity in our daily life. However,
users may notice that after being used for a longtime, mobile devices begin to exhibit a …

For several decades, filesystem aging has been widely studied, but nonetheless, it still
remains an unsolved problem. Among various filesystems, log-structured filesystems have …

As a file system ages, it can experience multiple forms of fragmentation. Fragmentation of
the free space in the file system can lower write performance and subsequent read …

Flash Friendly File System (F2FS) is getting popular among mobile devices. However, lack
of empirical and comprehensive analysis for characteristics of F2FS prohibits better …

As a file system ages, it can experience multiple forms of fragmentation. Fragmentation of
the free space in the file system can lower write performance and subsequent read …

As we all know, file and free space fragmentation negatively affect file system performance.
F2FS is a file system designed for flash memory. However, it suffers from severe …

We propose a efficient writeback scheme that enables guaranteeing throughput in high-
performance storage systems. The proposed scheme, called de-fragmented writeback …