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ACM Transactions on Storage (TOS), Volume 11 Issue 3, July 2015

Frog: A Framework for Context-Based File Systems
Ji Zhang, Xunfei Jiang, Xiao Qin, Wei-Shinn Ku, Mohammed I. Alghamdi
Article No.: 11
DOI: 10.1145/2720022

This article presents a framework, Frog, for Context-Based File Systems (CBFSs) that aim at simplifying the development of context-based file systems and applications. Unlike existing informed-based context-aware systems, Frog is a unifying...

Accelerating File System Metadata Access with Byte-Addressable Nonvolatile Memory
Qingsong Wei, Jianxi Chen, Cheng Chen
Article No.: 12
DOI: 10.1145/2766453

File system performance is dominated by small and frequent metadata access. Metadata is stored as blocks on the hard disk drive. Partial metadata update results in whole-block read or write, which significantly amplifies disk I/O. Furthermore, a...

On the Trade-Offs among Performance, Energy, and Endurance in a Versatile Hybrid Drive
Zhichao Li, Ming Chen, Amanpreet Mukker, Erez Zadok
Article No.: 13
DOI: 10.1145/2700312

There are trade-offs among performance, energy, and device endurance for storage systems. Designs optimized for one dimension or workload often suffer in another. Therefore, it is important to study the trade-offs to enable adaptation to workloads...

ImmortalGraph: A System for Storage and Analysis of Temporal Graphs
Youshan Miao, Wentao Han, Kaiwei Li, Ming Wu, Fan Yang, Lidong Zhou, Vijayan Prabhakaran, Enhong Chen, Wenguang Chen
Article No.: 14
DOI: 10.1145/2700302

Temporal graphs that capture graph changes over time are attracting increasing interest from research communities, for functions such as understanding temporal characteristics of social interactions on a time-evolving social graph. ImmortalGraph...