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Tuesday, July 9 • 10:40am - 11:10am
File Systems as Processes

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We introduce file systems as processes (FSP), a storage architecture designed for modern ultra-fast storage devices. By building a direct-access file system as a standalone user-level process, FSP accelerates file system development velocity without compromising essential file system properties. FSP promises to deliver raw device-level performance via highly tuned inter-process communication mechanisms; FSP also ensures protection and metadata integrity by design. To study the potential advantages and disadvantages of the FSP approach, we develop DashFS, a prototype user-level file system. We discuss its architecture and show preliminary performance benefits.


Jing Liu

University of Wisconsin, Madison

Andrea C. Arpaci-Dusseau

University of Wisconsin, Madison

Remzi H. Arpaci-Dusseau

University of Wisconsin, Madison

Sudarsun Kannan

Rutgers University

Tuesday July 9, 2019 10:40am - 11:10am PDT
HotStorage: Grand Ballroom I–III