The ADvanced Systems Laboratory (ADSL)
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Physical Disentanglement in a Container-Based File System
Lanyue Lu,
Yupu Zhang,
Thanh Do,
Samer Al-Kiswany,
Andrea C. Arpaci-Dusseau,
Remzi H. Arpaci-Dusseau
Department of Computer Sciences,
University of Wisconsin-Madison
Abstract:
We introduce IceFS, a novel file system that separates physical
structures of the file system. A new abstraction, the cube, is
provided to enable the grouping of files and directories inside a
physically isolated container. We show three major benefits of cubes
within IceFS: localized reaction to faults, fast recovery, and
concurrent filesystem updates. We demonstrate these benefits within
a VMware-based virtualized environment and within the Hadoop
distributed file system. Results show that our prototype can
significantly improve availability and performance, sometimes by an
order of magnitude.
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