Lightweight Recoverable Virtual Memory

Recoverable virtual memory refers to regions of a virtual address spare on which transactional guarantees are offered. This paper describes RVM, an efficient, portable, and easily used implementation of recoverable virtual memory for Unix environments. A unique characteristic of RVM is that it allow...

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Bibliographic Details
Main Authors: Satyanarayanan, M, Mashburn, Henry H, Kumar, Puneet, Steere, David C, Kistler, James J
Format: Report
Language:English
Subjects:
ADDRESSING
BENEFITS
Computer Hardware
Computer Programming and Software
CONTROL
ENVIRONMENTS
FAULT TOLERANCE
GUARANTEES
INFORMATION RETRIEVAL
LESSONS LEARNED
LIBRARIES
LIGHTWEIGHT
MEMORY DEVICES
OPERATING SYSTEMS(COMPUTERS)
OPTIMIZATION
RECOVERY
REGIONS
RVM(REMOVABLE VIRTUAL MEMORY)
SEMANTICS
UNIX OPERATING SYSTEM
USER NEEDS
VIRTUAL MEMORY
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Description
Summary:Recoverable virtual memory refers to regions of a virtual address spare on which transactional guarantees are offered. This paper describes RVM, an efficient, portable, and easily used implementation of recoverable virtual memory for Unix environments. A unique characteristic of RVM is that it allows independent control over the transactional properties of atomicity, permanence, and serializability. This leads to considerable flexibility in the use of RVM, potentially enlarging the range of applications than can benefit from transactions. It also simplifies the layering of functionality such as nesting and distribution. The paper shows that RVM performs well over its intended range of usage even though it does not benefit from specialized operating system support. It also demonstrates the importance of intra- and inter-transaction optimizations. Proceedings of the 14th ACM Symposium on Operating Systems Principles, Asheville, NC, Dec 1993.