NDLI: Virtual memory management for database systems

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Virtual memory management for database systems

Content Provider	ACM Digital Library
Author	Traiger, Irving L.
Abstract	Over the last several years, a number of hardware and software systems have been developed which map entire files directly into the virtual memory address spaces used by programs. Since all file contents are directly addressable, there is no need for a programmer to issue explicit file system actions, such as Read or Write. In addition, all of the buffer management problems are eliminated, since programmers do not have to squeeze pieces of large files into small virtual spaces. Although these advantages are tempting, we find that database systems have gone their own way. In this paper, we will look at two particular approaches to database system design, and see how (and why) they interface to file systems as they do. We will then look at the potential advantages and implications of working more closely with virtual memory management, and describe some of the functions and constraints that would have to be supported by a generalized page manager.
Starting Page	26
Ending Page	48
Page Count	23
File Format	PDF
ISSN	01635980
DOI	10.1145/850726.850729
Journal	ACM SIGOPS Operating Systems Review (OPSR)
Volume Number	16
Issue Number	4
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1975-04-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Information Systems

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