NDLI: An optimistic concurrency control mechanism without freezing for distributed database systems

Content Provider	IEEE Xplore Digital Library
Author	Chiu, Lin Liu, Ming T.
Copyright Year	1987
Description	Author affiliation: Department of Computer and Information Science, The Ohio State University, Columbus, 43210, United States (Chiu, Lin; Liu, Ming T.)
Abstract	Optimistic concurrency control mechanisms have the tendency of freezing the system in order to validate a transaction at the end of the transaction's execution phase. This paper presents an optimistic concurrency control that does not freeze the database system. According to the property of conflicting transactions, concurrency control is divided into two counterparts. While one part is exercised at the data object, which responds instantly to consistency violation, the other part is exercised by messages flowing between transactions as background tasks. The whole system need not stop during the time concurrency control is exercising, nor during the time the system is restoring its state when consistency is violated. This makes the mechanism more attractive, since a higher degree of parallelism is provided between consistency control and transaction execution. An object-based model is used to present the mechanism in a distributed database system, in which communication relies heavily on message passing.
Starting Page	322
Ending Page	329
File Size	1043237
Page Count	8
File Format	PDF
ISBN	9780818607622
DOI	10.1109/ICDE.1987.7272397
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1987-02-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Distributed databases Marine vehicles
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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