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Dynamic management of transactions in distributed real-time processing system

Author(s): Y. Jayanta Singh | Yumnam Somananda Singh | Ashok Gaikwad | S.C. Mehrotra

Journal: International Journal of Database Management Systems
ISSN 0975-5985

Volume: 2;
Issue: 2;
Start page: 161;
Date: 2010;
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Keywords: Real time system | dynamic management | intelligent agents

Managing the transactions in real time distributed computing system is not easy, as it hasheterogeneously networked computers to solve a single problem. If a transaction runs acrosssome different sites, it may commit at some sites and may failure at another site, leading to aninconsistent transaction. The complexity is increase in real time applications by placingdeadlines on the response time of the database system and transactions processing. Such asystem needs to process Transactions before these deadlines expired. A series of simulationstudy have been performed to analyze the performance under different transaction managementunder conditions such as different workloads, distribution methods, execution mode-distributionand parallel etc. The scheduling of data accesses are done in order to meet their deadlines andto minimize the number of transactions that missed deadlines. A new concept is introduced tomanage the transactions in dynamic ways rather than setting computing parameters in staticways. With this approach, the system gives a significant improvement in performance.
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