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Abstract |
To support the highly concurrent processing of transactions with low price at parallel and distributed database systems, Network Of Workstations(NOW) is utilized. All workstations cooperate to perform... the jobs submitted by database applications. Each job consists of several transactions and these transactions are executed on NOW. Each transaction sent to NOW is allocated to a certain workstation by the coordinator running at a workstation. In this paper, we present a Distributed-Transaction Coordinator (DTC). In DTC, the cost to finish transactions is collected automatically and each transaction is assigned to an appropriate site based on the collected information.show more
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