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Device for controlling multiple transactions contending concurrently for the same resource in a distributed database system
Device for controlling multiple transactions contending concurrently for the same resource in a distributed database system
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机译:用于控制分布式数据库系统中同时争用同一资源的多个事务的设备
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摘要
A database processor in a distributed database system has a decision making section for use in detecting whether a distributed deadlock has occurred if a contention is detected by a contention detector. If a distributed deadlock occurs, the decision making section posts or provides a concurrency controller with information regarding the detection of the distributed deadlock, whose occurrence has been detected by a global deadlock detector on a network to which the database processor is connected. The concurrency controller instructs a transaction controller to cancel the queuing of the transaction forming the distributed deadlock. The transaction controller can then take prescribed controlling actions to swiftly resolve the distributed deadlock.
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