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Systolic computation for conflict elimination between parallel executed distributed transactions

Smoliński M.

Metody Informatyki Stosowanej

2011

nr 4

223-229

Serializable history defines execution order for every distributed transaction requested by enterprise information systems, that share many data source i.e. databases. However parallel execution of distributed transactions could cause a conflict. Many conflicts could have a negative effect as a deadlock between executed transactions and stop further processing in associated enterprise informational systems. Prepared rigorous history eliminates conflicts between distributed transactions. All required computations are processed ahead by dedicated hardware unit, a systolic array. Designed systolic algorithm base on simple condition enabling transaction conflict detection. Main features of systolic array are parallel and streaming processing. Designed systolic algorithm that supports transaction conflict detection is also flexible in usage for various distributed environment.