吉林大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (06): 1668-1672.

• paper • Previous Articles     Next Articles

Transaction model of grid database

ZANG Xue-bai1,2,ZHAO Hai-ying3, WU Yang1,2,LI Xiong-fei1,2   

  1. 1.College of Computer Science and Technology,Jilin University,Changchun 130012,China;2.Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education,Jilin University,Changchun 130012,China;3.College of Computer Science and Engineering,Xinjiang Normal University,Wulumuqi 830054,China
  • Received:2009-08-25 Online:2010-11-01 Published:2010-11-01

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Abstract:

According to the characteristics of selfgovernment and dynamics under grid environment, a model algorithm of transaction processing is proposed. The algorithm defines the key transaction, does not differentiate between coordinators and participants, each node only returns the results to the node who assigns the task to it. When a node can not finish its task, the algorithm uses service discovery technology to detect the nodes that can supply the same service in realtime; thus the probability of successful completion of the services is increased. The algorithm takes into account the rollback operation after the exit of the nodes to ensure the reliability of the services. The algorithm is validated by Petri net.

Key words: computer software, grid, transaction, Petri net

CLC Number: 

  • TP311.13
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