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Dynamic probe based strategy for deadlock prevention in distributed systems
Author(s): LI Chen, PENG Dun-lu
Pages: 209-
212
Year: 2009
Issue:
1
Journal: Journal of Computer Applications
Keyword: 分布式系统; 死锁; 死锁预防; 创建动态探针;
Abstract: 数据库系统中事务死锁的检测和预防,对提高系统并发性和整体性能具有重要意义.在研究了现有的分布式数据库系统死锁预防策略的基础上,利用创建动态探针(DP)技术,提出了一种改进的死锁预防策略.该DP方法在创建探针后将其发往可能产生死锁的节点,接收到探针后,根据节点信息与探针所包含信息的比较结果,可以判断是否有死锁发生,从而达到预防死锁的目的.分析表明,该方法提高了死锁预防的有效性和系统资源的利用率.
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