解决分布式数据库2PL执行-提交冲突的一种改进的乐观方法
해결분포식수거고2PL집행-제교충돌적일충개진적악관방법
An Improvement of OPT to Resolve Executing-Committing Conflict of Distributed Database Using 2PL
  • 万方数据
    电脑与电信 전뇌여전신
    COMPUTER & TELECOM
    2009年 7期 78-80 ,共3页

    徐龙春%蒋年德

    서룡춘%장년덕

    两阶段锁定协议%执行-提交冲突%乐观方法%并发控制%锁模式冲突 兩階段鎖定協議%執行-提交遲突%樂觀方法%併髮控製%鎖模式遲突
    량계단쇄정협의%집행-제교충돌%악관방법%병발공제%쇄모식충돌
    2PL%executing-committing conflict%OPT%concurrency control%conflict between lock modes
    分布式数据库系统通常采用2PL(两阶段锁定协议)来维护其一致性.本文运用Shadow-Opt方法,通过区分写操作将新旧算法结合从而保证一致性并提高性能.
    분포식수거고계통통상채용2PL(량계단쇄정협의)래유호기일치성.본문운용Shadow-Opt방법,통과구분사조작장신구산법결합종이보증일치성병제고성능.
    Distributed database systems usually use 2PL (Two Phase Locking Protocol) to assure the consistency. This paper uses Shadow-Opt, and combines the old and new algorisms to assure the consistency and improve the function by differentiating the write operation.
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