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A Distributed Database System Based on Database Migration and Its Mechanism for Concurrency Control

机译:基于数据库迁移的分布式数据库系统及其并发控制机制

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摘要

In this paper, we discuss our proposal of a distributed database system, DB-MAN (distributed database system based on DataBase Migration in ATM Networks), which takes advantage of database migration in virtual local area networks (LANs) of ATM networks. DB-MAN has two notable mechanisms: a mechanism for selecting the transaction processing method and a mechanism for concurrency control with database migration. The former is a mechanism that chooses the more efficient method between two transaction processing methods: the conventional method based on the two-phase commit protocol and our method employing database migration. The latter is a mechanism to prevent the transaction processing throughput from deteriorating in environments where data contention is a significant factor. Then we show simulation results regarding performance comparison between our proposed system and the conventional distributed database system based on the two-phase commit protocol. The obtained results demonstrate that effective use of database migration gives higher performance than that of the conventional system.
机译:在本文中,我们讨论了我们的分布式数据库系统DB-MAN(基于ATM网络中基于数据库迁移的分布式数据库系统)的建议,该提案利用了ATM网络的虚拟局域网(LAN)中的数据库迁移的优势。 DB-MAN具有两种值得注意的机制:一种选择事务处理方法的机制和一种用于数据库迁移的并发控制的机制。前者是在两种事务处理方法之间选择更为有效的方法的机制:基于两阶段提交协议的常规方法和我们采用数据库迁移的方法。后者是一种机制,可以防止在数据争用是重要因素的环境中事务处理吞吐量恶化。然后,我们给出了关于我们提出的系统与基于两阶段提交协议的常规分布式数据库系统之间性能比较的仿真结果。获得的结果表明,与常规系统相比,有效使用数据库迁移可提供更高的性能。

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