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DGDBM: PROGRAMMING SUPPORT FOR DISTRIBUTED TRANSACTIONS OVER REPLICATED FILES

机译：DGDBM：对替换文件上的分布式事务进行编程支持

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摘要

This paper describes a set of facilities for programming distributed transactions over replicated files which are accessed by primary key. The files are located on several computers communicated by a network. Each site has the set of GNU dbm (Gdbm) routines for local file management [15]. Above this platform we have built an interface and a set of services for distributed transaction programming. The resulting programming environment, "DGDBM", offers transparency in relation to data distribution and data replication, giving a centralized vision to the programmer. It assures the functions of management of distributed transactions like as failure recovery, mutual consistency between copies and concurrence control. DGDBM is an useful support for distributed application programming over replicated files in UNIX networks and it is available as an API (application programming interface) for the C programmer. This paper describes the services offered by DGDBM to the programmer, the architecture of the system, the adopted solutions for distributed transaction management, the general aspects of design and implementation and the perspectives and planned extensions for this project.
机译：本文介绍了一套用于对通过主键访问的复制文件上的分布式事务进行编程的工具。这些文件位于通过网络通信的多台计算机上。每个站点都有一组用于本地文件管理的GNU dbm（Gdbm）例程[15]。在这个平台之上，我们为分布式事务编程构建了一个接口和一组服务。最终的编程环境“ DGDBM”提供了与数据分发和数据复制有关的透明性，使程序员可以集中查看。它确保了分布式事务管理的功能，例如故障恢复，副本之间的相互一致性和并发控制。 DGDBM对UNIX网络中的复制文件上的分布式应用程序编程提供了有用的支持，它可以作为C程序员的API（应用程序编程接口）使用。本文描述了DGDBM为程序员提供的服务，系统的体系结构，已采用的分布式事务管理解决方案，设计和实现的一般方面以及该项目的观点和计划的扩展。

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