Dynamic Management and Maintenance of Whole Data Directory

doi:10.3969/j.issn.1000-3428.2006.13.013

Computer Engineering ›› 2006, Vol. 32 ›› Issue (13): 35-37. doi: 10.3969/j.issn.1000-3428.2006.13.013

• Software Technology and Database • Previous Articles Next Articles

Dynamic Management and Maintenance of Whole Data Directory

CHEN Jianying1,2; LIU Xinsong2;TAN Wenrong1;LIU Tao1;TAN Ying1;WANG Li1

1. School of Computer Science & Technology, Southwest University for Nationalities, Chengdu 610041; 2. 8010 Research and Development Group, University of Electronic Science & Technology of China, Chengdu 610054

Received:1900-01-01 Revised:1900-01-01 Online:2006-07-05 Published:2006-07-05

全局数据目录的动态管理和维护

陈建英1,2;刘心松2;谈文蓉1;刘　韬1，谭　颖1，王　莉1

1. 西南民族大学计算机科学与技术学院，成都 610041；2. 电子科技大学8010研究室，成都 6100541

Abstract

Abstract: Aiming at the dynamic characteristic of the data directory in distributed and parallel database system (DPDBS), the dynamic arithmetic for whole data directory is put forward. The arithmetic is implemented by embedding the consistency check of whole data directory in the course of database executing, improving the two phase commit protocol, and making use of technology such as recovery, parallel handling, and other technology. The application proves its efficiency.

Key words: Distributed and parallel database system, Whole data directory, Two phase commit protocols(2PC), Consistency

摘要： 针对分布式并行数据库系统DPDBS中数据库副本数、数据库分布等信息的动态性，提出全局数据目录的动态管理和维护算法。该算法将数据目录一致性检查嵌入数据库执行过程中，通过改进两阶段提交协议和采用捎带、恢复和并行处理等技术，在低开销的情况下动态地保证了全局数据信息的一致性和实时性。

关键词: 分布式并行数据库系统, 全局数据目录, 两阶段提交协议, 一致性

CHEN Jianying;; LIU Xinsong;TAN Wenrong;LIU Tao;TAN Ying;WANG Li. Dynamic Management and Maintenance of Whole Data Directory[J]. Computer Engineering, 2006, 32(13): 35-37.

陈建英;;刘心松;谈文蓉;刘　韬;谭　颖;王　莉. 全局数据目录的动态管理和维护[J]. 计算机工程, 2006, 32(13): 35-37.

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