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    • 1. 发明授权
    • Method and system of database divisional management for parallel database system
    • 并行数据库系统数据库分区管理方法与系统
    • US07599910B1
    • 2009-10-06
    • US09665448
    • 2000-09-19
    • Masashi TsuchidaKazuo MasaiShunichi Torii
    • Masashi TsuchidaKazuo MasaiShunichi Torii
    • G06F17/30
    • G06F9/5083G06F17/30584Y10S707/99932Y10S707/99933Y10S707/99936Y10S707/99953
    • A method and a system of database divisional management for use with a parallel database system comprising an FES (front end server), BES's (back end servers), an IOS (I/O server) and disk units. The numbers of processors assigned to the FES, BES's and IOS, the number of disk units, and the number of partitions of the disk units are determined in accordance with the load pattern in question. Illustratively, there may be established a configuration of one FES, four BES's, one IOS and eight disk units. The number of BES's is varied from one to four depending on the fluctuation in load, so that a scalable system configuration is implemented. When the number of BES's is increased or decreased, only the management information thereabout is transferred between nodes and not the data, whereby the desired degree of parallelism is obtained for high-speed query processing.
    • 一种与并行数据库系统一起使用的数据库分区管理方法和系统,包括FES(前端服务器),BES(后端服务器),IOS(I / O服务器)和磁盘单元。 根据所讨论的负载模式确定分配给FES,BES和IOS的处理器的数量,磁盘单元的数量和磁盘单元的分区数。 说明性地,可以建立一个FES,四个BES,一个IOS和八个磁盘单元的配置。 根据负载波动,BES的数量从1到4不等,从而实现可扩展的系统配置。 当BES的数量增加或减少时,仅在节点之间传送管理信息而不是数据,从而获得高速查询处理所需的并行度。
    • 3. 发明授权
    • Method and system of database divisional management for parallel database system
    • 并行数据库系统数据库分区管理方法与系统
    • US06192359B1
    • 2001-02-20
    • US09429398
    • 1999-10-28
    • Masashi TsuchidaKazuo MasaiShunichi Torii
    • Masashi TsuchidaKazuo MasaiShunichi Torii
    • G06F1730
    • G06F9/5083G06F17/30584Y10S707/99932Y10S707/99933Y10S707/99934Y10S707/99938Y10S707/99953
    • A method and a system of database divisional management for use with a parallel database system comprising an FES (front end server), BES's (back end servers), an IOS (I/O server) and disk units. The numbers of processors assigned to the FES, BES's and IOS, the number of disk units, and the number of partitions of the disk units are determined in accordance with the load pattern in question. Illustratively, there may be established a configuration of one FES, four BES's, one IOS and eight disk units. The number of BES's is varied from one to four depending on the fluctuation in load, so that a scalable system configuration is implemented. When the number of BES's is increased or decreased, only the management information thereabout is transferred between nodes and not the data, whereby the desired degree of parallelism is obtained for high-speed query processing.
    • 一种与并行数据库系统一起使用的数据库分区管理方法和系统,包括FES(前端服务器),BES(后端服务器),IOS(I / O服务器)和磁盘单元。 根据所讨论的负载模式确定分配给FES,BES和IOS的处理器的数量,磁盘单元的数量和磁盘单元的分区数。 说明性地,可以建立一个FES,四个BES,一个IOS和八个磁盘单元的配置。 根据负载波动,BES的数量从1到4不等,从而实现可扩展的系统配置。 当BES的数量增加或减少时,仅在节点之间传送管理信息而不是数据,从而获得高速查询处理所需的并行度。