高性能实时数据库系统组件设计,可以解决电力、通讯、石油、化工、冶金、制造业等产业型企业,进行信息化与自动化系统建设时,所面临的管理信息系统与SCADA(Super Control and Data Acquisition)系统怎样进行实时信息交换的问题,以及在...高性能实时数据库系统组件设计,可以解决电力、通讯、石油、化工、冶金、制造业等产业型企业,进行信息化与自动化系统建设时,所面临的管理信息系统与SCADA(Super Control and Data Acquisition)系统怎样进行实时信息交换的问题,以及在网络环境下怎样实现不同平台的应用系统的信息共享问题,怎样提供标准和开放的访问实时信息的方法问题,以及如何提供方便的在线维护实时数据信息点的手段问题。建立在基于TCP/IP协议的客户机/服务器模式和“查询”、“Push”和点对点(Peer To Peer)主动数据传递方式的数据通信技术的层次化网络SCADA(Super Controland Data Acquisition)模型上的实时数据库系统组件(Real Time Database,简称RT-DB),完全满足产业型企业高速数据通信、高可用性、系统稳定性、可维护性等高性能指标的需要,可以充分解决上述问题。实践证明,应用高性能实时数据库组件提升产业性企业的信息化与自动化系统的性能是十分有效的方法。展开更多
Providing efficient access to more than 300TB of experiment data is the responsibility of the BaBar^1 Databases Group.Unlike generic tools,The Event Browser presents users with an abstraction of the BaBar data model.M...Providing efficient access to more than 300TB of experiment data is the responsibility of the BaBar^1 Databases Group.Unlike generic tools,The Event Browser presents users with an abstraction of the BaBar data model.Multithreaded CORBA^2 servers perform database operations using small transactions in an effort to avoid lock contention issues and provide adequate response times.The GUI client is implemented in Java and can be easily deployed throughout the community in the form of a web applet.The browser allows users to examine collections of related physics events and identify associations between the collections and the physical files in which they reside,helping administrators distribute data to other sites worldwide,This paper discusses the various aspects of the Event Browser including requirements,design challenges and key features of the current implementation.展开更多
文摘高性能实时数据库系统组件设计,可以解决电力、通讯、石油、化工、冶金、制造业等产业型企业,进行信息化与自动化系统建设时,所面临的管理信息系统与SCADA(Super Control and Data Acquisition)系统怎样进行实时信息交换的问题,以及在网络环境下怎样实现不同平台的应用系统的信息共享问题,怎样提供标准和开放的访问实时信息的方法问题,以及如何提供方便的在线维护实时数据信息点的手段问题。建立在基于TCP/IP协议的客户机/服务器模式和“查询”、“Push”和点对点(Peer To Peer)主动数据传递方式的数据通信技术的层次化网络SCADA(Super Controland Data Acquisition)模型上的实时数据库系统组件(Real Time Database,简称RT-DB),完全满足产业型企业高速数据通信、高可用性、系统稳定性、可维护性等高性能指标的需要,可以充分解决上述问题。实践证明,应用高性能实时数据库组件提升产业性企业的信息化与自动化系统的性能是十分有效的方法。
文摘Providing efficient access to more than 300TB of experiment data is the responsibility of the BaBar^1 Databases Group.Unlike generic tools,The Event Browser presents users with an abstraction of the BaBar data model.Multithreaded CORBA^2 servers perform database operations using small transactions in an effort to avoid lock contention issues and provide adequate response times.The GUI client is implemented in Java and can be easily deployed throughout the community in the form of a web applet.The browser allows users to examine collections of related physics events and identify associations between the collections and the physical files in which they reside,helping administrators distribute data to other sites worldwide,This paper discusses the various aspects of the Event Browser including requirements,design challenges and key features of the current implementation.
