arXiv cs/03060202003-06-04cs.DB

接近1 PB--BaBar数据库系统背后的故事

On the Verge of One Petabyte - the Story Behind the BaBar Database System

Adeyemi Adesanya, Tofigh Azemoon, Jacek Becla, Andrew Hanushevsky, Adil Hasan, Wilko Kroeger, Artem Trunov, Daniel Wang, Igor Gaponenko, Simon Patton, David Quarrie

备注：: Talk from the 2003 Computing in High Energy and Nuclear Physics (CHEP03), La Jolla, Ca, USA, March 2003, 6 pages. PSN MOKT010

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摘要：

BaBar数据库是HEP社区中使用商业ODBMS的先驱。Objectivity/DB独特的面向对象架构使其能够管理自99年5月以来生成的超过700 TB的生产数据，使BaBar数据库成为世界上最大的已知数据库。正在进行的开发包括新功能，解决了探测器不断增加的亮度以及其他不断变化的物理要求。目前正在作出重大努力，以减少空间需求和业务费用。本文讨论了我们的经验，开发一个大型数据库系统，强调普遍的方面，可适用于任何大型系统，独立的底层技术使用。

英文摘要：

The BaBar database has pioneered the use of a commercial ODBMS within the HEP community. The unique object-oriented architecture of Objectivity/DB has made it possible to manage over 700 terabytes of production data generated since May'99, making the BaBar database the world's largest known database. The ongoing development includes new features, addressing the ever-increasing luminosity of the detector as well as other changing physics requirements. Significant efforts are focused on reducing space requirements and operational costs. The paper discusses our experience with developing a large scale database system, emphasizing universal aspects which may be applied to any large scale system, independently of underlying technology used.

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