The New BaBar Data Reconstruction Control System

Technical Report · Mon Jun 02 04:00:00 EDT 2003

DOI:https://doi.org/10.2172/813186· OSTI ID:813186

Ceseracciu, Antonio ^[1]

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1. SLAC

The BaBar experiment is characterized by extremely high luminosity, a complex detector, and a huge data volume, with increasing requirements each year. To fulfill these requirements a new control system has been designed and developed for the offline data reconstruction system. The new control system described in this paper provides the performance and flexibility needed to manage a large number of small computing farms, and takes full benefit of OO design. The infrastructure is well isolated from the processing layer, it is generic and flexible, based on a light framework providing message passing and cooperative multitasking. The system is actively distributed, enforces the separation between different processing tiers by using different naming domains, and glues them together by dedicated brokers. It provides a powerful Finite State Machine framework to describe custom processing models in a simple regular language. This paper describes this new control system, currently in use at SLAC and Padova on {approx}450 CPUs organized in 12 farms.

• Research Organization: Stanford Linear Accelerator Center, Menlo Park, CA (US)
• Sponsoring Organization: USDOE Office of Science (US)
• DOE Contract Number: AC03-76SF00515
• OSTI ID: 813186
• Report Number(s): SLAC-PUB-9873
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
CONTROL SYSTEMS
DESIGN
FARMS
FLEXIBILITY
LUMINOSITY
PERFORMANCE
PROCESSING
STANFORD LINEAR ACCELERATOR CENTER