The COMPASS Event Store in 2002
Venicio Duic, Massimo Lamanna
TL;DR
The paper discusses the implementation and experience of using Objectivity/DB and CASTOR for managing over 260 TB of data collected by the COMPASS experiment at CERN in 2002, highlighting system evolution.
Contribution
It presents the design, deployment, and operational experience of a large-scale database infrastructure for high-energy physics data management.
Findings
Successful handling of 260 TB data volume
Insights into database system performance and scalability
Evolution of data management infrastructure over time
Abstract
COMPASS, the fixed-target experiment at CERN studying the structure of the nucleon and spectroscopy, collected over 260 TB during summer 2002 run. All these data, together with reconstructed events information, were put from the beginning in a database infrastructure based on Objectivity/DB and on the hierarchical storage manager CASTOR. The experience in the usage of the database is reviewed and the evolution of the system outlined.
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