HBase/Phoenix-based Data Collection and Storage for the ATLAS EventIndex
Carlos García Montoro,
Javier Sánchez,
Dario Barberis
et al.
Abstract:The ATLAS EventIndex is the global catalogue of all ATLAS real and simulated events. During the LHC long shutdown between Run 2 (20152018) and Run 3 (2022-2025) its components were substantially revised, and a new system was deployed for the start of Run 3 in Spring 2022. The new core storage system is based on HBase tables with a Phoenix interface. It allows faster data ingestion rates and scales better than the old system. This paper describes the data collection, the technical design of the core storage, an… Show more
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