Performance of the Belle II Conditions Database

Sumitted to PubDB: 2018-10-31

Category: Proceeding, Visibility: Public

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Authors Marko Bracko, Todd Elsethagen, Kevin Fox, Carlos Gamboa, Thomas Kuhr, Martin Ritter, Lynn Wood
Date Oct. 31, 2018
Belle II Number BELLE2-CONF-PROC-2018-021
Abstract The Belle II experiment at KEK observed its first collisions in the summer of 2018. Processing the large amounts of data that will be produced requires conditions data to be readily available to systems worldwide in a fast and efficient manner that is straightforward for both the user and maintainer. This was accomplished by relying on industry-standard tools and methods: the conditions database is built as an HTTP REST service using tools such as Swagger for the API interface development, Payara for the Java EE application server, and Squid for the caching proxy. This article presents the design of the Belle II conditions database production environment as well as details about the capabilities and performance during both Monte Carlo campaigns and data reprocessing.

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