| Summary: | 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 industrystandard
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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