000000525 001__ 525
000000525 005__ 20170309122230.0
000000525 037__ $$aBELLE2-CONF-PROC-2017-014
000000525 041__ $$aeng
000000525 100__ $$aHideki Miyake1
000000525 245__ $$aBelle II production system
000000525 260__ $$a$$c2015-04-13
000000525 300__ $$a7
000000525 520__ $$a The Belle II experiment will record a similar quantity of data to LHC experiments and will acquire it at similar rates. This requires considerable computing, storage and network resources to handle not only data created by the experiment but also considerable amounts of simulated data. Consequently Belle II employs a distributed computing system to provide the resources coordinated by the the DIRAC interware. DIRAC is a general software framework that provides a unified interface among heterogeneous computing resources. In addition to the well proven DIRAC software stack, Belle II is developing its own extension called BelleDIRAC. BelleDIRAC provides a transparent user experience for the Belle II analysis framework (basf2) on various environments and gives access to file information managed by LFC and AMGA metadata catalog. By unifying DIRAC and BelleDIRAC functionalities, Belle II plans to operate an automated mass data processing framework named a “production system”. The Belle II production system enables large-scale raw data transfer from experimental site to raw data centers, followed by massive data processing, and smart data delivery to each remote site. The production system is also utilized for simulated data production and data analysis. Although development of the production system is still on-going, recently Belle II has prepared prototype version and evaluated it with a large scale simulated data production. In this presentation we will report the evaluation of the prototype system and future development plans.
000000525 8560_ $$fkooktae.kim@desy.de
000000525 8564_ $$uhttps://docs.belle2.org/record/525/files/BELLE2-CONF-PROC-2017-014.pdf