engleski

CMS Online Data Quality Monitoring: Real-Time Event Processing Infrastructure

The CMS experiment is one of the large experiments at the LHC at CERN. The CMS online data quality monitoring (DQM) system comprises a number of software components for the distribution, processing and visualization of event data. Already before the year 2010 the system had been successfully developed, deployed and operated in previous data challenges with cosmic ray muons and LHC beams. In preparation for the LHC data taking period of 2010, the performance and efficiency of the infrastructure was evaluated and a number of improvements were implemented with the goal to improve the robustness and data throughput of the system and to minimize the operation and maintenance effort. In this report the main considerations and achieved improvements are described.

data acquisition ; dqm ; online computing

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