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The architecture and operation of the CMS Tier-0
2011
Journal of Physics, Conference Series
The Tier-0 processing system is the initial stage of the multi-tiered computing system of CMS. It takes care of the first processing steps of data at the LHC at CERN. The automated workflows running in the Tier-0 contain both low-latency processing chains for time-critical applications and bulk chains to archive the recorded data offsite the host laboratory. It is a mix between an online and offline system, because the data the CMS DAQ writes out initially is of a temporary nature. Most of the
doi:10.1088/1742-6596/331/3/032017
fatcat:4o5c7wvhv5cwhd7x7rgmcuaouq