Production System of the SPD Experiment

The Spin Physics Detector (SPD) experiment at the Nuclotron-based Ion Collider fAcility (NICA) collider at Joint Institute for Nuclear Research (JINR) is under construction. But despite this, processing requests for simulation and reconstruction algorithms tuning already require significant computing resources, and the results of data processing occupy a fairly large disk space. For example, a standard request for the generation of 20 million events involves two data production steps (simulation and reconstruction) and the generation of 10 terabytes of data and 15 thousand output files, not taking into account service files with processing logs. It is clear that in order to quickly produce the required data sets, it is necessary to create a system that would automate the generation of jobs, distribute them across available computing resources and manage the output data. To solve this problem, a production system for the SPD experiment is being developed. This system is created in line with the data streams recorded in the technical design report (TDR) of the experiment, and should ensure their reliable storage and processing. The current status of work on the creation of a production system for the SPD experiment is presented in this manuscript.