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Abstract <p>The ATLAS EventIndex is the complete catalogue of all ATLAS real and simulated events, keeping the references to all permanent files that contain a given event in any processing stage. The Event Picking Service (EPS) automates the procedure of finding the locations of large numbers of events, extracting and collecting them into separate files. It supports different formats of events and has an elastic workflow for different input data. This article describes the different types of errors that occur while performing different workflows and threads. It also describes methods for automating the processing of such errors to ensure the stability and uninterrupted operation of the service.</p>

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Methods for Automating Error Handling in the Event Picking Service of the ATLAS Experiment

  • 期刊论文

  • 发表日期：

    2026年7月20日

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  • E. I. Alexandrov,
  • I. N. Alexandrov,
  • D. Barberis,
  • A. V. Yakovlev

摘要

Abstract

The ATLAS EventIndex is the complete catalogue of all ATLAS real and simulated events, keeping the references to all permanent files that contain a given event in any processing stage. The Event Picking Service (EPS) automates the procedure of finding the locations of large numbers of events, extracting and collecting them into separate files. It supports different formats of events and has an elastic workflow for different input data. This article describes the different types of errors that occur while performing different workflows and threads. It also describes methods for automating the processing of such errors to ensure the stability and uninterrupted operation of the service.