G. Avolio
YOU?
Author Swipe
View article: Evolution of the ATLAS TDAQ online software framework towards Phase-II upgrade: Use of Kubernetes as an orchestrator of the ATLAS Event Filter computing farm
Evolution of the ATLAS TDAQ online software framework towards Phase-II upgrade: Use of Kubernetes as an orchestrator of the ATLAS Event Filter computing farm Open
The ATLAS experiment at the LHC at CERN continuously evolves its TDAQ system to meet the challenges of new physics goals and technological advancements. As ATLAS prepares for the Phase-II Run 4 of the LHC, significant enhancements in the T…
View article: DeepHYDRA: A Hybrid Deep Learning and DBSCAN-Based Approach to Time-Series Anomaly Detection in Dynamically-Configured Systems
DeepHYDRA: A Hybrid Deep Learning and DBSCAN-Based Approach to Time-Series Anomaly Detection in Dynamically-Configured Systems Open
Anomaly detection in distributed systems such as High-Performance Computing (HPC) clusters is vital for early fault detection, performance optimisation, security monitoring, reliability in general but also operational insights. Deep Neural…
View article: Performance Evaluation of Modern Time-Series Database Technologies for the ATLAS Operational Monitoring Data Archiving Service
Performance Evaluation of Modern Time-Series Database Technologies for the ATLAS Operational Monitoring Data Archiving Service Open
The Trigger and Data Acquisition system of the ATLAS experiment at the Large Hadron Collider at CERN is composed of a large number of distributed hardware and software components which provide the data-taking functionality of the overall s…
View article: USAGE OF TIME SERIES DATABASES IN THE GRAFANA PLATFORM FOR THE NETIS SERVICE
USAGE OF TIME SERIES DATABASES IN THE GRAFANA PLATFORM FOR THE NETIS SERVICE Open
NetIs is a service used to monitor the Data Acquisition network of the ATLAS experiment. The firstversion was developed at CERN in 2010. Over the years, the need to replace NetIs with an improvedservice emerged. Indeed, the effort to maint…
View article: The Controls and Configuration Software of the ATLAS Data Acquisition System: evolution towards LHC Run 3
The Controls and Configuration Software of the ATLAS Data Acquisition System: evolution towards LHC Run 3 Open
The ATLAS experiment at the Large Hadron Collider (LHC) operated very successfully in the years 2008 to 2018, in two periods identified as Run 1 and Run 2. ATLAS achieved an overall data-taking efficiency of 94%, largely constrained by the…
View article: The Controls and Configuration Software of the Atlas Data Acquisition System for LHC Run 2
The Controls and Configuration Software of the Atlas Data Acquisition System for LHC Run 2 Open
The ATLAS experiment at the Large Hadron Collider (LHC) operated very successfully in the years 2008 to 2013, a period identified as Run 1. ATLAS achieved an overall data-taking efficiency of 94%, largely constrained by the irreducible dea…
View article: ELisA: the ATLAS logbook facility extensions
ELisA: the ATLAS logbook facility extensions Open
Information concerning the operation, configuration and behavior of the ATLAS experiment needs to be reported, gathered and shared reliably with the whole ATLAS community which comprises over three thousand scientists geographically distri…
View article: Performance evaluation of distributed file systems for the phase-II upgrade of the ATLAS experiment at CERN
Performance evaluation of distributed file systems for the phase-II upgrade of the ATLAS experiment at CERN Open
Over the next few years, the LHC will prepare for the upcoming High-Luminosity upgrade in which it is expected to deliver ten times more pp collisions. This will create a harsher radiation environment and higher detector occupancy. In this…
View article: Multi-threaded checksum computation for ATLAS high-performance storage software
Multi-threaded checksum computation for ATLAS high-performance storage software Open
ATLAS is one of the general purpose experiments observing hadron collisions at the LHC at CERN. Its trigger and data acquisition system (TDAQ) is responsible for selecting and transporting interesting physics events from the detector to pe…
View article: Evaluating InfluxDB and ClickHouse database technologies for improvements of the ATLAS operational monitoring data archiving
Evaluating InfluxDB and ClickHouse database technologies for improvements of the ATLAS operational monitoring data archiving Open
The Trigger and Data Acquisition system of the ATLAS experiment at the Large Hadron Collider at CERN is composed of a large number of distributed hardware and software components which provide the data-taking functionality of the overall s…
View article: ATLAS Operational Monitoring Data Archival and Visualization
ATLAS Operational Monitoring Data Archival and Visualization Open
The Information Service (IS) is an integral part of the Trigger and Data Acquisition (TDAQ) system of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. The IS allows online publication of operational monitoring data, and it …
View article: The ATLAS Access Manager Policy Browser: state-of-the-art web technologies for a rich and interactive data visualization experience
The ATLAS Access Manager Policy Browser: state-of-the-art web technologies for a rich and interactive data visualization experience Open
The ATLAS experiment is operated daily by many users and experts working concurrently on several aspects of the detector. The safe and optimal access to the various software and hardware resources of the experiment is guaranteed by a role-…
View article: Experience with Shifter Assistant - an intelligent tool to help operations of ATLAS TDAQ System in LHC Run 2
Experience with Shifter Assistant - an intelligent tool to help operations of ATLAS TDAQ System in LHC Run 2 Open
The Trigger and DAQ (TDAQ) system of the ATLAS experiment is a complex distributed computing system, composed of O (10, 000) of applications running on more than 2,500 computers. The system is operated by a crew of operators on shift. An i…
View article: Evaluating Kubernetes as an orchestrator of the Event Filter computing farm of the Trigger and Data Acquisition system of the ATLAS experiment at the Large Hadron Collider
Evaluating Kubernetes as an orchestrator of the Event Filter computing farm of the Trigger and Data Acquisition system of the ATLAS experiment at the Large Hadron Collider Open
The ATLAS experiment at the LHC relies on a complex and distributed Trigger and Data Acquisition (TDAQ) system to gather and select particle collision data. The Event Filter (EF) component of the TDAQ system is responsible for executing ad…
View article: The ATLAS Experiment at the CERN Large Hadron Collider
The ATLAS Experiment at the CERN Large Hadron Collider Open
The ATLAS detector as installed in its experimental cavern at point 1 at CERN is described in this paper. A brief overview of the expected performance of the detector when the Large Hadron Collider begins operation is also presented.
View article: Test Management Framework for the Data Acquisition of the ATLAS Experiment
Test Management Framework for the Data Acquisition of the ATLAS Experiment Open
Data Acquisition (DAQ) of the ATLAS experiment is a large distributed and inhomogeneous system: it consists of thousands of interconnected computers and electronics devices that operate coherently to read out and select relevant physics da…
View article: Experience with SPLUNK for archiving and visualisation of operational data in ATLAS TDAQ system
Experience with SPLUNK for archiving and visualisation of operational data in ATLAS TDAQ system Open
The ATLAS Trigger and Data Acquisition (TDAQ) is a large, distributed system composed of several thousands interconnected computers and tens of thousands software processes (applications). Applications produce a large amount of operational…
View article: Test Management Framework for the ATLAS Experiment
Test Management Framework for the ATLAS Experiment Open
Test Management Framework for the Data Acquisition of the ATLAS Experiment Data Acquisition (DAQ) of the ATLAS experiment is a large distributed and inhomogeneous system: it consists of thousands of interconnected computers and electronics…
View article: A web-based solution to visualize operational monitoring data in the Trigger and Data Acquisition system of the ATLAS experiment at the LHC
A web-based solution to visualize operational monitoring data in the Trigger and Data Acquisition system of the ATLAS experiment at the LHC Open
The Trigger and Data Acquisition (TDAQ) system of the ATLAS detector at the Large Hadron Collider at CERN is composed of a large number of distributed hardware and software components (about 3000 computers and more than 25000 applications)…
View article: The Resource Manager the ATLAS Trigger and Data Acquisition System
The Resource Manager the ATLAS Trigger and Data Acquisition System Open
The Resource Manager is one of the core components of the Data Acquisition system of the ATLAS experiment at the LHC. The Resource Manager marshals the right for applications to access resources which may exist in multiple but limited copi…
View article: A Validation System for the Complex Event Processing Directives of the ATLAS Shifter Assistant Tool
A Validation System for the Complex Event Processing Directives of the ATLAS Shifter Assistant Tool Open
Complex Event Processing (CEP) is a methodology that combines data from many sources in order to identify events or patterns that need particular attention. It has gained a lot of momentum in the computing world in the past few years and i…
View article: Intelligent operations of the data acquisition system of the ATLAS experiment at LHC
Intelligent operations of the data acquisition system of the ATLAS experiment at LHC Open
The ATLAS experiment at the Large Hadron Collider at CERN relies on a complex and highly distributed Trigger and Data Acquisition (TDAQ) system to gather and select particle collision data obtained at unprecedented energy and rates. The Ru…
View article: Expected performance of the ATLAS experiment - detector, trigger and physics
Expected performance of the ATLAS experiment - detector, trigger and physics Open
A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance of b-tagging and the trigger. The physi…
View article: Upgrade of the ATLAS Control and Configuration Software for Run 2
Upgrade of the ATLAS Control and Configuration Software for Run 2 Open
The ATLAS data acquisition (DAQ) system is controlled and configured via a software infrastructure that takes care of coherently orchestrating the data taking. While the overall architecture, established at the end of the 90’s, has proven …