NDLI: The alice data quality monitoring system

Content Provider	IEEE Xplore Digital Library
Author	Telesca, A. von Haller, B. Chapeland, S. Carena, F. Carena, W. Barroso, V.C. Costa, F. Divia, R. Denes, E. Fuchs, U. Simonetti, G. Vande Vyvre, P.
Copyright Year	2010
Description	Author affiliation: CERN, European Organization for Nuclear Research CERN CH-1211 Genève 23 Switzerland (Telesca, A.; von Haller, B.; Chapeland, S.; Carena, F.; Carena, W.; Barroso, V.C.; Costa, F.; Divia, R.; Fuchs, U.; Simonetti, G.; Vande Vyvre, P.) \|\| KFKI Research Institute for Particle and Nuclear Physics, Budapest, Hungary (Denes, E.)
Abstract	ALICE (A Large Ion Collider Experiment) is a heavy-ion detector designed to study the physics of strongly interacting matter and the quark-gluon plasma at the CERN Large Hadron Collider (LHC). Due to the complexity of ALICE in terms of number of detectors and performance requirements, data quality monitoring (DQM) plays an essential role in providing an online feedback on the data being recorded. It intends to provide operators with precise and complete information to quickly identify and overcome problems, and, as a consequence, to ensure acquisition of high quality data. DQM typically involves the online gathering of data samples, their analysis by user-defined algorithms and the visualization of the monitoring results. In this paper, we illustrate the final design of the DQM software framework of ALICE, AMORE (Automatic Monitoring Environment), and its latest features and developments. We describe how this system is used to monitor the event data coming from the ALICE detectors allowing operators and experts to access a view of monitoring elements and to detect potential problems. Important features include the integration with the offline analysis and reconstruction framework and the interface with the electronic logbook that makes the monitoring results available everywhere through a web browser. Furthermore, we show the advantage of using multi-core processors through a parallel images/results production and the flexibility of the graphic user interface that gives to the user the possibility to apply filters and customize the visualization. We finally review the wide range of usage people make of this framework, from the basic monitoring of a single sub-detector to the most complex ones within the High Level Trigger farm or using the Prompt Reconstruction. We also describe the various ways of accessing the monitoring results. We conclude with our experience, after the LHC restart, when monitoring the data quality in a realworld and challenging environment.
Starting Page	1
Ending Page	6
File Size	2368022
Page Count	6
File Format	PDF
ISBN	9781424471089
e-ISBN	9781424471102
DOI	10.1109/RTC.2010.5750364
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-24
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Monitoring Data acquisition Databases Detectors Instruction sets Large Hadron Collider Graphical user interfaces
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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