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Title: Efficient Monitoring of CRAB Jobs at CMS

Abstract

CRAB is a tool used for distributed analysis of CMS data. Users can submit sets of jobs with similar requirements (tasks) with a single request. CRAB uses a client-server architecture, where a lightweight client, a server, and ancillary services work together and are maintained by CMS operators at CERN. As with most complex software, good monitoring tools are crucial for efficient use and longterm maintainability. This work gives an overview of the monitoring tools developed to ensure the CRAB server and infrastructure are functional, help operators debug user problems, and minimize overhead and operating cost. This work also illustrates the design choices and gives a report on our experience with the tools we developed and the external ones we used.

Authors:
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [8]; ORCiD logo [5]
  1. Sao Paulo, IFT
  2. Caltech
  3. INFN, Trieste
  4. INFN, Perugia
  5. Fermilab
  6. Vilnius U.
  7. Sofiya U.
  8. Madrid, CIEMAT
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1415638
Report Number(s):
FERMILAB-CONF-17-578-CD
1638628
DOE Contract Number:
AC02-07CH11359
Resource Type:
Conference
Resource Relation:
Journal Name: J.Phys.Conf.Ser.; Journal Volume: 898; Journal Issue: 9; Conference: 22nd International Conference on Computing in High Energy and Nuclear Physics, San Francisco, CA, 10/10-10/14/2016
Country of Publication:
United States
Language:
English

Citation Formats

Silva, J. M.D., Balcas, J., Belforte, S., Ciangottini, D., Mascheroni, M., Rupeika, E. A., Ivanov, T. T., Hernandez, J. M., and Vaandering, E. Efficient Monitoring of CRAB Jobs at CMS. United States: N. p., 2017. Web. doi:10.1088/1742-6596/898/9/092036.
Silva, J. M.D., Balcas, J., Belforte, S., Ciangottini, D., Mascheroni, M., Rupeika, E. A., Ivanov, T. T., Hernandez, J. M., & Vaandering, E. Efficient Monitoring of CRAB Jobs at CMS. United States. doi:10.1088/1742-6596/898/9/092036.
Silva, J. M.D., Balcas, J., Belforte, S., Ciangottini, D., Mascheroni, M., Rupeika, E. A., Ivanov, T. T., Hernandez, J. M., and Vaandering, E. Wed . "Efficient Monitoring of CRAB Jobs at CMS". United States. doi:10.1088/1742-6596/898/9/092036. https://www.osti.gov/servlets/purl/1415638.
@article{osti_1415638,
title = {Efficient Monitoring of CRAB Jobs at CMS},
author = {Silva, J. M.D. and Balcas, J. and Belforte, S. and Ciangottini, D. and Mascheroni, M. and Rupeika, E. A. and Ivanov, T. T. and Hernandez, J. M. and Vaandering, E.},
abstractNote = {CRAB is a tool used for distributed analysis of CMS data. Users can submit sets of jobs with similar requirements (tasks) with a single request. CRAB uses a client-server architecture, where a lightweight client, a server, and ancillary services work together and are maintained by CMS operators at CERN. As with most complex software, good monitoring tools are crucial for efficient use and longterm maintainability. This work gives an overview of the monitoring tools developed to ensure the CRAB server and infrastructure are functional, help operators debug user problems, and minimize overhead and operating cost. This work also illustrates the design choices and gives a report on our experience with the tools we developed and the external ones we used.},
doi = {10.1088/1742-6596/898/9/092036},
journal = {J.Phys.Conf.Ser.},
number = 9,
volume = 898,
place = {United States},
year = {Wed Nov 22 00:00:00 EST 2017},
month = {Wed Nov 22 00:00:00 EST 2017}
}

Conference:
Other availability
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