Speaker
Dr
Philippe Calfayan
(Ludwig-Maximilians-University Munich)
Description
The PROOF (Parallel ROOT Facility) library is designed to perform parallelized
ROOT-based analyses with a heterogeneous cluster of computers.
The installation, configuration and monitoring of PROOF have been carried out
using the Grid-Computing environments dedicated to the ATLAS experiment.
A PROOF cluster hosted at the Leibniz Rechenzentrum (LRZ) and consisting of a
scalable amount of worker nodes has been exploited in order to conduct the
performance tests in the case of interactive ATLAS analyses. Scenarios of
various complexities have been considered to exercise PROOF with ATLAS data
and evaluate its utilization in actual conditions. The investigation of the
PROOF performance has been done by varying the number of parallelized
processing units, the amount of simultaneous users, and the type of the file
storage. Strategies based on local files, dCache, and Lustre have been
compared.
| Presentation type (oral | poster) | poster |
|---|
Primary author
Dr
Philippe Calfayan
(Ludwig-Maximilians-University Munich)
Co-author
Dr
Matthias Schott
(CERN)
