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STAR Data Reconstruction at NERSC/Cori, an adaptable Docker container approach for HPC
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STAR Data Reconstruction at NERSC/Cori, an adaptable Docker container approach for HPC
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Journal Article
STAR Data Reconstruction at NERSC/Cori, an adaptable Docker container approach for HPC
2017
Overview
As HPC facilities grow their resources, adaptation of classic HEP/NP workflows becomes a need. Linux containers may very well offer a way to lower the bar to exploiting such resources and at the time, help collaboration to reach vast elastic resources on such facilities and address their massive current and future data processing challenges. In this proceeding, we showcase STAR data reconstruction workflow at Cori HPC system at NERSC. STAR software is packaged in a Docker image and runs at Cori in Shifter containers. We highlight two of the typical end-to-end optimization challenges for such pipelines: 1) data transfer rate which was carried over ESnet after optimizing end points and 2) scalable deployment of conditions database in an HPC environment. Our tests demonstrate equally efficient data processing workflows on Cori/HPC, comparable to standard Linux clusters.
Publisher
IOP Publishing
Subject
