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Moving the California distributed CMS XCache from bare metal into containers using Kubernetes

Fajardo, Edgar and Tadel, Matevz and Balcas, Justas and Tadel, Alja and Würthwein, Frank and Davila, Diego and Guiang, Jonathan and Sfiligoi, Igor (2020) Moving the California distributed CMS XCache from bare metal into containers using Kubernetes. EPJ Web of Conferences, 245 . Art. No. 04042. ISSN 2100-014X.

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The University of California system maintains excellent networking between its campuses and a number of other Universities in California, including Caltech, most of them being connected at 100 Gbps. UCSD and Caltech Tier2 centers have joined their disk systems into a single logical caching system, with worker nodes from both sites accessing data from disks at either site. This successful setup has been in place for the last two years. However, coherently managing nodes at multiple physical locations is not trivial and requires an update on the operations model used. The Pacific Research Platform (PRP) provides Kubernetes resource pool spanning resources in the science demilitarized zones (DMZs) in several campuses in California and worldwide. We show how we migrated the XCache services from bare-metal deployments into containers using the PRP cluster. This paper presents the reasoning behind our hardware decisions and the experience in migrating to and operating in a mixed environment.

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Additional Information:© The Authors, published by EDP Sciences, 2020. This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Published online: 16 November 2020. The authors would like to thank the different funding agencies for this work, in particular the National Science Foundation through the following grants: OAC-1541349, MPS-1148698, OAC-1836650, MPS-1624356, OAC-1826967.
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Record Number:CaltechAUTHORS:20201117-073106507
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Official Citation:Moving the California distributed CMS XCache from bare metal into containers using Kubernetes. Edgar Fajardo, Matevz Tadel, Justas Balcas, Alja Tadel, Frank Würthwein, Diego Davila, Jonathan Guiang and Igor Sfiligoi. EPJ Web Conf., 245 (2020) 04042; DOI:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:106688
Deposited By: Tony Diaz
Deposited On:17 Nov 2020 18:07
Last Modified:17 Nov 2020 18:07

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