Throughput Computing 2025

Session

Joint CMS and US-ATLAS Session

Jun 5, 2025, 9:00 AM

Howard Auditorium (Fluno Center on the University of Wisconsin-Madison Campus)

Conveners

Joint CMS and US-ATLAS Session: Monitoring and Measuring

• Andrew Melo (Vanderbilt University)
• Shawn McKee (University of Michigan)

Joint CMS and US-ATLAS Session: WLCG (Mini) Data Challenges

• Andrew Melo (Vanderbilt University)
• Shawn McKee (University of Michigan)

Joint CMS and US-ATLAS Session: AI/ML, Tools and Operations

• Andrew Melo (Vanderbilt University)
• Shawn McKee (University of Michigan)

Joint CMS and US-ATLAS Session: Analysis Facilities (AFs)

• Lincoln Bryant (University of Chicago)
• Hironori Ito (Brookhaven National Laboratory)

Description

We have a common notes and action items document at:
https://docs.google.com/document/d/1y3V4HKGQ8EMUTxH9_MDCqegtA8sGeNtu6UmFk2fRyLQ/edit?usp=sharing

Presentation materials

Agenda notes and action items

65. Networking: perfSONAR, SciTags and WLCG Site network monitoring

Shawn McKee (University of Michigan)

6/5/25, 9:00 AM

66. Tape Archival at Tier-2s

Maxim Goncharov (MIT), Rafael Coelho Lopes de Sa (University of Massachusetts Amherst)

6/5/25, 9:15 AM

Experiences with running tape storage systems at ATLAS and CMS Tier-2s

67. Discussion on next steps and joint work

Andrew Melo (Vanderbilt University), Shawn McKee (University of Michigan)

6/5/25, 9:40 AM

68. Capacity Challenges

Hironori Ito (Brookhaven National Laboratory)

6/5/25, 11:00 AM

Discuss tools and options for the next capacity challenge.

69. Capability Challenge: SENSE/Rucio

Diego Davila (UCSD), Justas Balcas (ESnet)

6/5/25, 11:15 AM

Discuss plans for SENSE/Rucio testing for USATLAS/USCMS

70. Capability Challenge: Netbird/Wireguard

Lincoln Bryant (University of Chicago)

6/5/25, 11:30 AM

71. Discussion & Planning

Andrew Melo (Vanderbilt University), Shawn McKee (University of Michigan)

6/5/25, 11:45 AM

Discuss capacity and capability challenges. Which are we interesting in pursuing? Who will participate? When to schedule?

72. HEPCDN: Exploring NGINX for Content Distribution

Andrew Melo (Vanderbilt University)

6/5/25, 1:30 PM

73. CANCELED: Data Streaming as a Service

Alexei Klimentov (Brookhaven National Lab)

6/5/25, 1:45 PM

Presentation/discussion canceled.

74. AI/ML Introduction and Discussion

Ilija Vukotic (University of Chicago)

6/5/25, 2:00 PM

Quick overview of AI/ML in WLCG so far
Needs for AI/ML for Infrastructure AND Infrastructure for AI/ML
Funding opportunities
Next step, areas on common interest/effort?

75. Introduction and Overview for AFs in WLCG

Lincoln Bryant (University of Chicago)

6/5/25, 3:05 PM

76. AF Discussion

Hironori Ito (Brookhaven National Laboratory), Lincoln Bryant (University of Chicago)

6/5/25, 3:20 PM

Shared development and prototyping for AFs?
Storage technologies to support AFs (Carlos Gamboa ?, 10 minutes)
Joint AFs: Can we “share” AFs between experiments: Belle II and ATLAS or Dune and CMS, etc ? (Hiro/Ofer/Lincoln ?)
Can we agree on a minimum baseline for AFs?
Standard “login”