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Andrew Bohdan Hanushevsky (SLAC National Accelerator Laboratory (US))15/10/2025, 14:00
Past developments.
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Guilherme Amadio (CERN)15/10/2025, 14:20
What we are looking to and when.
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Andrew Bohdan Hanushevsky (SLAC National Accelerator Laboratory (US)), Guilherme Amadio (CERN)15/10/2025, 14:40
Where to find it and how to drive it.
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David Smith (CERN)15/10/2025, 15:30
15 min
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Pablo Collado Soto (Universidad Autonoma de Madrid (ES))15/10/2025, 15:45
High-Energy Physics (HEP) experiments rely on complex and large scale networks spanning vast geographical areas and interconnecting heterogeneous sites, data centres and instruments. Managing these networks in the face of high-intensity data flows such as those intrinsic to HEP workflows poses a significant operational and administrative challenge. These conditions are expected to worsen in...
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Brian Paul Bockelman (University of Wisconsin Madison (US))15/10/2025, 16:15
Do you know what your XRootD-based service is doing?!
Monitoring is a key part of distributing data and information can be gathered from the network or storage layer at the client or server. Each data point provides insight into how the service is performing and where further investigation may be needed.
This talk will overview the monitoring statistics the Pelican project has found...
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Andrew Bohdan Hanushevsky (SLAC National Accelerator Laboratory (US))15/10/2025, 16:35
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Alja Mrak Tadel (UCSD)16/10/2025, 09:30
20 Minute talk
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Matevz Tadel (Univ. of California San Diego (US))16/10/2025, 09:50
20 Minutes
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Brian Paul Bockelman (University of Wisconsin Madison (US))16/10/2025, 10:10
The NSF-funded Pelican project provides a software platform for data federations for the broad US's Science and Engineering community. The flagship instance of Pelican is the Open Science Data Federation (OSDF) which moves over 100PB a year and connects data from a broad set of science domains, from particle physics to earth systems.
Peeling back enough layers and you'll find an xrootd...
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Brian Paul Bockelman (University of Wisconsin Madison (US))16/10/2025, 11:00
What can your XRootD server do?
The Open Storage Service (OSS) provides a plugin interface allowing one to manage how the server interacts with the underlying storage. This allows XRootD to do more than interact with a POSIX filesystem; plugins can work with other storage (such as HTTP, S3, multiple POSIX users, or Globus) or stack on top of other plugins (filtering the visible filesystem,...
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Andrew Bohdan Hanushevsky (SLAC National Accelerator Laboratory (US))16/10/2025, 11:20
Oss overlay plug-in to provide Rucio dataset backuos
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Brian Paul Bockelman (University of Wisconsin Madison (US))16/10/2025, 11:40
The XRootD client exports a flexible asynchronous plugin interface that allows the client to manage protocols beyond the core
xroot.This talk will review the plugins managed by the Pelican project. While the core
Go to contribution pagepelican://protocol will remain internal to the project, it is layered on top of a basic HTTPS plugin that has no dependencies beyond libcurl. The same libcurl plugin also... -
David Smith (CERN)16/10/2025, 12:00
15 minutes
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Jyothish Thomas (STFC)16/10/2025, 12:15
An update on streamed checksum for XrdCeph
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Costin Grigoras (CERN)16/10/2025, 14:00
Authors:
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Costin Grigoras, Adrian Sevcenco
In the ALICE experiment Xrootd is the foundational protocol for all data interactions. It is the sole method for engaging with the 52 storage endpoints and the Xrootd client library and the command line utilities are integral to a wide range of tasks. These tasks include operations carried out by job agents, ROOT-based applications, user shells, and... -
Katy Ellis (Science and Technology Facilities Council STFC (GB))16/10/2025, 14:20
A round-up of recent XRootD-related work at RAL
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James William Walder (Science and Technology Facilities Council STFC (GB))16/10/2025, 14:40
Recent development at SKA
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Horst Severini (University of Oklahoma (US))16/10/2025, 14:55
20 Minute talk
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Rahul Chauhan (University of Wisconsin Madison (US))16/10/2025, 15:15
This talk will present the refactoring of the HTTP-TPC subsystem in XRootD aimed at improving efficiency and maintainability. The update addresses overhead from creating and destroying libcurl contexts for every transfer by introducing a persistent worker-pool model that reuses connections and manages transfer queues. This talk will outline the motivation behind this change, the key...
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Jyothish Thomas (STFC)16/10/2025, 16:00
An admin dashboard for automating bulk operations and monitoring over an XRootD server cluster
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Ian Erbacher, Sarah Yang, Wei Yang (SLAC National Accelerator Laboratory (US))16/10/2025, 16:20
Xrootd has lots of concepts and configuration options. Xrootd also has a set of comprehensive reference documents on its website to explain them. Yet Google's AI-based search engine
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seems to prefer other Xrootd-related Wiki pages and how-to documents. We would like to understand the reason, if we ever want to build an "AskXrootd" chatbot. In this work, we developed our own Retrieval... -
Fabio Andrijauskas (Univ. of California San Diego (US))16/10/2025, 16:40
Research has become dependent on processing power and storage, one crucial aspect being data sharing. The Open Science Data Federation (OSDF) project aims to create a scientific global data distribution network based on the Pelican Platform. OSDF does not develop new software but relies on the XrootD and Pelican projects. Nevertheless, OSDF must understand the XrootD limits under various...
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Diego Davila Foyo (Univ. of California San Diego (US))16/10/2025, 17:00
In this presentation we will talk about how we have been working, together with the XRootD team, towards easing the multi-subnet deployments needed by SENSE
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Rahul Chauhan (University of Wisconsin Madison (US))16/10/2025, 17:20
This session will discuss ongoing efforts to improve the clarity and consistency of WebDAV error reporting in XRootD. The initiative focuses on standardising and defining numeric codes within HTTP error messages, as recommended by WLCG, so that clients can better interpret and act on them, especially given the limited range of HTTP status codes. The talk will present examples of current...
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Andrew Bohdan Hanushevsky (SLAC National Accelerator Laboratory (US))17/10/2025, 09:00
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Guilherme Amadio (CERN)17/10/2025, 09:30
In this contribution, we will discuss changes to the release management and release cycle of XRootD, as well updates to the development model.
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Guilherme Amadio (CERN)17/10/2025, 09:45
In this contribution, we will present the current continuous integration infrastructure for XRootD on GitHub, which uses GitHub Actions. We will also show how to perform several of the tasks required during development, such as running the test suite locally and on GitHub Actions, enabling the CI on a fork repository, running CI builds on demand, and some auxiliary tools which we currently...
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