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calibrations.xml: use HTTPS(epic-data) instead of XRootD for Low-Q2_Steering_Reconstruction.onnx#1062

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calibrations.xml: use HTTPS(epic-data) instead of XRootD for Low-Q2_Steering_Reconstruction.onnx#1062
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@veprbl veprbl commented Mar 13, 2026

I'm told xrdtest is not a great path for the file. While we are moving out (to Rucio), I'd like to suggest decommissioning the direct URL for XRootD.

We have a CI action that may upload to XRootD, but we can agree that it's still okay to write to xrdtest for temporary artifacts.

…Steering_Reconstruction.onnx`

I'm told `xrdtest` is not a great path for the file. While we are moving out (to Rucio), I'd like to suggest decommissioning the direct URL for XRootD.

We have a CI action that may upload to XRootD, but we can agree that it's still okay to write to xrdtest for temporary artifacts.
@veprbl veprbl requested review from Copilot and simonge March 13, 2026 20:11
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Pull request overview

Updates the ONNX calibration artifact source to avoid using the xrdtest XRootD path by switching to an HTTPS URL hosted in eic/epic-data.

Changes:

  • Replaced the XRootD root://.../xrdtest/... URL for Low-Q2_Steering_Reconstruction.onnx with an HTTPS GitHub-hosted URL.
  • Keeps the existing epic_FileLoader caching + local path behavior intact.

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Comment thread compact/calibrations.xml
Comment thread compact/calibrations.xml
Comment thread compact/calibrations.xml
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simonge commented Mar 18, 2026

What is motivating moving away from XRootD? Are we already able to move to a rucio based solution, do you know what that will look like yet?

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veprbl commented Mar 18, 2026

What is motivating moving away from XRootD? Are we already able to move to a rucio based solution, do you know what that will look like yet?

There was an effort on cleaning up the disks, and I was told to consider a better name than xrdtest. There is no threat of these files being deleted or anything, but I'm also trying to think ahead. Move from XRootD to epic-data consolidates our points of failure in one place.

As far as Rucio readiness, I discussed with @panta-123 towards Rucio paths like epic:/CALIB/2025/5a202b05d865214e3c399883ee13859318044678f87d7b3d9fa8ff526b4909b6/Low-Q2_Steering_Reconstruction.onnx. We would just upload a new file to that location and possibly add a rule to keep it indefinitely to every RSE. We would then need to teach epic how to access those files. The problem is that Rucio does not seem to provide a URI schema. Maybe, we could add a different property for Rucio paths.

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