DUNE-DAQ / DUNE-DAQ/confmodel

Revisit the exclusiveness of the application relationship between Segment and Application

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Dominant language
C++
Stars
1
Forks
2
Avg merge
7h 30m
Merged PRs (30d)
3

Description

The requirement of exclusivity of the relationship between Segment and application is probably a bit too strict. While it is true that this is a requirement at run time (the time of generate_modules call), when creating the schema, this is not strictly necessary and it enforces a certain rigidity and duplication in the configuration database.

We should investigate:

  • impact of removing the exclusivity constraint
  • Moving the check in a verification step and at run time

Example of issues caused by this have been reported also in the case of daqsystemtest: see 19 August 2025 SWIT meeting, slides here

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Research direction

Start by tracing the Segment–Application relationship through schema creation and the generate_modules entry point, using the daqsystemtest duplication example and linked meeting slides as context. Document the impact of removing exclusivity and define how verification and runtime checks would establish completion.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
backend, databases
Issue type
Refactor
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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