DUNE-DAQ / DUNE-DAQ/trigger

TPReplay: timeout for multiple threads

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#392 1 comment 0 reactions 0 assignees View on GitHub

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Dominant language
C++
Stars
0
Forks
8
Avg merge
7h 21m
Merged PRs (30d)
3

Description

auto earliest_timestamp_time = std::chrono::steady_clock::now() + std::chrono::milliseconds(100);

TPReplay currently has a small (hardcoded) delay (100ms) at the start stage that allows for multiple outputs to stream in sync. This needs testing for high level of sources (or potentially making configurable).

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start at TPReplay's start stage and inspect the hardcoded 100 ms steady_clock delay shown in the issue. Test multiple outputs with a high number of sources to determine whether the timeout remains sufficient; define done as synchronized streaming behavior, or a clearly specified configurable timeout if that is chosen.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
distributed-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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