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fix(simulator): allow synthetic arrivals with trace CSVs - #273

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jiangkuaixue123 merged 1 commit into
vllm-project:simulatorfrom
ShwStone:fix/simulator-trace-arrivals
Aug 27, 2026
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fix(simulator): allow synthetic arrivals with trace CSVs#273
jiangkuaixue123 merged 1 commit into
vllm-project:simulatorfrom
ShwStone:fix/simulator-trace-arrivals

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Summary

  • allow constant and poisson arrivals to use a timestamped CSV as a length pool
  • default timestamped CSV uploads to continuous scaled_trace mode
  • document the selection semantics and add regression coverage

Follow-up to #272.

Validation

  • .venv/bin/python -m ruff check simulator
  • .venv/bin/python -m unittest discover -s simulator/tests -v (48 tests)
  • live HTTP smoke: MoonConv formal-0 lengths with Poisson arrivals at 4 QPS

Signed-off-by: ShwStone shwstone@users.noreply.github.com

Signed-off-by: ShwStone <HaowenShi@outlook.com>
Copilot AI lite review requested due to automatic review settings August 27, 2026 00:36

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@jiangkuaixue123
jiangkuaixue123 merged commit 58d6e15 into vllm-project:simulator Aug 27, 2026
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3 participants