Serving
Request queueing is the wait between server arrival and admission to model execution. That delay is part of user-visible time to first token but not model compute.
Queue time can dominate latency after active capacity saturates, especially for bursty or mixed-length traffic. Averages can hide requests delayed by priority, retries, or large work ahead.
Servers timestamp arrival, admission, and cancellation boundaries separately from model phases. Queue limits, timeouts, and backpressure define what happens when demand exceeds capacity.
Request queueing is the wait between server arrival and admission to model execution. That delay is part of user-visible time to first token but not model compute. Servers timestamp arrival, admission, and cancellation boundaries separately from model phases. Queue limits, timeouts, and backpressure define what happens when demand exceeds capacity.
Queue time can dominate latency after active capacity saturates, especially for bursty or mixed-length traffic. Averages can hide requests delayed by priority, retries, or large work ahead.
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