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One replica in a serving fleet returns tokens slower than its siblings. Find out why.

An apparent outlier can reflect workload mix, queueing, runtime state or a degraded execution path. Normalize the comparison, run a matched replay and use critical-path arithmetic to test possible causes.

Updated Sep 2026 · Learn how AI infrastructure works through explanations, worked examples and diagrams, then practise applying it to interview questions.

An apparent outlier can reflect workload mix, queueing, runtime state or a degraded execution path. Normalize the comparison, run a matched replay and use critical-path arithmetic to test possible causes.

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Work through the numbers

Change the assumptions in a free calculator, then explain what the result establishes and what still needs measurement.

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FEDITOR'S NOTE

Scored on comparable per-request metrics, workload conditioning, controlled replay, per-rank evidence and conditional estimates rather than diagnosing from one utilization or clock number.

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