Unverified60% confidenceFactExact time
If the P99 latency of a single service is 1 second, the probability that a call triggering 5 parallel sub-requests encounters at least one exceeding P99 latency is approximately 5% (1 - 0.99^5).
2
Sources
60%
Confidence
Long-term
Relevance
8/8/2026
First Seen
Sources
Model Council频繁报错：多模型协作为何不稳定
Related Claims
UnverifiedA P95 latency of 10 seconds means that 1 in every 20 users will experience a frustratingly long wait.79% similarUnverifiedFor interactive search, P99 latency typically needs to be kept within a few hundred milliseconds.77% similarUnverifiedAfter honoring retry-after and layering full jitter on top, the last call completed at 11.8 seconds, 313 requests were sent, and p95 was 9.1 seconds, with every metric better than the two backoff formulas.76% similarUnverifiedIn the hanging-provider test, the p95 wait times for direct connection and the proxy were 53.7 seconds and 53.6 seconds respectively, with only 2 calls from the proxy reaching the hanging provider (versus 30 for direct connection), but the circuit breaker never opened, because with a 30-second timeout it takes 5 failures, i.e. 150 seconds of hanging, to trigger.73% similarUnverifiedIn LLM scenarios, latency hedging is the most commonly used strategy; in practice, the P50 or P75 latency value is typically used as the trigger threshold, and hedging is triggered if the first request has not returned its first token within the P75 time.73% similar
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