Tail latency comes from a small percentage of long-running requests with tool calls and retrieval. How would you reduce it?

Instruction: Describe how you would reduce tail latency in complex requests.

Context: Tests how the candidate diagnoses the problem, chooses the safest next step, and reasons through recovery. Describe how you would reduce tail latency in complex requests.

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I would isolate that request class and optimize it separately instead of letting it poison the whole fleet. Often the right move is to shorten or parallelize retrieval, cap iterative tool loops, prefetch likely dependencies, or split the workflow into early answer plus deferred enrichment.

I...

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