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retries

AI, ML & GenAI interview questions tagged retries, across every topic.

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Concepts behind "retries"

The curriculum that explains the ideas these questions test.

Foundational
⚙️ System Design for AI in Production
Idempotency and Exactly-Once EffectsIn a distributed system, calls fail and get retried, so the same request can land more than once. Idempotency means running a request twice yields the same effect as running it once, achieved with idempotency keys and deduplication. It underpins safe retries: without it, a retried payment charges twice or a retried pipeline double-counts. AI, ML, and GenAI engineer interviews probe it because LLM/data pipelines are full of flaky, retried steps, and 'exactly-once' is really 'at-least-once delivery plus idempotent processing'.
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