Ch 20: Building Production AI Systems - Introduction¶
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Chapter 20: Production AI Systems — Notebook 01 (Reliability Patterns)¶
Real services face bursts, flaky dependencies, and overload. Three patterns handle most of it: rate limiting, circuit breaking, and backoff.
What you'll learn¶
| Topic | Section |
|---|---|
| Token-bucket rate limiting | §1 |
| Circuit breaker state machine | §2 |
| Exponential backoff with jitter | §3 |
Time estimate: 3.5 hours
Key concepts¶
- Token bucket — allows short bursts up to a capacity, then sustains a steady rate.
- Circuit breaker — stop hammering a failing dependency; fail fast, recover gradually.
- Backoff + jitter — spread retries to avoid synchronized thundering herds.
Token buckets tame bursts, circuit breakers contain failing dependencies, and backoff with jitter prevents retry storms. Together they keep a service standing under stress.
Run the full notebook in the chapter folder for code and outputs.
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