Rock Solid Haskell Services (Part 5)

on YouTube ↗43m

" summary

Hands-on Haskell workshop that builds a supervised web crawler using supervision trees and an explicit worker pool, wires SNS/SQS via localstack and toxiproxy to inject latency and failures, and implements circuit breakers plus timeouts, semaphores and STM for controlled resource use. The demo runs a single worker (showing how timeouts prevent worker exhaustion), copies a circuit-breaker implementation into the repo because the existing library lacks telemetry, and shows fail‑fast behavior under injected delays.

AI-written summary · about

" chapters (9)

1. 0:00Start
2. 4:18Cascading Failure
3. 5:51Errors
4. 14:34Timeouts
5. 15:04Timeout Strategy
6. 15:36Circuit Breakers
7. 18:33Local Stack
8. 22:35Event Driven Design
9. 27:15Install aws Cli

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