Choreography vs Orchestration in serverless microservices

on YouTube ↗49m

" summary

Compares event-driven choreography with a central orchestrator and shows a concrete rewrite: an event-heavy image app called Pika Daily is converted to HTTP-driven orchestration using Google Cloud Workflows. Demonstrates removing parsing for three different event formats, cutting glue code, centralizing retries/timeouts and getting a visual flowchart and per-step failures, while trading away parallelism and adding YAML-debugging and a new service to learn. Includes live demo of uploads, metadata extraction, thumbnails and collages succeeding under the workflow.

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" chapters (11)

1. 0:00Introduction and welcome
2. 1:05Talk overview and context
3. 3:31Choreography vs orchestration basics
4. 8:11Event-driven choreography pros and cons
5. 13:26Orchestration approach explained
6. 20:07Tools and services landscape
7. 23:35Google Cloud Workflows deep dive
8. 33:01Case study introduction
9. 37:35Rewriting to orchestration
10. 40:46Lessons learned from rewrite
11. 43:55Resources and closing

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