# ✅ Checkpoint: Architecture and Scaling

By Lê Nguyễn Tuân

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## Contents

Part of [🎞️ Media Crawler Architecture: Queue, Storage and Scaling](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling.md)

- **🧭 Foundations and Capstone Skeleton**
  - [🔍 How Facebook, Weibo and Bilibili Serve Media](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/media-serving-anatomy-three-platforms.md)
  - [🧱 Capstone Blueprint: Config, Storage Layout, Pipeline Modules](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/capstone-blueprint-config-storage-pipeline.md) (sign-in required)
  - [🧩 Capstone Step 1: Normalize Media Records from Feed Responses](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/capstone-normalize-media-records.md)
  - [✅ Checkpoint: Platform Anatomy and Project Skeleton](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/checkpoint-platform-anatomy-skeleton.md)
- **📥 Media Download Engineering**
  - [🌊 Streaming Image Downloads: Chunks, Resume, Retries, Timeouts](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/streaming-image-downloads-resume-retries.md)
  - [🎥 Video Downloads: Manifests, Fragments, Resolution Selection](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/video-downloads-manifests-fragments-resolution.md)
  - [🗄️ Capstone Step 2: Storage, Content Hashing and Integrity Checks](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/capstone-storage-hashing-integrity.md)
  - [✅ Checkpoint: Download Engineering](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/checkpoint-download-engineering.md)
- **🏗️ Architecture, Scheduling and Scaling**
  - [🔁 Queue-Based Workers: Task Model, Backpressure, Rate Budget](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/queue-workers-task-model-backpressure.md)
  - [🚀 Capstone Step 3: Observability, Recovery and Scaling Out](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/capstone-observability-recovery-scaling.md) (premium content)
  - [✅ Checkpoint: Architecture and Scaling](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/checkpoint-architecture-scaling.md) (premium content) — this lesson
- [Course cheatsheet](https://everwise.study/courses/media-crawler-architecture-queue-storage-and-scaling/cheatsheet.md) (premium content)