Скачать или смотреть Complete S3/Object Storage System Design Explained | Interview Prep

In this video, I provide a complete system design explanation of Amazon S3 and Azure Blob Storage, covering everything from basic concepts to advanced internal architecture, with a strong focus on interview preparation.

What You Will Learn:

Introduction to Object Storage: Differences between Block, File, and Object Storage
Core Features of S3 & Blob Storage: Scalability, High Availability, Durability, and Reliability
Key Operations: Bucket creation, object upload, and download
Data Write & Replication Trade-offs: Speed vs safety in distributed storage systems
Write-Ahead Log (WAL) Mechanism: Efficient storage of small files and immutability
Metadata Management & Sharding: Composite keys, shard-aware design, and load balancing
Object Retrieval Flow: Metadata lookup and WAL-based reads
Data Integrity: Checksums, immutable objects, versioning, and replication with integrity checks
Handling Large Files: Multipart upload, parallel uploads, retries, and range downloads
Automatic Object Expiration: Lifecycle rules and TTL management
Efficient Object Listing: Shard-aware keyset pagination for billions of objects
Best Practices for System Design: How S3/Blob ensures durability, availability, and performance

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