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    • Scaling ReadsScaling WritesReal-time UpdatesDealing with ContentionMulti-step ProcessesHandling Large BlobsManaging Long-running TasksSecurity & Access Patterns
Interview Preparation

Handling Large Blobs

Object & file storage — pre-signed URLs, chunked uploads, CDN delivery, and the patterns for storing and serving images, videos, and large files at scale.

Storage Patterns

Master large file storage — object storage (S3-style), chunked & resumable uploads, and content-addressable storage. Understand how to store and retrieve blobs efficiently at scale.

Object Storage (S3-style)Chunked & Resumable UploadsContent-Addressable Storage

Delivery

Serve large files at scale — CDN delivery with presigned URLs, transcoding pipelines for media processing, and deduplication with content hashing for storage optimization.

CDN + Presigned URLsTranscoding PipelinesDeduplication with HashingEnd-to-End Delivery