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Blob storage and CDNs · designlab

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Part 1 · Module 13

Blob storage and CDNs

Store large files outside the database, upload and process them safely, and deliver them cheaply through caches near users.

0 of 4 lessons25 min

13.1Object storageUp next6m
13.2Uploads and processing7m
13.3CDNs and media delivery6m
13.4Deduplication, deletion and cost6m
LabMenu photosFinish “Where's my rider?” first25m

Practice what this module teaches

File Storage HLDDesign resumable uploads, durable metadata and secure downloads for large files.Intermediate45 min Image Processing Pipeline HLDTransform uploads into immutable variants with bounded decoding and retryable jobs.Intermediate45 min Content Delivery Network

HLD

Design edge caching, origin protection and reliable invalidation of published content.

Advanced50 min

Video Streaming HLDTurn uploads into adaptive streams with reliable transcoding and private playback.Advanced55 min