System Design - data-engineering
#01 Databases
Build a Vector Search Engine Premium
Design an approximate nearest neighbor search service that indexes 100 million high-dimensional embeddings, answers similarity queries in under 20ms, and supports live index updates without downtime.
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#02 Data Engineering
Build a Video Transcoding Pipeline Free
Design a pipeline that accepts a raw 4K upload, splits it into parallel encoding jobs, produces multiple bitrate renditions, and delivers the fully processed video to the CDN in under 5 minutes.
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