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Numbers and estimation · designlab

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Part 1 · Module 3

Numbers and estimation

The latency and capacity numbers worth memorizing, and how to turn a product sentence into requests per second, storage and bandwidth.

0 of 4 lessons22 min

3.1Latency numbers worth knowingUp next5m
3.2What one machine can do6m
3.3Back-of-the-envelope math5m
3.4A worked estimate: the URL shortener6m
LabSize Tiffin for a cityFinish “Tiffin, by the framework” first30m

Practice what this module teaches

URL Shortener HLDTurn long URLs into short links. Keep redirects fast when a link goes viral.Foundation35 min Metrics Ingestion HLDIngest time-series data with bounded cardinality, replay and predictable query costs.Advanced50 min Video Streaming

HLD

Turn uploads into adaptive streams with reliable transcoding and private playback.

Advanced55 min