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Rate limiting · designlab

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Part 1 · Module 11

Rate limiting

Protect capacity and share it fairly: where limits belong, the algorithms behind them, and making them work across many servers.

0 of 4 lessons24 min

11.1Why and where to limitUp next6m
11.2Rate-limiting algorithms6m
11.3Rate limiting across many servers6m
11.4Quotas, fairness and adaptive limits6m
LabThe public API is being scrapedFinish “The slow PDF export” first30m

Practice what this module teaches

Distributed API Rate Limiter HLDCap each client's requests across a fleet of servers without slowing every call.Intermediate40 min API Gateway HLDRoute requests with authentication, quotas and bounded downstream failure handling.Intermediate45 min Distributed Quota Accounting

HLD

Reserve and settle long-lived resource quotas across concurrent services.

Advanced60 min

Flash Sale Admission HLDProtect scarce inventory with a waiting room, admission tokens and recoverable reservations.Advanced55 min