* Case Studies

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When the Load Generator Becomes the Bottleneck

Aug 20, 2026

A load-testing investigation that went wrong for the right reason: the generator saturated before the target did, and how right-sizing the worker pool turned a misleading result into a trustworthy one.

Designing a Scalable URL Shortener: One Problem, Three ID Generation Strategies

Jul 14, 2026

shorty a simple url shortener designed for scale and performance