Efficient Frontier and Portfolio Optimization

Covers Markowitz’s mean-variance model as the mathematical foundation for setting asset weights, the two optimal points on the efficient frontier (Min-Variance and Tangency), and the practical adjustments that compensate for the model’s weaknesses.

May 11, 2026 · 6 min read

Incremental Cache Refresh Pattern

A pattern for switching from full cache refresh to incremental refresh. Separating data by update frequency and applying change detection reduces network costs.

January 20, 2024 · 4 min read

Cache Refresh Optimization Retrospective

How I reduced network costs and enabled instance downscaling by switching from full cache refresh to incremental refresh for campaign configuration data.

January 15, 2024 · 2 min read