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Clear Thinking for Building Better Technology

Original explanations, practical frameworks, and production-minded guidance on software architecture, cloud systems, AI engineering, security, and automation by John Mather.

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Performance

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Performance

July 25, 2026 · 7 min read

Performance Profiling: Measure the Bottleneck Before Optimizing

Performance work starts with a user-visible objective and an evidence chain from latency to resource saturation, traces, profiles, experiments, and regression protection.

By John Mather

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Caching

July 25, 2026 · 8 min read

Caching Strategies: Freshness, Invalidation, and Failure

Choose cache patterns from freshness and failure requirements, then control keys, invalidation, stampedes, stale serving, and observability.

By John Mather

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Technical illustration for Database Indexes: Faster Reads Without Guesswork — Database Indexes: Faster Reads Without Guesswork — a Prime Axiom Insights visual.

Databases

July 25, 2026 · 9 min read

Database Indexes: Faster Reads Without Guesswork

Choose indexes from measured predicates and sort orders, validate plans with realistic data, and include write cost, locking, storage, and maintenance.

By John Mather

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