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Performance
5 posts and patterns
Per-Rule Latency: The Measurement Rule Engines Leave to You
A trace tells you the decision was slow. It does not tell you which of the rules inside it was, and across the rule-engine documentation I could read on 2026-08-19, turning rule timings into percentiles is left to the user every time.
Isolating a Slow Rule on a Hot Path with Per-Rule Profiling
Rule-level latency percentiles split by cache state, so a slow decision names the rule, not the request that carried it.
What Is a Decision Operations Platform? (And When Your Team Needs One)
Pricing, eligibility, and fraud rules change constantly but live trapped in application code. A Decision Operations Platform gives business decisions their own lifecycle. What the category is, and when you need one.
Drools vs Cloud Rule Engines: Self-Hosted vs Managed in 2026
Drools is the open-source default — but the README doesn't mention what self-hosting actually costs. Here's how Drools, GoRules, DecisionRules.io, Camunda, and LexQ compare in 2026.
How to Stop Deploying Code for Every Business Rule Change
Your business logic shouldn't inherit the full weight of your deploy pipeline. Three ways to decouple rules from code — and when each one fails.