Browse by topic
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 none of the seven rule engines whose documentation was surveyed on 2026-08-19 computes rule-level percentiles itself.
Sizing a Hot-Path Rule Rewrite with Per-Rule Profiling
Rewrite a hot-path rule only when it is among the slowest in its group and takes a large share of the group's time.
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.