Performance

A structured guide to profiling, caching, database optimization, async patterns, and performance budgets for production services.

When to Activate

• Profiling a slow endpoint or service
• Implementing a caching layer (in-process, Redis, or HTTP)
• Optimizing a database query or fixing N+1 problems
• Setting a performance budget for an API endpoint
• Reducing memory usage or GC pressure
• Choosing between sync and async patterns for a workload

Profiling

When to Profile