Profiling a Slow Endpoint: Flame Graph to Fix, On-CPU vs Off-CPU
Learn to diagnose a slow monolith endpoint: scope the problem, use APM traces, pick on-CPU or wall-clock profiling, read flame graphs, and fix N+1 queries.
16 min read
Tag
profiling
Speed Up Monolith Startup with Lazy Module Loading: A Practical Guide
Learn how to profile application boot time, defer modules safely, keep readiness honest, and weigh lazy loading against first-request latency and late failures.
14 min read
Spring Boot Slow Startup: Profiling Beans and Cutting Boot Time
Measure Spring Boot slow startup with the startup actuator, bean profiling and JFR, then fix slow beans, auto-config and blocking I/O instead of global flags.
13 min read
Monolith Performance: Find and Fix the Real Bottleneck First
Learn to baseline, trace and profile a slow monolith, fix N+1 queries and database hot paths, and choose a caching strategy before considering a rewrite.
18 min read