#Fastify
2 articles
Chronicle
2 posts2026
02- 01 Sep 26 How to Diagnose Slow NestJS Endpoints and Find Performance Bottlenecks Use request traces, CPU profiles, event-loop delay, and connection-pool metrics to diagnose slow NestJS endpoints. Locate bottlenecks in DTO conversion, serialization, queries, and queueing, then verify improvements with load tests.
- 02 Aug 28 NestJS or Express? Pick by How Big the Project Will Get Use Express for small services, prototypes, and webhooks. Use NestJS for a business backend a team will keep maintaining. Nest still runs on Express by default. Switch to Fastify only if a load test shows the HTTP layer is the bottleneck.