Load Testing & Performance

Simulate user traffic with k6 and JMeter for load testing.

1|Updated Mar 9, 2026

Search Tags:#performance #profiling #rust #load testing #k6 #nodejs #capacity planning

Ready to run

npx skills add https://github.com/vertivolatam/monorepo --skill load-testing-performance

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: Load Testing & Performance
Source: https://github.com/vertivolatam/monorepo/tree/main/skills/system-reliability-engineering/load-testing-performance
Command: npx skills add https://github.com/vertivolatam/monorepo --skill load-testing-performance

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires v8-profiler-node8, heapdump, criterion, pprof, tokio, actix-web, actix-web-prom, prometheus, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps identify performance bottlenecks and system limitations by simulating high user loads and analyzing application behavior under stress.

Core Features & Use Cases

Load Testing: Simulate concurrent users with tools like k6 and JMeter to test API and application performance under expected and extreme loads.
Performance Profiling: Pinpoint CPU and memory usage issues in Node.js and Rust applications.
Capacity Planning: Estimate resource needs and scalability based on current and projected user traffic.
Use Case: Before a major product launch, use this Skill to run a stress test on your e-commerce platform to ensure it can handle thousands of simultaneous shoppers without crashing.

Quick Start

Implement load testing with k6 for your APIs.

Frequently Asked Questions about Load Testing & Performance

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I run load testing on my API to uncover system limits before a launch?▼

You can run load testing by simulating concurrent user traffic with k6 to test API performance under expected and extreme loads. This helps uncover system limits and ensures your application handles thousands of simultaneous users without crashing.

How do I do performance profiling for a Node.js application to find bottlenecks?▼

Performance profiling pinpoints CPU and memory usage issues in Node.js applications by analyzing runtime behavior. Using profiling utilities helps identify exact bottlenecks causing degraded response times under heavy user traffic.

Can I use k6 for capacity planning and resource estimation?▼

Yes, k6 simulates projected user traffic to generate baseline metrics for capacity planning. You estimate future resource needs and scalability requirements by analyzing how your system performs under simulated concurrent loads.

Does this load testing approach work with Rust and actix-web?▼

Yes, performance profiling supports Rust applications using frameworks like actix-web and tokio. It integrates with actix-web-prom and prometheus to monitor metrics while simulating traffic to identify bottlenecks.

What is the best way to integrate continuous performance monitoring into CI/CD pipelines?▼

The best way to integrate performance monitoring into CI/CD pipelines is by automating k6 load testing scripts to execute during deployment. This continuously validates API performance and prevents regressions under simulated traffic.

Why does my Node.js application crash under high concurrent user traffic?▼

Your Node.js application crashes under high traffic due to unmanaged CPU and memory usage bottlenecks. Performance profiling with heapdump identifies memory leaks and resource exhaustion causing system failures during stress.