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Load Testing & Performance

Run k6 load tests and profile Node.js and Rust performance.

1|Updated Dec 18, 2024
Search Tags:#performance#profiling#rust#load testing#k6#nodejs#capacity planning
One-click install
npx skills add https://github.com/altrupets/monorepo --skill load-testing-performance-altrupets
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Load Testing & Performance
Source: https://github.com/altrupets/monorepo/tree/main/skills/system-reliability-engineering/load-testing-performance
Command: npx skills add https://github.com/altrupets/monorepo --skill load-testing-performance-altrupets

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 addresses the critical need to ensure software systems can handle expected and unexpected user loads without performance degradation or failure, preventing downtime and ensuring a smooth user experience.

Core Features & Use Cases

  • Load & Stress Testing: Simulate high traffic to identify bottlenecks and breaking points using tools like k6.
  • Performance Profiling: Analyze CPU and memory usage in Node.js and Rust applications to pinpoint performance issues.
  • Capacity Planning: Calculate resource needs based on current and projected user loads.
  • Use Case: Before launching a new feature, use this Skill to run a stress test simulating 10,000 concurrent users to ensure the backend can handle the anticipated load and identify any performance regressions.

Quick Start

Execute a basic load test against your API using k6 scripts.

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 a load test with k6 to simulate concurrent users?▼

Run a load test with k6 by executing its scripts to simulate concurrent users and identify bottlenecks. This validates system limits and ensures your API handles high traffic without performance degradation.

Can I profile CPU and memory usage in Node.js and Rust applications?▼

Yes, you can profile CPU and memory usage in Node.js and Rust applications. The skill leverages tools like v8-profiler and pprof to analyze resource consumption and pinpoint performance issues within your codebase.

What is capacity planning and how is it calculated for projected loads?▼

Capacity planning calculates resource needs based on current and projected user loads using Python scripts. This determines the infrastructure required to maintain application stability and ensure smooth user experiences under expected traffic.

Does this approach work with actix-web and Prometheus for monitoring?▼

Yes, this approach works with actix-web and Prometheus. It integrates actix-web-prom and Prometheus to monitor application stability, validate system limits, and optimize resource utilization during stress testing scenarios.

When do I need performance profiling for my software system?▼

You need performance profiling when optimizing resource utilization and ensuring application stability. It analyzes CPU and memory usage to pinpoint performance issues before launching new features or when validating system limits under unexpected user loads.

Why does my backend performance degrade under high traffic loads?▼

Backend performance degrades under high traffic loads due to bottlenecks and resource limits. Use load and stress testing to simulate concurrent users, identify breaking points, and optimize resource utilization to prevent downtime.

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