Windsurf performance

Cascade Generated CPU-Intensive Loop

CPU usage spikes to 100% after Cascade added new code, causing application to become unresponsive. Server cannot handle normal traffic load, and response times are terrible. Profiling shows certain methods consuming excessive CPU.

Cascade likely generated algorithms with high computational complexity or inefficient loops.

Error Messages You Might See

CPU usage: 95% Response time: 30000ms Application unresponsive JVM uses 100% CPU
CPU usage: 95%Response time: 30000msApplication unresponsiveJVM uses 100% CPU

Common Causes

  1. Cascade generated nested loops with O(n²) or worse complexity on large datasets
  2. Infinite loop or busy-wait logic in polling code
  3. Cascade created synchronous processing where asynchronous would be better
  4. Thread contention: too many threads competing for resources

How to Fix It

Profile application with JProfiler or async-profiler to identify hot methods. Optimize algorithms: avoid nested loops on large data. Use batch processing or pagination. Consider asynchronous processing with queues. Implement caching for repeated calculations. Check for thread contention with jstack sampling.

Real developers can help you.

Jen Jacobsen Jen Jacobsen I’m a Full-Stack Developer with over 10 years of experience building modern web and mobile applications. I enjoy working across the full product lifecycle — turning ideas into real, well-built products that are intuitive for users and scalable for businesses. I particularly enjoy building mobile apps, modern web platforms, and solving complex technical problems in a way that keeps systems clean, reliable, and easy to maintain. Prakash Prajapati Prakash Prajapati I’m a Senior Python Developer specializing in building secure, scalable, and highly available systems. I work primarily with Python, Django, FastAPI, Docker, PostgreSQL, and modern AI tooling such as PydanticAI, focusing on clean architecture, strong design principles, and reliable DevOps practices. I enjoy solving complex engineering problems and designing systems that are maintainable, resilient, and built to scale. Vlad Temian Vlad Temian 15+ years shipping production infrastructure for startups. Former CTO at qed.builders (acquired by The Sandbox). Cursor ambassador and agentic tooling builder. I've scaled systems, automated deployments, and built observability tools for AI coding workflows. I specialize in taking vibe-coded apps from broken prototype to production-ready: fixing Supabase auth/RLS, Stripe integrations, deployment pipelines, and cleaning up AI-generated spaghetti. I build tools in this space (agentprobe, claudebin, micode) and understand both sides: how AI generates code and why it breaks. https://blog.vtemian.com/ Luca Liberati Luca Liberati I work on monoliths and microservices, backends and frontends, manage K8s clusters and love to design apps architecture Costea Adrian Costea Adrian Embedded Engineer specilizing in perception systems. Latest project was a adas camera calibration system. Basel Issmail Basel Issmail ’m a Senior Full-Stack Developer and Tech Lead with experience designing and building scalable web platforms. I work across the full development lifecycle, from translating business requirements into technical architecture to delivering reliable production systems. My work focuses on modern web technologies, including TypeScript, Angular, Node.js, and cloud-based architectures. I enjoy solving complex technical problems and helping teams turn product ideas and prototypes into working platforms that can grow and scale. In addition to development, I often collaborate closely with product managers, business analysts, designers, and QA teams to ensure that solutions align with both technical and business goals. I enjoy working with startups and product teams where I can contribute both as a hands-on engineer and as a technical partner in designing and delivering impactful software. Bastien Labelle Bastien Labelle Full stack dev w/ 20+ years of experience Tejas Chokhawala Tejas Chokhawala Full-stack engineer with 5 years experience building production web apps using React, Next.js and TypeScript. Focused on performance, clean architecture and shipping fast. Experienced with Supabase/Postgres backends, Stripe billing, and building AI-assisted developer tools. legrab legrab I'll fill this later Anthony Akpan Anthony Akpan Developer with 8 years of experience building softwares fro startups

You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.

Get Help

Frequently Asked Questions

How do I profile CPU usage?

Use async-profiler (open-source) or commercial tools like JProfiler. Identify which methods consume time.

What's the difference between O(n) and O(n²)?

O(n²) means time doubles when data doubles. Scales poorly. For 1M items: O(n)=1M ops vs O(n²)=1 trillion ops.

Related Windsurf Issues

Can't fix it yourself?
Real developers can help.

You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.

Get Help