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In the fast-paced world of modern software development, performance is no longer just a backend concern—it's a critical driver of user satisfaction, infrastructure cost, and business growth.

At NodeSource, we're excited to unveil a new feature in the N|Solid platform that takes Node.js application performance to a new level: N|Sentinel.

Powered by advanced AI models and seamlessly integrated into N|Solid Copilot, N|Sentinel is your intelligent performance assistant—diagnosing, analyzing, and optimizing your applications faster and smarter than ever before.

Why We Built Sentinel

Performance debugging has traditionally been a time-consuming, manual process. Developers spend hours poring over CPU profiles, identifying high-self-time functions, chasing down memory leaks, and trying to understand which parts of their app are slowing things down.

We saw an opportunity to shift this paradigm.

By combining AI-driven diagnostics, interactive performance reports, and actionable code suggestions, Sentinel empowers developers to go from problem to solution in a fraction of the time.

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How It Works: A New Kind of Performance Flow

N|Sentinel operates in three powerful phases:

1. Automated Analysis

When you initiate a performance check, Sentinel collects CPU or Heap profiles and immediately begins processing. It vectorizes this data—turning it into a rich, searchable map—and begins surfacing key performance signals, including:

• Critical user-defined functions consuming high CPU

• High-frequency or inefficient execution paths

• Potential memory leaks or bottlenecks

You don’t just get raw data—you get context-aware insights presented directly inside the N|Solid console.

2. AI-Powered Optimization Suggestions

Once Sentinel flags a problem, it doesn’t stop there.

Using large language models trained on JavaScript performance patterns, it can:

• Analyze the flagged code (with your input or via runtime extraction)

• Suggest targeted improvements

• Provide a rationale for each suggestion

It’s like having a dedicated performance engineer reviewing your code—24/7.

3. Benchmarking You Can Trust

Performance suggestions are only as good as their results. That’s why Sentinel includes built-in benchmarking tools to compare your original and optimized code.

Run them in isolated environments and get measurable performance improvements—backed by real data, not guesswork.

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Why It Matters

Sentinel isn’t just a shiny new tool—it’s a game-changer for teams focused on:

• 🕒 Speed & Productivity: Move from diagnosis to optimization in minutes, not days.

• 💸 Cost Savings: Studies show 30–50% of a developer’s time is spent debugging or resolving performance-related issues. N|Sentinel cuts that time by 80%.

• ⚠️ Risk Reduction: Catch and resolve issues before they create a negative users experience.

• 🚀 Growth & Scalability: Ensure your Node.js apps perform under pressure as usage grows.

• 😊 Customer Centricity: Fast, reliable apps mean happier users—and better business outcomes.

Ready to Try It?

If you’re already using N|Solid, Sentinel is available today inside the Copilot interface. Just start a performance session and watch the insights roll in.

Not using N|Solid yet? Start here to discover how it can help you build, monitor, and optimize Node.js apps with confidence.

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N|Sentinel brings intelligent performance optimization to the heart of your workflow—so you can build better software, faster.

Let’s take the guesswork out of Node.js performance. Together.