Watt Admin: Your Local Node.js Monitoring Solution

cowcode
cowcode May 4, 2025
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We’re excited to announce the release of Watt Admin, an open-source developer monitoring and administration tool for Platformatic applications. This powerful dashboard gives developers real-time visibility into their Node.js services, making monitoring performance, troubleshooting issues, and managing Watt easier than ever.

Watt Admin is a single command away from your Watt application: npx wattpm admin.

Let’s break down the key features:

  • Real-Time Performance Metrics
  • Logging
  • Runtime selection
  • Service control

Watt Admin provides detailed real-time metrics for your Platformatic applications:

  • Memory Usage Monitoring: Track RSS, heap usage, new space, and old space memory allocation with visual charts
  • CPU & Event Loop Utilization: Monitor CPU usage and event loop utilization to identify performance bottlenecks
  • Latency Tracking: View P90, P95, and P99 latency metrics to ensure optimal response times
  • Request Rate Analysis: Track requests per second (RPS) to understand traffic patterns

Stay informed with advanced logging capabilities:

  • Centralized Log Viewer: View logs from all services in a single interface
  • Log Filtering: Filter logs by service or log level to find relevant information quickly
  • Pretty or Raw View: Toggle between formatted and raw JSON log views
  • Log Export: Save logs for offline analysis or sharing

Gain full control over your Platformatic services:

  • Service Overview: View all running services with their current status
  • Service-Level Metrics: Drill down into metrics for individual services
  • Service Comparison: Compare metrics between services and aggregated data
  • Service Restart: Restart services directly from the dashboard

Watt Admin includes a powerful CLI tool that:

  • Discovers Runtimes: Automatically finds all available Platformatic runtimes
  • Interactive Selection: Choose between multiple runtimes with an interactive menu
  • Runtime Information: View detailed information about selected runtimes

Getting started with Watt Admin is simple. First, we can start a simple application managed by Watt that is composed of a Next.js, Node.js and Fastify services, as well as our Composer:

git clone https://github.com/platformatic/composer-next-node-fastify
cd composer-next-node-fastify
npm install
npm run build
npm start

You can also use it on your own Watt application! Then, starting Watt Admin is as simple as:

npx wattpm admin

You can then open localhost:4042 or click on the URL that is printed on the console.

Watt Admin looks like:

Here is the metrics view, for each individual service:

Here is the logs view:

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