Agent Overview

The Amplify Agent is the core component that collects metrics from your systems and sends them to GetPageSpeed Amplify for analysis and visualization.

How It Works

The Amplify Agent is a compact Python application that:

1. Detects and monitors NGINX processes
2. Parses NGINX configuration files
3. Collects metrics from stub_status/plus API
4. Gathers system-level metrics (CPU, memory, disk, network)
5. Sends data securely to GetPageSpeed Amplify

Data Collection

The agent collects several types of data:

NGINX Metrics

• Requests per second
• Active connections
• Request processing time
• Response codes (2xx, 3xx, 4xx, 5xx)
• Upstream response time

System Metrics

• CPU utilization
• Memory usage
• Disk I/O and space
• Network throughput

Configuration Data

• NGINX configuration files
• SSL certificate information
• Virtual server definitions

Security

The agent is designed with security in mind:

• All communication uses TLS encryption
• No inbound connections required
• Runs as a non-privileged user
• Open source and auditable