Monitoring methods

There are 3 common monitoring methods:

The USE Method

Key metrics:

  • Utilization;
  • Saturation;
  • Errors.

It’s optimal for infrastructure monitoring and capacity management.

The RED Method

Key metrics:

  • Rate;
  • Errors;
  • Duration.

A simple and informative way to monitor services from a user point of view.

The Four Golden Signal

Key metrics:

  • Latency;
  • Traffic;
  • Errors;
  • Saturation.

It’s a bit more advanced way to monitor services. The RED Method is based on it.