Everything There Is to Know About M.E.L.T.

An introduction to the four essential telemetry data types


There’s a good chance you’ve heard these terms before, but can you confidently describe the differences between metrics, events, logs, and traces

M.E.L.T. 101 breaks down these foundational data types, which are essential for observability. Starting with a simple vending machine, this guide will walk you through an explanation of metrics, events, logs, and traces to demonstrate:

  • How they differ from one another
  • How to know when to use one versus another 
  • How they’re used in New Relic as the foundation of our observability platform

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