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NodeJS Instrumentation - Creating Custom Spans for Method-Level Visibility | Datadog Tips & Tricks

In part 2 of this 4 part series, you’ll learn how to instrument your NodeJS application to capture custom method-level spans, allowing visibility into how specific methods behave in your application. Flame graphs allow for deep insight into the performance of your code. During instrumentation, we can capture custom spans for deeper layers of visibility in the resulting flame graphs. In this video, we use instrumentation to capture a method-level span, allowing us to see the performance of that specific method in our flame graphs in the Datadog UI.

Configuring a Custom Agent Check to Run on IoT Devices (Raspberry Pi) | Datadog Tips & Tricks

In this video, you'll learn how to create, configure, and deploy a custom check for your Datadog agent to run on a Raspberry Pi. The results are custom metrics sent into your Datadog account which track your service provider's network speeds over time.