Managing the cost of OpenTelemetry

The dark side of the moon OpenTelemetry

Right off the bat, you might find this blog post a bit strange. We are not used to managing the cost of our metrics and logs (we surely do not need someone to write a blog post about it). So what is unique about OpenTelemetry that requires a blog post for managing cost? What to […]

OpenTelemetry and eBPF: What You Need to Know Summary

eBPF Pokémon

In this short guide, you will learn about the unexplored world of OpenTelemetry and eBPF. What does eBPF mean for observability? Why are we even discussing it in the context of OpenTelemetry? Let’s get started. What to expect? What is eBPF?  Why is eBPF relevant to observability? What do OpenTelemetry and eBPF have to do […]

OpenTelemetry Collector: A Friendly Guide for Devs

Jaeger Nirvana Album Cover

In this guide, you will learn everything you need to know about the OpenTelemetry Collector. Before reading about it myself, the collector felt like a complex beast. But as I was learning, I realized it was not so complicated after all. In a nutshell, the collector receives telemetry data and sends it to wherever you […]

OpenTelemetry Java: Getting Started Guide

OpenTelemetry Java (1)

This is a practical guide that brings you just what you need to get started with OpenTelemetry Java. No prior OpenTelemetry knowledge is needed – we will cover the basics here. For this OpenTelemetry Java example, we’ll be using the Spring Pet Clinic project, to save you some time setting up an example project. What […]

How to Write Integration Tests for Kafka in NodeJS

How to write an integration test for kafka in NodeJS

Writing integration tests is usually not such a fun task. You need to replicate a real environment and test the connections between the different parts of the system. You cannot rely on mocking as you would in a unit test since you need to simulate the actual environment. In this tutorial, I’ll show you how […]

What is Distributed Tracing? A Friendly Guide for Developers

Mona Jaeger

In this guide, you will learn what distributed tracing is, how it works and who uses it, why logs are not enough to debug your microservices, and what open-source OpenTelemetry has to do with it. Distributed Tracing: Table of Contents Introduction What is Distributed Tracing How Distributed Tracing Works Why We Need Distributed Tracing Distributed […]

Jaeger Tracing: The Ultimate Guide

Jaeger Tracing Spiderman

In this guide, you’ll learn what Jaeger tracing is, what distributed tracing is, and how to set it up in your system. We’ll go over Jaeger’s UI and touch on advanced concepts such as sampling and deploying in production.  You’ll leave this guide knowing how to create spans with OpenTelemetry and send them to Jaeger […]

What is OpenTelemetry? A Straightforward Guide

Guide to OpenTelemetry

In this blog post, you will learn how to get started with OpenTelemetry. We will go over what OpenTelemetry is and how it works. We then explore what distributed tracing is and take a look under the OpenTelemetry hood. We will take a deep dive into OpenTelemetry, its structure, deployment methods, and some best practices. […]

OpenTelemetry and Istio: Everything you need to know

Istio OpenTelemetry

There is a high correlation between R&D teams using Istio (k8s) and OpenTelemetry.  The reason is that OpenTelemetry shines when there are a lot of services communicating with each other and the best platform to host it is k8s. Getting started with OpenTelemetry can be a challenge as it requires a lot of knowledge. Having […]

OpenTelemetry Collector and SDK: Deployment Strategies

Men in black holding the OpenTelemetry telescope

So you are starting your journey with OpenTelemetry, congrats! In this article, I will walk you through the different deployment methods. More specifically, what options are available for us when it comes to the SDK and Collector.  When looking back on my OpenTelemetry journey, it wasn’t always smooth sailing. So I’m writing this to try and […]