Book Image

Datadog Cloud Monitoring Quick Start Guide

By : Thomas Kurian Theakanath
Book Image

Datadog Cloud Monitoring Quick Start Guide

By: Thomas Kurian Theakanath

Overview of this book

Datadog is an essential cloud monitoring and operational analytics tool which enables the monitoring of servers, virtual machines, containers, databases, third-party tools, and application services. IT and DevOps teams can easily leverage Datadog to monitor infrastructure and cloud services, and this book will show you how. The book starts by describing basic monitoring concepts and types of monitoring that are rolled out in a large-scale IT production engineering environment. Moving on, the book covers how standard monitoring features are implemented on the Datadog platform and how they can be rolled out in a real-world production environment. As you advance, you'll discover how Datadog is integrated with popular software components that are used to build cloud platforms. The book also provides details on how to use monitoring standards such as Java Management Extensions (JMX) and StatsD to extend the Datadog platform. Finally, you'll get to grips with monitoring fundamentals, learn how monitoring can be rolled out using Datadog proactively, and find out how to extend and customize the Datadog platform. By the end of this Datadog book, you will have gained the skills needed to monitor your cloud infrastructure and the software applications running on it using Datadog.
Table of Contents (19 chapters)
Section 1: Getting Started with Datadog
Section 2: Extending Datadog
Section 3: Advanced Monitoring

Agent components

The Datadog Agent is a service that is composed of multiple component processes doing specific tasks. Let's look at those in detail to understand the workings of the Datadog Agent.

On Ubuntu systems, the Datadog Agent service is named datadog-agent. The runtime status of this service can be checked and maintained using the system command service like any other service.

The /etc/datadog-agent directory has all the configuration files related to the Datadog Agent running on that machine. The YAML /etc/datadog-agent/datadog.yaml file is the main configuration file. If any change is made to this file, the Datadog service needs to be restarted for those changes to take effect.

The /etc/datadog-agent/conf.d/ directory contains configuration files related to the integrations that are run on that host. We will see the configuration requirements for integrations and how they are installed in Chapter 9, Integrating with Platform Components, which is dedicated to...