Datadog Agent is a powerful tool designed to collect metrics and events from your infrastructure and applications. It provides real-time visibility into the performance of your systems, helping you monitor and optimize your operations. The Agent runs on your hosts and sends data to the Datadog platform, where it can be visualized and analyzed.
One common issue users encounter is the Datadog Agent not collecting CPU metrics. This symptom is observed when expected CPU usage data is missing from the Datadog dashboard, leading to gaps in monitoring and analysis.
In the Datadog dashboard, you might notice that CPU-related graphs are empty or not updating. Additionally, logs might not show any CPU metric collection activity.
The root cause of this issue is often that CPU metrics collection is not enabled or is misconfigured. The Datadog Agent requires specific configurations to collect and report CPU metrics accurately.
Check the configuration files, typically located in /etc/datadog-agent/datadog.yaml or a similar path, to ensure that CPU metrics collection is enabled. Misconfigurations in these files can prevent the Agent from collecting the necessary data.
Follow these steps to enable and verify CPU metrics collection:
Open the Datadog Agent configuration file:
sudo nano /etc/datadog-agent/datadog.yaml
Ensure that the following line is present and uncommented:
collect_cpu_metrics: true
After making changes, restart the Datadog Agent to apply the new configuration:
sudo systemctl restart datadog-agent
Verify that the Agent is running correctly and collecting metrics:
sudo datadog-agent status
Look for CPU metrics in the output to confirm they are being collected.
For more detailed information on configuring the Datadog Agent, refer to the official Datadog Agent documentation. If issues persist, consider reaching out to Datadog Support for further assistance.
By following these steps, you should be able to resolve the issue of the Datadog Agent not collecting CPU metrics, ensuring comprehensive monitoring of your systems.
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