Episode description

CloudWatch is the main Observability tool in AWS and it offers a wide range of features: logs, metrics, dashboards, alarms and even events (recently moved into EventBridge).

In this episode we are going to focus on CloudWatch metrics. We are going to discuss the characteristics of metrics in CloudWatch: namespaces, dimensions, units and more. What metrics you get out of the box and how to create your own. How to access and explore metrics.

Finally we will compare CloudWatch to other providers like DataDog, New Relic, Honeycomb and Grafana + Prometheus and try to assess whether CloudWatch is enough or if you need to use other third-party services.

In this episode, we mentioned the following resources:

- How to send Gzipped requests with boto3 (which uses the PutMetricsData API as an example): https://loige.co/how-to-send-gzipped-requests-with-boto3

- CloudWatch service quota: https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch_limits.html

- CloudWatch metrics stream for DataDog: https://www.datadoghq.com/blog/amazon-cloudwatch-metric-streams-datadog/

This episode is also available on YouTube: https://www.youtube.com/AWSBites

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