AWS has introduced the public preview of OpenTelemetry metrics support in Amazon CloudWatch. This update allows developers to send metrics directly to CloudWatch using the OpenTelemetry protocol and view them alongside existing AWS service metrics.
The preview introduces a high-cardinality metrics store that supports up to 150 labels per metric, allowing rich metrics to be sent directly to CloudWatch without conversion or truncation. With AWS automatically adding resource metadata to metrics, CloudWatch can serve as a single place to collect infrastructure, container, and application metrics.
In the “Introducing OpenTelemetry & PromQL Support in Amazon CloudWatch” article, Rodrigue Koffi, specialist solutions architect at AWS, writes:
With this launch, CloudWatch completes its support for OpenTelemetry across all three pillars of observability. CloudWatch already accepts traces and logs through its OTLP endpoints, adding native OTLP metrics ingestion means you can now…
https://www.infoq.com/news/2026/04/cloudwatch-opentelemetry-metrics/
