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Logging 6.1.0 Release Notes

This release includes {OCP-short}logging Release 6.1.0.

New Features and Enhancements

Log Collection

  • This enhancement adds the source iostream to the attributes sent from collected container logs. The value is set to either stdout or stderr based on how the collector received it. (LOG-5292)

  • With this update, the default memory limit for the collector increases from 1024 Mi to 2048 Mi. Users should adjust resource limits based on their cluster’s specific needs and specifications. (LOG-6072)

  • With this update, users can now set the syslog output delivery mode of the ClusterLogForwarder CR to either AtLeastOnce or AtMostOnce. (LOG-6355)

Log Storage

  • With this update, the new 1x.pico LokiStack size supports clusters with fewer workloads and lower log volumes (up to 50GB/day). (LOG-5939)

Technology Preview

The OpenTelemetry Protocol (OTLP) output log forwarder is a Technology Preview feature only. Technology Preview features are not supported with Red Hat production service level agreements (SLAs) and might not be functionally complete. Red Hat does not recommend using them in production. These features provide early access to upcoming product features, enabling customers to test functionality and provide feedback during the development process.

For more information about the support scope of Red Hat Technology Preview features, see Technology Preview Features Support Scope.

  • With this update, OpenTelemetry logs can now be forwarded using the OTel (OpenTelemetry) data model to a Red Hat Managed LokiStack instance. To enable this feature, add the observability.openshift.io/tech-preview-otlp-output: "enabled" annotation to your ClusterLogForwarder configuration. For additional configuration information, see OTLP Forwarding.

  • With this update, a dataModel field has been added to the lokiStack output specification. Set the dataModel to Otel to configure log forwarding using the OpenTelemetry data format. The default is set to Viaq. For information about data mapping see OTLP Specification.

Bug Fixes

None.