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The release notes for the Custom Metrics Autoscaler Operator for Red Hat OpenShift describe new features and enhancements, deprecated features, and known issues.

The Custom Metrics Autoscaler Operator uses the Kubernetes-based Event Driven Autoscaler (KEDA) and is built on top of the OKD horizontal pod autoscaler (HPA).

The Custom Metrics Autoscaler Operator for Red Hat OpenShift is provided as an installable component, with a distinct release cycle from the core OKD. The Red Hat OpenShift Container Platform Life Cycle Policy outlines release compatibility.

Supported versions

The following table defines the Custom Metrics Autoscaler Operator versions for each OKD version.

Version OKD version General availability

2.14.1

4.16

General availability

2.14.1

4.15

General availability

2.14.1

4.14

General availability

2.14.1

4.13

General availability

2.14.1

4.12

General availability

Custom Metrics Autoscaler Operator 2.14.1 release notes

This release of the Custom Metrics Autoscaler Operator 2.14.1-454 provides a CVE, a new feature, and bug fixes for running the Operator in an OKD cluster. The following advisory is available for the RHBA-2024:5865.

Before installing this version of the Custom Metrics Autoscaler Operator, remove any previously installed Technology Preview versions or the community-supported version of Kubernetes-based Event Driven Autoscaler (KEDA).

New features and enhancements

Support for the Cron trigger with the Custom Metrics Autoscaler Operator

The Custom Metrics Autoscaler Operator can now use the Cron trigger to scale pods based on an hourly schedule. When your specified time frame starts, the Custom Metrics Autoscaler Operator scales pods to your desired amount. When the time frame ends, the Operator scales back down to the previous level.

For more information, see Understanding the Cron trigger.

Bug fixes

  • Previously, if you made changes to audit configuration parameters in the KedaController custom resource, the keda-metrics-server-audit-policy config map would not get updated. As a consequence, you could not change the audit configuration parameters after the initial deployment of the Custom Metrics Autoscaler. With this fix, changes to the audit configuration now render properly in the config map, allowing you to change the audit configuration any time after installation. (OCPBUGS-32521)