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Container Service for Kubernetes:ack-kubernetes-cronhpa-controller: Overview and release notes

Last Updated:Jun 23, 2026

The ack-kubernetes-cronhpa-controller add-on scales pods on a cron schedule for predictable traffic patterns. This topic describes the component, usage notes, and release notes.

ack-kubernetes-cronhpa-controller is a Kubernetes HPA controller that scales pods on a cron schedule. Cron Horizontal Pod Autoscaler (CronHPA) triggers horizontal replica scaling at scheduled times. CronHPA scales subresources of Kubernetes objects, including Deployments and StatefulSets. Subresources must come from open source GitHub projects.

Usage notes

See CronHPA.

Release notes

December 2023

Version Image address Release date Description Impact
v1.4.4-d9f7d25-aliyun registry-cn-beijing-vpc.ack.aliyuncs.com/acs/kubernetes-cronhpa-controller:v1.4.4-d9f7d25-aliyun 2023-12-15 Improved CronHPA Job validation to prevent delayed cleanup of duplicate-name CronHPA Jobs. No impact on workloads.

March 2023

Version Image address Release date Description Impact
v1.4.3-8b73ecb-aliyun registry-cn-beijing-vpc.ack.aliyuncs.com/acs/kubernetes-cronhpa-controller:v1.4.3-8b73ecb-aliyun 2023-03-24 Updated dependencies and optimized memory consumption. No impact on workloads.

February 2023

Version Image address Release date Description Impact
v1.4.2-b08beb8-aliyun registry-cn-beijing-vpc.ack.aliyuncs.com/acs/kubernetes-cronhpa-controller:v1.4.2-b08beb8-aliyun 2023-02-27 Fixed a concurrency conflict when scheduled tasks ran simultaneously. No impact on workloads.

July 2022

Version Image address Release date Description Impact
v1.4.1-277c7d5-aliyun registry.cn-hangzhou.aliyuncs.com/acs/kubernetes-cronhpa-controller:v1.4.1-277c7d5-aliyun 2022-07-23 Added retry logic for tasks missed due to timeouts. No impact on workloads.

May 2021

Version Image address Release date Description Impact
v1.4.0-a2f4954d-aliyun registry.cn-hangzhou.aliyuncs.com/acs/kubernetes-cronhpa-controller:v1.4.0-a2f4954d-aliyun 2021-05-27 Fixed an authorization issue with elastic workloads. No impact on workloads.

December 2020

Version Image address Release date Description Impact
v1.4.0-fc4f6060-aliyun registry.cn-hangzhou.aliyuncs.com/acs/kubernetes-cronhpa-controller:v1.4.0-fc4f6060-aliyun 2020-12-18 Supported basic CronHPA features and HPA compatibility. No impact on workloads.