Updated on 2026-05-26 GMT+08:00

CCE Cluster Autoscaler Release History

CCE regularly updates the CCE Cluster Autoscaler add-on to enhance features, optimize performance, and fix bugs, ultimately improving user experience and system stability. It is recommended that you upgrade the add-on to the latest version periodically to access new functions, avoid vulnerabilities, and maintain service security and reliability.

Table 1 CCE Cluster Autoscaler add-on adapted to clusters v1.32

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.32.5

v1.32

Supported CCE clusters v1.32.

1.32.1

Table 2 CCE Cluster Autoscaler add-on adapted to clusters v1.31

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.31.13

v1.31

The scale-down delay and utilization thresholds can be configured for node pools.

1.31.1

1.31.8

v1.31

Supported CCE clusters v1.31.

1.31.1

Table 3 CCE Cluster Autoscaler add-on adapted to clusters v1.30

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.30.51

v1.30

The scale-down delay and utilization thresholds can be configured for node pools.

1.30.1

1.30.18

v1.30

Fixed some issues.

1.30.1

1.30.15

v1.30

  • Supported clusters v1.30.
  • Added the name of the target node pool to the events.

1.30.1

Table 4 CCE Cluster Autoscaler add-on adapted to clusters v1.29

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.29.84

v1.29

The scale-down delay and utilization thresholds can be configured for node pools.

1.29.1

1.29.53

v1.29

Fixed some issues.

1.29.1

1.29.50

v1.29

Added the name of the target node pool to the events.

1.29.1

1.29.17

v1.29

Optimized events.

1.29.1

1.29.13

v1.29

Supported clusters v1.29.

1.29.1

Table 5 CCE Cluster Autoscaler add-on adapted to clusters v1.28

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.28.123

v1.28

The scale-down delay and utilization thresholds can be configured for node pools.

1.28.1

1.28.91

v1.28

Fixed some issues.

1.28.1

1.28.88

v1.28

Added the name of the target node pool to the events.

1.28.1

1.28.55

v1.28

Optimized events.

1.28.1

1.28.51

v1.28

Optimized the logic for generating alarms when resources in a node pool are sold out.

1.28.1

1.28.22

v1.28

Fixed some issues.

1.28.1

1.28.17

v1.28

Fixed the issue where scale-in cannot be performed when there are custom pod controllers in a cluster.

1.28.1

Table 6 CCE Cluster Autoscaler add-on adapted to clusters v1.27

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.27.155

v1.27

The scale-down delay and utilization thresholds can be configured for node pools.

1.27.1

1.27.122

v1.27

Fixed some issues.

1.27.1

1.27.119

v1.27

Added the name of the target node pool to the events.

1.27.1

1.27.88

v1.27

Optimized events.

1.27.1

1.27.84

v1.27

Optimized the logic for generating alarms when resources in a node pool are sold out.

1.27.1

1.27.55

v1.27

Fixed some issues.

1.27.1

1.27.51

v1.27

Fixed some issues.

1.27.1

1.27.14

v1.27

Fixed the scale-in failure of nodes of different specifications in the same node pool and unexpected PreferNoSchedule taint issues.

1.27.1

Table 7 CCE Cluster Autoscaler add-on adapted to clusters v1.25

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.25.200

v1.25

Fixed some issues.

1.25.0

1.25.184

v1.25

The scale-down delay and utilization thresholds can be configured for node pools.

1.25.0

1.25.153

v1.25

Fixed some issues.

1.25.0

1.25.152

v1.25

Added the name of the target node pool to the events.

1.25.0

1.25.120

v1.25

Optimized events.

1.25.0

1.25.116

v1.25

Optimized the logic for generating alarms when resources in a node pool are sold out.

1.25.0

1.25.88

v1.25

Fixed some issues.

1.25.0

1.25.84

v1.25

Fixed some issues.

1.25.0

1.25.46

v1.25

Fixed the scale-in failure of nodes of different specifications in the same node pool and unexpected PreferNoSchedule taint issues.

1.25.0

1.25.34

v1.25

  • Optimized the method of identifying GPUs and NPUs.
  • Scaled out only by the remaining number of nodes supported by the cluster when the requested number of nodes for scaling out exceeds the cluster's maximum capacity.

1.25.0

1.25.21

v1.25

  • Fixed the issue where the autoscaler's least-waste is disabled by default.
  • Fixed the issue where, if a node scale-out failed in a node pool, the same operation cannot be performed in any other node pool and the add-on had to be restarted.
  • The default taint tolerance duration is changed to 60s.
  • Fixed the issue where scale-out is still triggered after the scale-out rule is disabled.

1.25.0

1.25.11

v1.25

  • Supported anti-affinity scheduling of add-on pods on nodes in different AZs.
  • Added the tolerance time during which the pods with temporary storage volumes can be unscheduled.
  • Fixed the issue where the number of node pools cannot be restored when scaling group resources are insufficient.

1.25.0

1.25.7

v1.25

  • Supported CCE clusters v1.25.
  • Modified the memory request and limit of a custom flavor.
  • Allowed a node pool with auto scaling disabled to report a scaling failure event.
  • Fixed the bug that NPU node scale-out is triggered again during scale-out.

1.25.0

Table 8 CCE Cluster Autoscaler add-on adapted to clusters v1.23

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.23.157

v1.23

Fixed some issues.

1.23.0

1.23.156

v1.23

Added the name of the target node pool to the events.

1.23.0

1.23.125

v1.23

Optimized events.

1.23.0

1.23.121

v1.23

Optimized the logic for generating alarms when resources in a node pool are sold out.

1.23.0

1.23.95

v1.23

Fixed some issues.

1.23.0

1.23.91

v1.23

Fixed some issues.

1.23.0

1.23.54

v1.23

Fixed the scale-in failure of nodes of different specifications in the same node pool and unexpected PreferNoSchedule taint issues.

1.23.0

1.23.44

v1.23

  • Optimized the method of identifying GPUs and NPUs.
  • Scaled out only by the remaining number of nodes supported by the cluster when the requested number of nodes for scaling out exceeds the cluster's maximum capacity.

1.23.0

1.23.31

v1.23

  • Fixed the issue where the autoscaler's least-waste is disabled by default.
  • Fixed the issue where, if a node scale-out failed in a node pool, the same operation cannot be performed in any other node pool and the add-on had to be restarted.
  • The default taint tolerance duration is changed to 60s.
  • Fixed the issue where scale-out is still triggered after the scale-out rule is disabled.

1.23.0

1.23.21

v1.23

  • Supported anti-affinity scheduling of add-on pods on nodes in different AZs.
  • Added the tolerance time during which the pods with temporary storage volumes can be unscheduled.
  • Fixed the issue where the number of node pools cannot be restored when scaling group resources are insufficient.

1.23.0

1.23.17

v1.23

  • Supported NPUs and secure containers.
  • Supported node scaling policies without steps.
  • Fixed a bug so that deleted node pools are automatically removed.
  • Supported priority-based scheduling.
  • Supported the emptyDir scheduling policy.
  • Fixed a bug so that scale-in can be triggered on the nodes whose capacity is lower than the scale-in threshold when the node scaling policy is disabled.
  • Modified the memory request and limit of a custom flavor.
  • Allowed a node pool with auto scaling disabled to report a scaling failure event.
  • Fixed the bug that NPU node scale-out is triggered again during scale-out.

1.23.0

1.23.10

v1.23

  • Optimized logging.
  • Supported scale-in waiting so that operations, such as data dump, can be performed before a node is deleted.

1.23.0

1.23.9

v1.23

Added the nodenetworkconfigs.crd.yangtse.cni resource object permission.

1.23.0

1.23.8

v1.23

Fixed the issue where scale-out fails when the number of nodes to be added at a time exceeds the upper limit in periodic scale-outs.

1.23.0

1.23.7

v1.23

None

1.23.0

1.23.3

v1.23

Supported CCE clusters v1.23.

1.23.0

Table 9 CCE Cluster Autoscaler add-on adapted to clusters v1.21

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.21.114

v1.21

Optimized the logic for generating alarms when resources in a node pool are sold out.

1.21.0

1.21.89

v1.21

Fixed some issues.

1.21.0

1.21.86

v1.21

Fixed the issue where the node pool auto scaling cannot meet the expected behavior after AZ topology constraints are configured for nodes.

1.21.0

1.21.51

v1.21

Fixed the scale-in failure of nodes of different specifications in the same node pool and unexpected PreferNoSchedule taint issues.

1.21.0

1.21.43

v1.21

  • Optimized the method of identifying GPUs and NPUs.
  • Scaled out only by the remaining number of nodes supported by the cluster when the requested number of nodes for scaling out exceeds the cluster's maximum capacity.

1.21.0

1.21.29

v1.21

  • Supported anti-affinity scheduling of add-on pods on nodes in different AZs.
  • Added the tolerance time during which the pods with temporary storage volumes can be unscheduled.
  • Fixed the issue where the number of node pools cannot be restored when scaling group resources are insufficient.
  • Fixed the issue where, if a node scale-out failed in a node pool, the same operation cannot be performed in any other node pool and the add-on had to be restarted.
  • The default taint tolerance duration is changed to 60s.
  • Fixed the issue where scale-out is still triggered after the scale-out rule is disabled.

1.21.0

1.21.20

v1.21

  • Supported anti-affinity scheduling of add-on pods on nodes in different AZs.
  • Added the tolerance time during which the pods with temporary storage volumes can be unscheduled.
  • Fixed the issue where the number of node pools cannot be restored when scaling group resources are insufficient.

1.21.0

1.21.16

v1.21

  • Supported NPUs and secure containers.
  • Supported node scaling policies without steps.
  • Fixed a bug so that deleted node pools are automatically removed.
  • Supported priority-based scheduling.
  • Supported the emptyDir scheduling policy.
  • Fixed a bug so that scale-in can be triggered on the nodes whose capacity is lower than the scale-in threshold when the node scaling policy is disabled.
  • Modified the memory request and limit of a custom flavor.
  • Allowed a node pool with auto scaling disabled to report a scaling failure event.
  • Fixed the bug that NPU node scale-out is triggered again during scale-out.

1.21.0

1.21.9

v1.21

  • Optimized logging.
  • Supported scale-in waiting so that operations, such as data dump, can be performed before a node is deleted.

1.21.0

1.21.8

v1.21

Added the nodenetworkconfigs.crd.yangtse.cni resource object permission.

1.21.0

1.21.6

v1.21

Fixed the issue where authentication fails due to incorrect signature in the add-on request retries.

1.21.0

1.21.4

v1.21

Fixed the issue where authentication fails due to incorrect signature in the add-on request retries.

1.21.0

1.21.2

v1.21

Fixed the issue where auto scaling may be blocked due to a failure in deleting an unregistered node.

1.21.0

1.21.1

v1.21

Fixed the issue where the node pool modification in the existing periodic auto scaling rule does not take effect.

1.21.0

Table 10 CCE Cluster Autoscaler add-on adapted to clusters v1.19

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.19.76

v1.19

  • Optimized the method of identifying GPUs and NPUs.
  • Scaled out only by the remaining number of nodes supported by the cluster when the requested number of nodes for scaling out exceeds the cluster's maximum capacity.

1.19.0

1.19.56

v1.19

Fixed the scale-in failure of nodes of different specifications in the same node pool and unexpected PreferNoSchedule taint issues.

1.19.0

1.19.48

v1.19

  • Optimized the method of identifying GPUs and NPUs.
  • Scaled out only by the remaining number of nodes supported by the cluster when the requested number of nodes for scaling out exceeds the cluster's maximum capacity.

1.19.0

1.19.35

v1.19

  • Supported anti-affinity scheduling of add-on pods on nodes in different AZs.
  • Added the tolerance time during which the pods with temporary storage volumes can be unscheduled.
  • Fixed the issue where the number of node pools cannot be restored when scaling group resources are insufficient.
  • Fixed the issue where, if a node scale-out failed in a node pool, the same operation cannot be performed in any other node pool and the add-on had to be restarted.
  • The default taint tolerance duration is changed to 60s.
  • Fixed the issue where scale-out is still triggered after the scale-out rule is disabled.

1.19.0

1.19.27

v1.19

  • Supported anti-affinity scheduling of add-on pods on nodes in different AZs.
  • Added the tolerance time during which the pods with temporary storage volumes can be unscheduled.
  • Fixed the issue where the number of node pools cannot be restored when scaling group resources are insufficient.

1.19.0

1.19.22

v1.19

  • Supported NPUs and secure containers.
  • Supported node scaling policies without steps.
  • Fixed a bug so that deleted node pools are automatically removed.
  • Supported priority-based scheduling.
  • Supported the emptyDir scheduling policy.
  • Fixed a bug so that scale-in can be triggered on the nodes whose capacity is lower than the scale-in threshold when the node scaling policy is disabled.
  • Modified the memory request and limit of a custom flavor.
  • Allowed a node pool with auto scaling disabled to report a scaling failure event.
  • Fixed the bug that NPU node scale-out is triggered again during scale-out.

1.19.0

1.19.14

v1.19

  • Optimized logging.
  • Supported scale-in waiting so that operations, such as data dump, can be performed before a node is deleted.

1.19.0

1.19.13

v1.19

Fixed the issue where scale-out fails when the number of nodes to be added at a time exceeds the upper limit in periodic scale-outs.

1.19.0

1.19.12

v1.19

Fixed the issue where authentication fails due to incorrect signature in the add-on request retries.

1.19.0

1.19.11

v1.19

Fixed the issue where authentication fails due to incorrect signature in the add-on request retries.

1.19.0

1.19.9

v1.19

Fixed the issue where auto scaling may be blocked due to a failure in deleting an unregistered node.

1.19.0

1.19.8

v1.19

Fixed the issue where the node pool modification in the existing periodic auto scaling rule does not take effect.

1.19.0

1.19.7

v1.19

Regular upgrade of add-on dependencies

1.19.0

1.19.6

v1.19

Fixed the issue where repeated scale-out is triggered when taints are asynchronously updated.

1.19.0

1.19.3

v1.19

Supported scheduled scaling policies based on the total number of nodes, CPU limit, and memory limit; and fixed other functional defects.

1.19.0

Table 11 CCE Cluster Autoscaler add-on adapted to clusters v1.17

Add-on Version

Supported Cluster Version

New Feature

Community Version

1.17.27

v1.17

  • Optimized logging.
  • Fixed a bug so that deleted node pools are automatically removed.
  • Supported priority-based scheduling.
  • Fixed the issue where taints on newly added nodes can be overwritten.
  • Fixed a bug so that scale-in can be triggered on the nodes whose capacity is lower than the scale-in threshold when the node scaling policy is disabled.
  • Modified the memory request and limit of a custom flavor.
  • Allowed a node pool with auto scaling disabled to report a scaling failure event.

1.17.0

1.17.22

v1.17

Optimized logging.

1.17.0

1.17.21

v1.17

Fixed the issue where scale-out fails when the number of nodes to be added at a time exceeds the upper limit in periodic scale-outs.

1.17.0

1.17.19

v1.17

Fixed the issue where authentication fails due to incorrect signature in the add-on request retries.

1.17.0

1.17.17

v1.17

Fixed the issue where auto scaling may be blocked due to a failure in deleting an unregistered node.

1.17.0

1.17.16

v1.17

Fixed the issue where the node pool modification in the existing periodic auto scaling rule does not take effect.

1.17.0

1.17.15

v1.17

Unified resource specification configuration unit.

1.17.0

1.17.14

v1.17

Fixed the issue where repeated scale-out is triggered when taints are asynchronously updated.

1.17.0

1.17.8

v1.17

Fixed bugs.

1.17.0

1.17.7

v1.17

Added log content and fixed bugs.

1.17.0

1.17.5

v1.17

Supported clusters v1.17 and allowed scaling events to be displayed on the CCE console.

1.17.0

1.17.2

v1.17

Supported clusters v1.17.

1.17.0