Volcano Scheduler Release History

CCE regularly updates the Volcano Scheduler 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** Volcano Scheduler add-on
Add-on Version	Supported Cluster Version	New Feature
1.16.17	v1.25 v1.27 v1.28 v1.29 v1.30 v1.31	Supported even scheduling on virtual GPUs.
1.15.6	v1.23 v1.25 v1.27 v1.28 v1.29 v1.30	Resources can be oversubscribed based on pod profiling.
1.13.3	v1.21 v1.23 v1.25 v1.27 v1.28 v1.29	Supported scale-in of custom resources based on node priorities. Optimized the association between preemption and node scale-out.
1.13.1	v1.21 v1.23 v1.25 v1.27 v1.28 v1.29	Optimized scheduler memory usage.
1.12.18	v1.21 v1.23 v1.25 v1.27 v1.28 v1.29	CCE clusters v1.29 are supported. The preemption function is enabled by default.
1.11.21	v1.19.16 v1.21 v1.23 v1.25 v1.27 v1.28	Supported Kubernetes v1.28. Supported load-aware scheduling. Changed the image OS to Huawei Cloud EulerOS 2.0. Optimized CSI resource preemption. Optimized load-aware rescheduling. Optimized preemption in hybrid deployment scenarios.
1.11.6	v1.19.16 v1.21 v1.23 v1.25 v1.27	Supported Kubernetes v1.27. Supported rescheduling. Supported affinity scheduling of nodes in node pools. Optimized the scheduling performance.
1.10.7	v1.19.16 v1.21 v1.23 v1.25	Fixed the issue that the local PV add-on fails to calculate the number of pods pre-bound to nodes.
1.10.5	v1.19.16 v1.21 v1.23 v1.25	The volcano agent supports resource oversubscription. Added the verification admission for GPUs. The value of nvidia.com/gpu must be less than 1 or a positive integer, and the value of volcano.sh/gpu-core.percentage must be less than 100 and a multiple of 5. Fixed the issue that pod scheduling is slow after PVC binding fails. Fixed the issue that newly added pods cannot run when there are terminating pods on a node for a long time. Fixed the issue that Volcano restarts during concurrent PVC creation or mounting to pods.
1.9.1	v1.19.16 v1.21 v1.23 v1.25	Fixed the issue that the counting pipeline pod of the networkresource plugin occupies supplementary network interfaces. Fixed the issue where the binpack plugin scores nodes with insufficient resources. Fixed the issue of processing resources in the pod with unknown end status. Optimized event output. Supported HA deployment by default.
1.7.2	v1.19.16 v1.21 v1.23 v1.25	Supported clusters v1.25. Improved scheduling performance of Volcano.
1.7.1	v1.19.16 v1.21 v1.23 v1.25	Supported clusters v1.25.
1.4.7	v1.15 v1.17 v1.19 v1.21	Deleted the pod status Undetermined to adapt to cluster Autoscaler.
1.4.5	v1.17 v1.19 v1.21	Changed the deployment mode of Volcano Scheduler from StatefulSet to Deployment, and fixed the issue that pods cannot be automatically migrated when the node is abnormal.
1.4.2	v1.15 v1.17 v1.19 v1.21	Resolved the issue that cross-GPU allocation fails. Supported the updated EAS API.
1.3.7	v1.15 v1.17 v1.19 v1.21	Supported hybrid deployment of online and offline jobs and resource oversubscription. Optimized the scheduling throughput for clusters. Fixed the issue where the scheduler panics in certain scenarios. Fixed the issue that the volumes.secret verification of the volcano job in the CCE clusters v1.15 fails. Fixed the issue that jobs fail to be scheduled when volumes are mounted.
1.3.3	v1.15 v1.17 v1.19 v1.21	Fixed the scheduler crash caused by a GPU error and a privileged init container admission failure.
1.3.1	v1.15 v1.17 v1.19	Upgraded the Volcano framework to the latest version. Supported Kubernetes v1.19. Added the numa-aware plugin. Fixed the deployment scaling issue in the multi-queue scenario. Adjusted the algorithm plugin that is enabled by default.
1.2.5	v1.15 v1.17 v1.19	Fixed the OutOfcpu issue in some scenarios. Fixed the issue that pods cannot be scheduled when some capabilities are set for a queue. Made the log time of the volcano component consistent with the system time. Fixed the issue of preemption between multiple queues. Fixed the issue that ioaware plugin cannot behave as expected in some scenarios. Supported hybrid clusters.
1.2.3	v1.15 v1.17 v1.19	Fixed the training task OOM issue caused by inaccuracy. Fixed the GPU scheduling issue in CCE clusters of v1.15 and later versions. Rolling upgrade of CCE versions during task distribution is not supported. Fixed the issue where the queue status is unknown in certain scenarios. Fixed the issue where a panic occurs when a PVC is mounted to a job in a specific scenario. Fixed the issue that decimals cannot be configured for GPU jobs. Added the ioaware plugin. Added ring controller.