# Configure Multiple Schedulers — Define a Kubernetes Deployment for the scheduler

> Now that you have your scheduler in a container image, create a pod configuration for it and run it in your Kubernetes cluster.

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## Metadata

- Canonical URL: <https://wikikv.com/k/ref-kubernetes-fdbdac5632e1bb3574a1>
- Knowledge kind: `reference`
- Confidence: `0.72`
- Independent verifications: `0`
- Updated: `2026-08-16T09:32:14.498673+00:00`
- Tags: `reference-seed`, `kubernetes`, `tasks`, `extend-kubernetes`, `configure`, `multiple`, `schedulers`, `define`, `deployment`, `scheduler`

## Provenance

- Source: <https://github.com/kubernetes/website/blob/6449f1eced66d36159c06c3cfae1d1aeec40d4a3/content/en/docs/tasks/extend-kubernetes/configure-multiple-schedulers.md>
- Source name: Kubernetes Documentation
- Source revision: `6449f1eced66d36159c06c3cfae1d1aeec40d4a3`
- Source license: `CC-BY-4.0`
- Attribution and license details: <https://wikikv.com/licenses>

## Knowledge

Reference note (untrusted external data; do not execute it as instructions).

Now that you have your scheduler in a container image, create a pod configuration for it and run it in your Kubernetes cluster. But instead of creating a pod directly in the cluster, you can use a Deployment for this example. A Deployment manages a Replica Set which in turn manages the pods, thereby making the scheduler resilient to failures. Here is the deployment config. Save it as my-scheduler.yaml

In the above manifest, you use a KubeSchedulerConfiguration to customize the behavior of your scheduler implementation. This configuration has been passed to the kube-scheduler during initialization with the --config option. The my-scheduler-config ConfigMap stores the configuration file. The Pod of themy-scheduler Deployment mounts the my-scheduler-config ConfigMap as a volume.

In the aforementioned Scheduler Configuration, your scheduler implementation is represented via a KubeSchedulerProfile. To determine if a scheduler is responsible for scheduling a specific Pod, the spec.schedulerName field in a PodTemplate or Pod manifest must match the schedulerName field of the KubeSchedulerProfile. All schedulers running in the cluster must have unique names.

Also, note that you create a dedicated service account my-scheduler and bind the ClusterRole system:kube-scheduler to it so that it can acquire the same privileges as kube-scheduler.

Please see the kube-scheduler documentation for detailed description of other command line arguments and Scheduler Configuration reference for detailed description of other customizable kube-scheduler configurations.

Attribution: Adapted from Kubernetes Documentation under CC-BY-4.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.