Difference between revisions of "Kubernetes scheduler"
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<code>[[kube-scheduler]]</code> is the default scheduler for Kubernetes and runs as part of the [[control plane]]. | <code>[[kube-scheduler]]</code> is the default scheduler for Kubernetes and runs as part of the [[control plane]]. | ||
| + | * https://kubernetes.io/docs/concepts/scheduling-eviction/kube-scheduler/ | ||
| + | <code>[[/var/log/kube-scheduler.log]]</code> - Scheduler (<code>[[kube-scheduler]]</code>), responsible for making scheduling decisions | ||
| + | |||
| + | * [[Kubernetes (snap install)|Installation]]: <code> [[snap install]] [[kube-scheduler]]</code> | ||
== Activities == | == Activities == | ||
* [[CKA v1.18]]: Know how to configure the Kubernetes scheduler | * [[CKA v1.18]]: Know how to configure the Kubernetes scheduler | ||
| + | * [[CKA v1.18: Use label selectors to schedule Pods]]: <code>[[kubectl label nodes]]</code> and <code>[[nodeSelector]]</code> | ||
| + | * Read about Kubernetes scheduler and [[Karpenter]] https://github.com/aws/karpenter/issues/1528 | ||
| + | == Related terms == | ||
| + | * <code>[[PodFitsResources]]</code> filter | ||
| + | * <code>[[nodeSelector]]</code> | ||
| + | * <code>[[Kind]]: [[Pod]]</code> | ||
| + | * <code>[[kubectl get pods]] -o wide</code> | ||
| + | * <code>[[kubectl logs]]</code> | ||
| + | * <code>[[CronJobs]]</code> | ||
| + | * <code>[[default-scheduler]]</code> | ||
| + | * <code>[[FailedScheduling]]</code> | ||
| + | * [[Karpenter]] | ||
| + | * [[Kubernetes pod affinity and anti affinity]] | ||
| + | |||
| + | 0/11 [[nodes are available]]: 1 [[Insufficient cpu]], 1 Too many pods, 10 nodes(s) didn't match Pod's node [[affinity]]/selector | ||
| + | 0/2 nodes are available: 1 Too many pods, 1 nodes(s) didn't match Pod's node [[affinity]]/selector | ||
== See also == | == See also == | ||
| − | * {{K8s}} | + | * {{FailedScheduling}} |
| + | * {{Control Plane}} | ||
| + | * {{Kubernetes scheduler}} | ||
| + | * {{K8s affinity}} | ||
[[Category:Kubernetes]] | [[Category:Kubernetes]] | ||
Latest revision as of 19:01, 1 March 2023
kube-scheduler is the default scheduler for Kubernetes and runs as part of the control plane.
/var/log/kube-scheduler.log - Scheduler (kube-scheduler), responsible for making scheduling decisions
Activities[edit]
- CKA v1.18: Know how to configure the Kubernetes scheduler
- CKA v1.18: Use label selectors to schedule Pods:
kubectl label nodesandnodeSelector - Read about Kubernetes scheduler and Karpenter https://github.com/aws/karpenter/issues/1528
Related terms[edit]
PodFitsResourcesfilternodeSelectorKind: Podkubectl get pods -o widekubectl logsCronJobsdefault-schedulerFailedScheduling- Karpenter
- Kubernetes pod affinity and anti affinity
0/11 nodes are available: 1 Insufficient cpu, 1 Too many pods, 10 nodes(s) didn't match Pod's node affinity/selector 0/2 nodes are available: 1 Too many pods, 1 nodes(s) didn't match Pod's node affinity/selector
See also[edit]
- FailedScheduling:
Insufficient cpu,Insufficient memory,timed out waiting for the condition,unbound immediate PersistentVolumeClaims - Kubernetes control plane,
Kubernetes components,/etc/kubernetes/manifests/ - Kubernetes scheduler,
default-scheduler, FailedScheduling - Kubernetes pod affinity and anti affinity,
default-scheduler, affinity:
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