Graduate PodAffinityNamespaceSelector to GA
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@ -442,7 +442,7 @@ pods 0 10
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### Cross-namespace Pod Affinity Quota
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### Cross-namespace Pod Affinity Quota
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{{< feature-state for_k8s_version="v1.22" state="beta" >}}
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{{< feature-state for_k8s_version="v1.24" state="stable" >}}
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Operators can use `CrossNamespacePodAffinity` quota scope to limit which namespaces are allowed to
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Operators can use `CrossNamespacePodAffinity` quota scope to limit which namespaces are allowed to
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have pods with affinity terms that cross namespaces. Specifically, it controls which pods are allowed
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have pods with affinity terms that cross namespaces. Specifically, it controls which pods are allowed
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@ -493,10 +493,6 @@ With the above configuration, pods can use `namespaces` and `namespaceSelector`
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if the namespace where they are created have a resource quota object with
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if the namespace where they are created have a resource quota object with
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`CrossNamespaceAffinity` scope and a hard limit greater than or equal to the number of pods using those fields.
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`CrossNamespaceAffinity` scope and a hard limit greater than or equal to the number of pods using those fields.
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This feature is beta and enabled by default. You can disable it using the
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[feature gate](/docs/reference/command-line-tools-reference/feature-gates/)
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`PodAffinityNamespaceSelector` in both kube-apiserver and kube-scheduler.
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## Requests compared to Limits {#requests-vs-limits}
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## Requests compared to Limits {#requests-vs-limits}
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When allocating compute resources, each container may specify a request and a limit value for either CPU or memory.
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When allocating compute resources, each container may specify a request and a limit value for either CPU or memory.
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@ -271,17 +271,13 @@ All `matchExpressions` associated with `requiredDuringSchedulingIgnoredDuringExe
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must be satisfied for the pod to be scheduled onto a node.
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must be satisfied for the pod to be scheduled onto a node.
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#### Namespace selector
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#### Namespace selector
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{{< feature-state for_k8s_version="v1.22" state="beta" >}}
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{{< feature-state for_k8s_version="v1.24" state="stable" >}}
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Users can also select matching namespaces using `namespaceSelector`, which is a label query over the set of namespaces.
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Users can also select matching namespaces using `namespaceSelector`, which is a label query over the set of namespaces.
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The affinity term is applied to the union of the namespaces selected by `namespaceSelector` and the ones listed in the `namespaces` field.
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The affinity term is applied to the union of the namespaces selected by `namespaceSelector` and the ones listed in the `namespaces` field.
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Note that an empty `namespaceSelector` ({}) matches all namespaces, while a null or empty `namespaces` list and
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Note that an empty `namespaceSelector` ({}) matches all namespaces, while a null or empty `namespaces` list and
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null `namespaceSelector` means "this pod's namespace".
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null `namespaceSelector` means "this pod's namespace".
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This feature is beta and enabled by default. You can disable it via the
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[feature gate](/docs/reference/command-line-tools-reference/feature-gates/)
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`PodAffinityNamespaceSelector` in both kube-apiserver and kube-scheduler.
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#### More Practical Use-cases
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#### More Practical Use-cases
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Interpod Affinity and AntiAffinity can be even more useful when they are used with higher
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Interpod Affinity and AntiAffinity can be even more useful when they are used with higher
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@ -167,8 +167,6 @@ different Kubernetes components.
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| `OpenAPIEnums` | `false` | Alpha | 1.23 | |
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| `OpenAPIEnums` | `false` | Alpha | 1.23 | |
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| `OpenAPIV3` | `false` | Alpha | 1.23 | |
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| `OpenAPIV3` | `false` | Alpha | 1.23 | |
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| `PodAndContainerStatsFromCRI` | `false` | Alpha | 1.23 | |
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| `PodAndContainerStatsFromCRI` | `false` | Alpha | 1.23 | |
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| `PodAffinityNamespaceSelector` | `false` | Alpha | 1.21 | 1.21 |
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| `PodAffinityNamespaceSelector` | `true` | Beta | 1.22 | |
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| `PodDeletionCost` | `false` | Alpha | 1.21 | 1.21 |
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| `PodDeletionCost` | `false` | Alpha | 1.21 | 1.21 |
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| `PodDeletionCost` | `true` | Beta | 1.22 | |
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| `PodDeletionCost` | `true` | Beta | 1.22 | |
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| `PodOverhead` | `false` | Alpha | 1.16 | 1.17 |
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| `PodOverhead` | `false` | Alpha | 1.16 | 1.17 |
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@ -382,6 +380,9 @@ different Kubernetes components.
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| `NonPreemptingPriority` | `false` | Alpha | 1.15 | 1.18 |
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| `NonPreemptingPriority` | `false` | Alpha | 1.15 | 1.18 |
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| `NonPreemptingPriority` | `true` | Beta | 1.19 | 1.23 |
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| `NonPreemptingPriority` | `true` | Beta | 1.19 | 1.23 |
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| `NonPreemptingPriority` | `true` | GA | 1.24 | - |
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| `NonPreemptingPriority` | `true` | GA | 1.24 | - |
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| `PodAffinityNamespaceSelector` | `false` | Alpha | 1.21 | 1.21 |
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| `PodAffinityNamespaceSelector` | `true` | Beta | 1.22 | 1.23 |
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| `PodAffinityNamespaceSelector` | `true` | GA | 1.24 | - |
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| `PVCProtection` | `false` | Alpha | 1.9 | 1.9 |
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| `PVCProtection` | `false` | Alpha | 1.9 | 1.9 |
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| `PVCProtection` | - | Deprecated | 1.10 | - |
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| `PVCProtection` | - | Deprecated | 1.10 | - |
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| `PersistentLocalVolumes` | `false` | Alpha | 1.7 | 1.9 |
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| `PersistentLocalVolumes` | `false` | Alpha | 1.7 | 1.9 |
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