Expander Class

Package:: com.azure.resourcemanager.containerservice.models

Maven Artifact:: com.azure.resourcemanager:azure-resourcemanager-containerservice:2.58.0

java.lang.Object
- com.azure.core.util.ExpandableStringEnum<T>
- - com.azure.resourcemanager.containerservice.models.Expander

public final class Expander
extends ExpandableStringEnum<Expander>

The expander to use when scaling up. If not specified, the default is 'random'. See [expanders](https://github.com/kubernetes/autoscaler/blob/master/cluster-autoscaler/FAQ.md\#what-are-expanders) for more information.

Field Summary

Modifier and Type	Field and Description
static final Expander	LEAST_WASTE Selects the node group that will have the least idle CPU (if tied, unused memory) after scale-up.
static final Expander	MOST_PODS Selects the node group that would be able to schedule the most pods when scaling up.
static final Expander	PRIORITY Selects the node group that has the highest priority assigned by the user.
static final Expander	RANDOM Used when you don't have a particular need for the node groups to scale differently.

Constructor Summary

Constructor	Description
Expander()	Deprecated Use the fromString(String name) factory method. Creates a new instance of Expander value.

Constructor

Description

Expander()

Deprecated

Use the fromString(String name) factory method.

Creates a new instance of Expander value.

Method Summary

Modifier and Type	Method and Description
static Expander	fromString(String name) Creates or finds a Expander from its string representation.
static Collection<Expander>	values() Gets known Expander values.

Methods inherited from ExpandableStringEnum

<T>fromString <T>values equals getValue hashCode toString

Methods inherited from java.lang.Object

clone finalize getClass notify notifyAll wait wait wait

Field Details

LEAST_WASTE

public static final Expander LEAST_WASTE

Selects the node group that will have the least idle CPU (if tied, unused memory) after scale-up. This is useful when you have different classes of nodes, for example, high CPU or high memory nodes, and only want to expand those when there are pending pods that need a lot of those resources.

MOST_PODS

public static final Expander MOST_PODS

Selects the node group that would be able to schedule the most pods when scaling up. This is useful when you are using nodeSelector to make sure certain pods land on certain nodes. Note that this won't cause the autoscaler to select bigger nodes vs. smaller, as it can add multiple smaller nodes at once.

PRIORITY

public static final Expander PRIORITY

Selects the node group that has the highest priority assigned by the user. It's configuration is described in more details [here](https://github.com/kubernetes/autoscaler/blob/master/cluster-autoscaler/expander/priority/readme.md).

RANDOM

public static final Expander RANDOM

Used when you don't have a particular need for the node groups to scale differently.

Constructor Details

Expander

@Deprecated
public Expander()

Deprecated

Use the fromString(String name) factory method.

Creates a new instance of Expander value.

Method Details

fromString

public static Expander fromString(String name)

Creates or finds a Expander from its string representation.

Parameters:

name - a name to look for.

Returns:

the corresponding Expander.

values

public static Collection<Expander> values()

Gets known Expander values.