Kubernetes ReplicaSet: Difference between revisions
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=Overview= | =Overview= | ||
A ReplicaSet is a [[Kubernetes_Workload_Resources#Overview|workload resource]] aimed at maintaining a stable set of replica Pods running at any given time, guaranteeing the availability of a specified number of identical Pods. | |||
=Replicaset Controller= | =Replicaset Controller= | ||
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The replicaset controller is part of the [[Kubernetes_Control_Plane_and_Data_Plane_Concepts#Controller_Manager|controller manager]]. The controller implements a watch loop that is constantly observing the cluster making sure that the current state matches the desired state - the desired number of pods. | The replicaset controller is part of the [[Kubernetes_Control_Plane_and_Data_Plane_Concepts#Controller_Manager|controller manager]]. The controller implements a watch loop that is constantly observing the cluster making sure that the current state matches the desired state - the desired number of pods. | ||
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=Scaling= | =Scaling= | ||
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A ReplicaSet has a Scale sub-resource, allowing it to be controlled by a [[Kubernetes Horizontal Pod Autoscaler#Overview|horizontal pod autoscaler]]. | A ReplicaSet has a Scale sub-resource, allowing it to be controlled by a [[Kubernetes Horizontal Pod Autoscaler#Overview|horizontal pod autoscaler]]. | ||
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Latest revision as of 00:08, 13 July 2023
External
Internal
Overview
A ReplicaSet is a workload resource aimed at maintaining a stable set of replica Pods running at any given time, guaranteeing the availability of a specified number of identical Pods.
Replicaset Controller
The replicaset controller is part of the controller manager. The controller implements a watch loop that is constantly observing the cluster making sure that the current state matches the desired state - the desired number of pods.
Scaling
A ReplicaSet has a Scale sub-resource, allowing it to be controlled by a horizontal pod autoscaler.