---
title: Replication Controller
id: replication-controller
date: 2018-04-12
full_link: 
short_description: >
  Kubernetes service that ensures a specific number of instances of a pod are always running.

aka: 
tags:
- workload
- core-object
---
 Kubernetes service that ensures a specific number of instances of a pod are always running.

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Will automatically add or remove running instances of a pod, based on a set value for that pod. Allows the pod to return to the defined number of instances if pods are deleted or if too many are started by mistake.