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Reword glossary entry for ReplicaSet #16886

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10 changes: 6 additions & 4 deletions content/en/docs/reference/glossary/replica-set.md
Original file line number Diff line number Diff line change
Expand Up @@ -4,16 +4,18 @@ id: replica-set
date: 2018-04-12
full_link: /docs/concepts/workloads/controllers/replicaset/
short_description: >
ReplicaSet is the next-generation Replication Controller.
ReplicaSet ensures that a specified number of Pod replicas are running at one time

aka:
tags:
- fundamental
- core-object
- workload
---
ReplicaSet is the next-generation Replication Controller.
A ReplicaSet (aims to) maintain a set of replica Pods running at any given time.

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ReplicaSet, like ReplicationController, ensures that a specified number of pods replicas are running at one time. ReplicaSet supports the new set-based selector requirements as described in the labels user guide, whereas a Replication Controller only supports equality-based selector requirements.
Workload objects such as {{< glossary_tooltip term_id="deployment" >}} make use of ReplicaSets
to ensure that the configured number of {{< glossary_tooltip term_id="pod" text="Pods" >}} are
running in your cluster, based on the spec of that ReplicaSet.