---
title: "PostgreSQL cluster fault tolerance"
sidebar_label: "Cluster fault tolerance"
sidebar_position: 17
description: "The role of the master node and replicas in a PostgreSQL cluster, node placement in a cluster, how to change the number of replicas"
---

import ClusterFaultTolerance from '@site/i18n/en/docusaurus-plugin-content-docs/current/_partials/managed-databases/postgresql/cluster-fault-tolerance.mdx'
import Formbricks from '@theme/MDXComponents/Formbricks'

# PostgreSQL cluster fault tolerance

<ClusterFaultTolerance DatabaseName="PostgreSQL" slug="postgresql" />

<Formbricks />