It is possible to run Confluence in a clustered environment instead of on a single server. This means that you can run multiple copies of Confluence in a cluster, so that clients (such as a browser) can connect to any copy and see the same information.

Consider your options carefully before deciding on a clustered installation

While we have tried to make clustering Confluence as easy and administrator-friendly as possible, it is a major architectural change and requires extra planning for deployment and upgrades. Please consider the information on the Cluster Checklist and then consult Atlassian support before making your final decision.


This page gives an overview and links to further pages with information on installing, configuring and administering a Confluence cluster.

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Before Deciding to Run a Confluence Cluster

  1. Read and consider the details on the Cluster Checklist.
  2. Consider the difference between clustering for scalability and clustering for high availability (HA).
  3. Contact Atlassian support for further information and advice.

Technical Overview

Confluence on Virtualised Environments


Atlassian officially supports non-clustered installations of Confluence 3.0 and later on VMware. Although possible, we do not recommend (nor support) running versions of Confluence prior to 3.0 on VMware, since Confluence 3.0 resolved many performance issues that were present in earlier versions. Be aware that we also do not support clustered installations of Confluence on VMware. Please comment or vote on the feature request at CONF-19559.

Read a technical overview of clustering in Confluence.

Server and Network Requirements

Installation and Upgrading

There are two methods of installing Confluence in a cluster, depending on whether you have existing data:

If you are upgrading an existing Confluence cluster to a new version of Confluence, refer to the cluster upgrade guide.

Configuration and Administration

トラブルシューティング

関連トピック

Operating Large or Mission-Critical Confluence Installations
Performance Tuning
Requesting Performance Support
Confluence Administrator's Guide
Configuring Confluence

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