How to check your Hazelcast port

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Platform Notice: Data Center Only - This article only applies to Atlassian products on the data center platform.

Hazelcast is a third-party technology that is used when Confluence Data Center is installed in a cluster. It is used by Confluence and Synchrony. For details on those ports, check the document below:

Hazelcast port for Confluence

The Hazelcast port for Confluence can be changed by using the confluence.cluster.hazelcast.listenPort  system property. See Configuring+System+Properties to find out the various ways system properties can be set in your site. 

If the confluence.cluster.hazelcast.listenPort system property is not present, the Hazelcast port for Confluence will default to port 5801

Hazelcast port for Synchrony

The Hazelcast port for Synchrony can be changed by using the cluster.listen.port property.  The way this property is passed to Synchrony depends on how you run Synchrony. 

  • If you run a Synchrony standalone cluster, the Hazelcast port is customized by adding the cluster.listen.port  property in the start-synchrony.sh  or start-synchront.bat  script.
  • If you use managed Synchrony, the Hazelcast port is customized by adding the cluster.listen.port  property to the synchrony-args.properties  file. 

If the cluster.listen.port property is not present, the Hazelcast port for Synchrony will default to port 5701

Last modified on Jun 8, 2022

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