Managing the number of nodes in Confluence Data Center

This insight appears when your Confluence Data Center's node count falls outside the recommended range of 2-8 nodes. This metric is crucial for maintaining optimal system redundancy, performance, and scalability across your Confluence Data Center deployment. You can monitor your nodes at

 /plugins/servlet/cluster-monitoring.

How does node count affect performance?

Your node configuration can impact your instance in several ways:

• High availability and disaster recovery capabilities

• System performance and response times

• Resource utilization and scalability

• Maintenance flexibility and upgrade processes

• Inter-node communication overhead

What's the recommendation?

What's the recommendation?

To optimize your cluster configuration, follow these recommendations:

Add nodes for redundancy

If running with fewer than two nodes:

1. Prepare for node addition:

   • Stop one existing node

   • Copy installation and local home directories

   • Configure the new node's properties

2. Configure the new node:

   • Edit cluster.properties in the local home directory

   • Set unique confluence.node.id

   • Verify shared home accessibility

3. Verify cluster health:

   • Go to Administration > Clustering

   • Confirm new node is visible and active

   • Check synchronization status

Learn about adding nodes to your cluster

Review node resource allocation

Before adding more nodes, optimize your existing configuration:

1. Monitor current performance:

   • Check CPU utilization

   • Review memory usage

   • Analyze response times

   • Verify storage performance

2. Assess resource distribution:

   • Evaluate load balancer configuration

   • Check cache utilization

   • Monitor database connections

   • Review synchronized data flow

Review node sizing guidelines

Consider vertical scaling

When performance issues arise:

1. Evaluate current specifications:

   • Review CPU allocation

   • Check memory configuration

   • Assess storage performance

2. Optimize existing nodes:

   • Upgrade hardware where needed

   • Tune JVM settings

   • Configure cache appropriately

 Learn about Confluence Data Center clustering

Optimize storage infrastructure

Ensure proper storage configuration:

1. Configure storage:

   • Use SSD for local home directories

   • Optimize shared home storage

   • Verify backup procedures

2. Monitor performance:

   • Track I/O metrics

   • Review latency statistics

   • Check storage capacity