AppDynamics On-Premises >= 23.4.0 includes Events Service that uses Elasticsearch 8.x version. Events Service Cluster 23.x uses Elasticsearch 8.x whereas, Events Service Cluster 4.5.x uses Elasticsearch 2.4.1 version. When you upgrade the Events Service from versions < 23.4.0 to the latest version, you must migrate data from Elasticsearch 2.4.1 to 8.x version. AppDynamics provides a migration utility that helps you migrate the data.

You can migrate Events Service data in one of the following methods:

MethodsAdvantagesLimitations

Use the Events Service Node to Migrate Data

No extra hardware is required.

Port must be unique for two versions of the Events Service. Else, the Events Service cluster crashes.

Use the Load Balancer to Migrate Events Service Data

As configurations are unique to each load balancers, the Events Service does not crash.

You require to configure an extra Load Balancer to migrate data