Prerequisites and configuration

Before starting to work in cluster mode, make sure that:

• two instances of the Tomcat application server are installed and started.

  For more information, see Setting up High Availability on Talend Help Center .

• two Talend CommandLine applications are started. For each one of them, parameters have been set in the Configuration page of Talend Administration Center web application.

  For more information, see Setting up the Job Conductor parameters,

• several execution servers are grouped in a virtual server and are up and running.

  For more information on how to group physical servers in a virtual server, see Configuring virtual servers.