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Installing Talend Data Preparation in cluster mode

To install Talend Data Preparation in cluster mode, you need to make some modifications in the <Data_Preparation_Path>/config/ configuration file.

To perform this installation, you need to install and configure as many instances of Talend Data Preparation and its dependencies as necessary.

Before you begin


  1. Install a first Talend Data Preparation instance.
    For more information on the Talend Data Preparation installation procedure, see Installing Talend Data Preparation manually.
  2. In the <Data_Preparation_Path>/config/ file, edit the property to specify the hosts and ports of the several MongoDB instances.
    Use the following syntax:<host1>:<port1>,<host2>:<port2>,...,<hostN>

    The hosts and ports for the different URLs must be concatenated, except for the last host, that will inherit the value of the mongo.port property. For example:,
  3. Edit the service.cache.file.location and properties to specify the location of your Network File System, or shared folder that must be available to all the Talend Data Preparation instances. For example:
  4. Edit the properties specifying the hosts and ports for the Kafka and ZooKeeper instances.
    In the same way as the MongoDB URLs, the Kafka and ZooKeeper hosts and ports must be concatenated, except for the last port, that is inherited from the dedicated properties.,host2:9092,host3,host2:2181,host3
  5. To increase the session duration and reduce the risk of unexpected logouts, add the following lines:
  6. Repeat this installation and configuration procedure for each instance of Talend Data Preparation that you want to install.


The several Talend Data Preparation instances have been installed and configured to work in cluster mode.

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