- Make sure you backup your database before upgrading.
Upgrading your application also upgrades the associated database content (database schema, stored procedures, indexes and data).
A part of the Talend Data Catalog software is implemented as database stored procedures, such as tracing lineage. A given version of Talend Data Catalog corresponds to a version of the software in the Tomcat application server and a version of the software in the database.
- Ensure that the database has enough free space for the migration process.
Software installation directory
The software installation directory contains some critical application data and setup customizations. This table describes where you can find them.
If you have customized some of these files, you will need to copy them from the old installation directory to the new one during the migration process.
|\postgresql\data||contains the actual PostgreSQL database data when configured with the Setup utility in the Database Server tab.|
|\data||contains data from other applications:
The actual location of this application server data directory can be configured with the Setup utility, in the Application Server tab.
|\conf||contains the configuration and customizations:
|\tomcat\conf||The tomcat.properties file contains the Tomcat port
and memory customizations.
The keystore file contains the Tomcat SSL certificates defined with the Setup utility.
|\jre\lib\security||contains some SSL customizations.
It is recommended to reinstall the SSL keys with the Setup utility and not reuse such directory.