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Data Cleanup
Data Cleanup Before database upgrades, Liferay executes data cleanup processes to repair databases with obsolete data. This lightens the load of the upgrade tool, improving performance and reducing...
Preparing for an Upgrade
Preparing for an Upgrade Preparation and planning may be of little consequence for small, casual installations but is mandatory for large enterprise-level installations. Create a Back Up Always...
Default Setting and Feature Flag Changes in 7.4
Default Setting and Feature Flag Changes in 7.4 Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, you should review the...
Renamed Language Keys
Renamed Language Keys In Liferay DXP/Portal 7.4, module language keys were centralized to a module called portal-language-lang. Source location: ...
Maintenance Mode and Deprecations in 7.4
Maintenance Mode and Deprecations in 7.4 With each new Liferay DXP and Liferay Portal release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for a...
Database Pruning for Faster Upgrades
Database Pruning for Faster Upgrades The more data you have the longer your data upgrade takes. Unneeded site data is a common occurrence. Pruning the database of unneeded data improves upgrade...
Database Tuning for Upgrades
Database Tuning for Upgrades Performing an upgrade impacts the database differently from daily running in production. Because of this, you should tune your database for the upgrade process before...
Common Upgrade Issues
Common Upgrade Issues Skipping an upgrade step or creating custom references to the Liferay database, can cause upgrade issues. The following questions and answers address some common situations. ...