The Synchronization module synchronizes a target Magnolia instance with a source instance.
The module allows you to make public a large amount of content selectively. Only previously published content is transferred to the target instance. You can use the module to create new public instances without shutting down existing instances and impacting their ability to serve content.
The module traverses the node tree and publishes only previously published content. Content that was never published is not published during synchronization either. If content was versioned when it was published (Magnolia default behavior), the module publishes the last known version, making it possible to recover modified content.