Tableau Server Collections Service
The Tableau Server Collections service was added in Tableau Server version 2021.2. The Collections service powers the Collections feature. It provides information about collections and connects with the Content Exploration service to get meta data about collections and items within collections. The Collections service also supports the Favourites feature.
The Collections Service is automatically installed on the first node where Application Server (vizportal) is installed.
For high availability and better performance, we recommend you install one instance of the Collections Service on every node that is running the Application Server (vizportal).
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Impact if the Collections Service is not running properly
If the Collections Service stops, it should automatically restart as long as the computer itself is otherwise healthy.
One instance of Collections service
If you have a single instance of the Collections service configured and that instance fails, collections and favourites will not be available.
Multiple instances of Collections service
If you have a multi-node installation of Tableau Server and have configured instances of the Collections service on multiple nodes, when one instance fails, collections and favourites may not be available to some users.
The Collections Service creates two sets of log files:
control_collections*.log: These logs will contain information about the service starting and being enabled.
collections_*.log: Any errors or problems are logged here.
For more information, see Tableau Server Logs and Log File Locations.