This wait type accumulates while a transaction commit is being performed on a table with Change Tracking enabled. This wait type is not documented by Microsoft so not much is known about it. If values are excessive then investigation is required
- Only enable Change Tracking on tables and columns that are absolutely required.
- Consider using Change Data Capture instead
- Upgrade disks the database and log files are hosted on
Performance Tuning SQL Server Change Tracking
How to: Use SQL Server Change Tracking