Upon upgrading to SQL Server 2019 CTP2, you may see the new SOS_WORK_DISPATCHER wait type at the top of the list:
The above screenshot is server level wait stats from my four core desktop after SQL Server was running for a few hours. SQL Server wasn’t really doing much since start up, so it felt unlikely that this wait was a sign of a problem. However, I was curious about what this wait type meant and wanted to know more.
Click through for Joe’s findings and what you should do with this wait type.