Learn how to ensure your PolyBase objects are accessible from all nodes in an Availability Group.
Availability databases hosted on SQL Server Always On Availability Groups (AG) can be connected using a unique Virtual Network Name (VNN), called the Availability Group Listener. When an Availability Group is enabled, clients can connect to databases in both primary and secondary replicas without explicitly specifying the SQL Server instance name. You don’t even need […]
In this case, the cause of the long failover time was enabling Query Store after upgrading, for a database with a large workload of ad hoc queries, meaning there was 100GB of Query Store data to load.