sys.database_query_store_internal_state (Transact-SQL)
Applies to: 
SQL Server 2022 (16.x)
Azure SQL Managed Instance
Contains information about queue length and memory usage for the Query Store when Query Store for secondary replicas is enabled.
| Column name | Data type | Description |
|---|---|---|
| pending_message_count | bigint | The number of messages waiting in the queue on the primary for the replica where the system view is being viewed from. Not nullable. |
| messaging_memory_used_mb | bigint | The amount of memory in total taken up by the messages in the queue. Not nullable. |
Permissions
Requires the VIEW DATABASE STATE permission.
Remarks
For information on configured replicas for Query Store, see sys.query_store_replicas (Transact-SQL).
Next steps
Learn more about Query Store and related concepts in the following articles:
- Monitor performance by using the Query Store
- Query Store for secondary replicas
- sp_query_store_clear_message_queues (Transact-SQL)
- sys.query_store_wait_stats (Transact-SQL)
- sys.query_store_runtime_stats (Transact-SQL)
- sys.query_store_replicas (Transact-SQL)
- sys.query_store_plan_forcing_locations (Transact-SQL)