The Query Profile in Snowflake provides detailed insights into the execution of a query. It helps in troubleshooting performance issues by showing the steps of the query execution and the resources consumed. One of the key aspects it reveals is whether the virtual warehouse memory was sufficient for the query.
Access Query Profile: Navigate to the Query History page and select the query you want to analyze.
Examine Query Execution Steps: The Query Profile displays the different stages of the query execution, including the time taken and resources used at each step.
Identify Memory Issues: Look for indicators of memory issues, such as spilling to disk or memory errors, which suggest that the virtual warehouse memory might be too small.
Reference:
Snowflake Documentation: Query Profile
Snowflake Documentation: Optimizing Queries

The command USE WAREHOUSE <<warehouse name>>; is used to set the virtual warehouse for the current session in Snowflake. This command specifies which virtual warehouse to use for executing queries in that session1.
Reference: https://docs.snowflake.com/en/user-guide/warehouses-tasks.html

The Snowflake object that helps evaluate virtual warehouse performance impacted by query queuing is the Information_schema.warehouse_load_history. This view provides historical data about the load on a warehouse, including the average number of queries that were running or queued within a specific interval, which can be used to assess performance and identify potential issues with query queuing3.