The Slow Queries. The slow query log consists of SQL statements that take more than long_query_time seconds to execute and require at least min_examined_row_limit rows to be examined. Detecting Slow Queries.
List long-running and slow queries on PostgreSQL. The slow query log is a record of SQL queries that took a long time to perform. Slow queries are those that take more time measured in seconds than they should based on the value stored in the server variable long_query_time.
Having slow queries means your users are more likely to see spinners or loading screens instead of the information theyve requested.
SELECT creation_time last_execution_time total_physical_reads total_logical_reads total_logical_writes execution_count total_worker. The pg_stat_activity view allows you to see all running queries and how long they are taking on your PostgreSQL database. For example to print all slow queries that have already been recorded run the command. It is typically obvious when a window is opened and a component takes time before database data is displayed.