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Monitor query performance

Summary: The Query performance tab in the Neon Console Monitoring page displays the top previously run queries for a branch, compute, and database, grouped by normalized form and sortable by frequency or average execution time. Use it to identify slow or high-frequency queries without installing any extensions, since the view is built on the pg_stat_statements extension installed on a system-managed database. Query history resets whenever the Neon compute suspends or restarts, including after scaling to zero due to inactivity.

View and analyze query performance for your Neon database

You can monitor query history for your Neon project from the Monitoring page in the Neon Console.

  1. In the Neon Console, select a project.
  2. Go to Monitoring.
  3. Select the Query performance tab.

The Query performance view shows the top 100 previously run queries for the selected Branch, Compute, and Database. Queries are grouped by their normalized form, with identical queries shown as a single row with a Frequency column indicating the number of times that query has been executed. Queries can be sorted by Frequency or Average time. Use the Refresh button to load the latest queries.

Neon query performance tab

The Query performance view is powered by the pg_stat_statements Postgres extension, installed on a system managed database in your Postgres instance. Query history includes all queries run against your database, regardless of where they were issued from (Neon SQL Editor, external clients, or applications).

Note: Query history when compute restarts

In Neon, data collected by the pg_stat_statements extension is not retained when your Neon compute (where Postgres runs) is suspended or restarted. For example, if your compute scales down to zero due to inactivity, your query history is lost. New data will be gathered once your compute restarts.

To run your own queries on pg_stat_statements data, you can install the pg_stat_statements extension to your database and run your queries from the Neon SQL Editor or any SQL client, such as psql. For details on pg_stat_statements, including how to install it, what data it collects, and queries you can run, refer to our pg_stat_statements extension guide.

You can also get this data from the terminal with neon inspect db outliers and neon inspect db calls.



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