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+### Understand the alert
+
+This alert monitors the total `connection utilization` of a PostgreSQL database. If you receive this alert, it means that your `PostgreSQL` database is experiencing a high demand for connections. This can lead to performance degradation and, in extreme cases, could potentially prevent new connections from being established.
+
+### What does connection utilization mean?
+
+`Connection utilization` refers to the percentage of `database connections` currently in use compared to the maximum number of connections allowed by the PostgreSQL server. A high connection utilization implies that the server is handling a large number of concurrent connections, and its resources may be strained, leading to decreased performance.
+
+### Troubleshoot the alert
+
+1. Check the current connections to the PostgreSQL database:
+
+   You can use the following SQL query to check the number of active connections for each database:
+   
+   ```
+   SELECT datname, count(*) FROM pg_stat_activity GROUP BY datname;
+   ```
+   
+   or use the following command to check the total connections to all databases:
+   
+   ```
+   SELECT count(*) FROM pg_stat_activity;
+   ```
+
+2. Identify the source of increased connections:
+
+   To find out which user or application is responsible for the high connection count, you can use the following SQL query:
+
+   ```
+   SELECT usename, application_name, count(*) FROM pg_stat_activity GROUP BY usename, application_name;
+   ```
+
+   This query shows the number of connections per user and application, which can help you identify the source of the increased connection demand.
+
+3. Optimize connection pooling:
+
+   If you are using an application server, such as `pgBouncer`, that supports connection pooling, consider adjusting the connection pool settings to better manage the available connections. This can help mitigate high connection utilization.
+
+4. Increase the maximum connections limit:
+
+   If your server has the necessary resources, you may consider increasing the maximum number of connections allowed by the PostgreSQL server. To do this, modify the `max_connections` configuration parameter in the `postgresql.conf` file and then restart the PostgreSQL service.
+
+### Useful resources
+
+1. [PostgreSQL: max_connections](https://www.postgresql.org/docs/current/runtime-config-connection.html#GUC-MAX-CONNECTIONS)