At the moment, Amazon Web Services is doing an experiment with a database connection pool service called RDS Proxy. In order to access the RDS Proxy service, please open the RDS dashboard (https://console.aws.amazon.com/rds) and select the Proxies tab on the left panel as shown in the following figure:
Figure 10.7 shows how the RDS proxy works as a connection pool between applications and RDS databases:
However, currently, the RDS Proxy service is still in preview only. With this preview status, the RDS proxy service is able to create connection pools for Aurora MySQL RDS, MySQL RDS, and Aurora PostgreSQL RDS. This means that this AWS connection pool service is not available for our current PostgreSQL version 12.2.
Therefore, we are going to install a PostgreSQL connection pool on our own with either of the following:
- pgpool...