| RESOURCE_NAME | CURRENT_UTILIZATION | MAX_UTILIZATION | INITIAL_ALLOCATION | LIMIT_VALUE | In our case, we are interested in the processes and sessions resources, so we can use the following query to gather this info:Īnd when running this SQL query on my local Oracle XE database, I get the following result: If you’re using Oracle, you can use the V$RESOURCE_LIMIT view to inspect the maximum limits for various system resources, as well as the current allocation numbers. In this article, we are going to see what limits the number of database connections, no matter if you’re using Oracle, SQL Server, PostgreSQL, or MySQL. Have you ever wondered what the maximum number of database connections provided by a given RDBMS is?

So, enjoy spending your time on the things you love rather than fixing performance issues in your production system on a Saturday night! Well, Hypersistence Optimizer is that tool!Īnd it works with Spring Boot, Spring Framework, Jakarta EE, Java EE, Quarkus, or Play Framework. Follow having a tool that can automatically detect JPA and Hibernate performance issues.

Postgresql where in