Hibernate slow query log
Introduction In this article, I’m going to show you how you can activate the slow query log when using JPA and Hibernate. This slow query log feature has been available since Hibernate ORM 5.4.5 and notifies you when the execution time of a given JPQL, Criteria API or native SQL query exceeds a certain threshold value you have previously configured.
Hypersistence Optimizer Runtime Scanner
Introduction The 2.0 version of the Hypersistence Optimizer has just arrived, and it comes with a runtime scanner that is capable of analyzing your JPA and Hibernate data access operations and queries and give you tips about how you can speed up your application. Along with the JPA and Hibernate mapping and configuration scanners, the runtime scanner makes Hypersistence Optimizer an indispensable tool for building High-Performance Java Persistence applications.
PostgreSQL triggers and isolation levels
Introduction In this article, we are going to see how the PostgreSQL isolation levels guarantee read and write consistency when executing database triggers. While relational database systems provide strong data integrity guarantees, it’s very important to understand how the underlying transactional engine works in order to choose the right design for your data access layer.
