The best way to write a Spring Data Exists Query

Introduction In this article, I’m going to show you the best way to write a Spring Data Exists Query that’s efficient from an SQL perspective. While doing consulting, I’ve encountered several options that are commonly used without developers knowing there are actually better alternatives.

Spring Boot Application Properties

Introduction In this article, I’m going to show you the best way to configure the Spring Boot Application Properties file. This is not just theoretical advice. I applied all these tips when developing RevoGain, a web application that allows you to calculate the gains you realized while trading stocks, commodities, or crypto using Revolut.

The best way to use the Spring Transactional annotation

Introduction In this article, I’m going to show you the best way to use the Spring Transactional annotation. This is one of the best practices I applied when developing RevoGain, a web application that allows you to calculate the gains you realized while trading stocks, commodities, or crypto using Revolut.

Keyset Pagination with Spring

Introduction In this article, I’m going to show you how you can use the Keyset Pagination technique with Spring or Spring Boot. While the default offset-based pagination provided by Spring Data PagingAndSortingRepository is useful in many situations, if you have a large result set that you have to iterate over, then the Keyset Pagination or Seek Method technique provides better performance.

The best way to write a custom Spring Data Repository

Introduction In this article, I’m going to show you the best way to write a custom Spring Data Repository. While the default JpaRepository methods, as well as the query methods, are very convenient in many situations, there might be times when you need custom Repository methods that can take advantage of any JPA provider-specific functionality.

Spring Boot performance monitoring

Introduction To ensure that your Spring Boot application fulfills the SLA (Service Level Agreement) requirements, you need a performance monitoring tool. In this article, I’m going to show you how you can monitor the data access layer of a Spring Boot application using Hypersistence Optimizer.

High-Performance Java Persistence Newsletter, Issue 12

Introduction Welcome to a new issue of the High-Performance Java Persistence Newsletter in which we share articles, videos, workshops, and StackOverflow answers that are very relevant to any developer who interacts with a database system using Java.

Read-write and read-only transaction routing with Spring

Introduction In this article, I’m going to explain how you can implement a read-write and read-only transaction routing mechanism using the Spring framework. This requirement is very useful since the Single-Primary Database Replication architecture not only provides fault-tolerance and better availability, but it allows us to scale read operations by adding more replica nodes.

High-Performance Java Persistence Newsletter, Issue 9

Introduction Welcome to a new issue of the High-Performance Java Persistence Newsletter in which we share articles, videos, workshops, and StackOverflow answers that are very relevant to any developer who interacts with a database system using Java.

High-Performance Java Persistence Newsletter, Issue 8

Introduction Welcome to a new issue of the High-Performance Java Persistence Newsletter in which we share articles, videos, workshops, and StackOverflow answers that are very relevant to any developer who interacts with a database system using Java.