9 High-Performance Tips when using MySQL with JPA and Hibernate

Introduction

Although there is an SQL Standard, every relational database is ultimately unique, and you need to adjust your data access layer so that you get the most out of the relational database in use.

In this article, we are going to see what you can do to boost up performance when using MySQL with JPA and Hibernate.

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How to optimize the merge operation using update while batching with JPA and Hibernate

Introduction

One of my readers has recently asked me about optimizing the merge entity state transition, and, because this is a great question, I decided to turn it into a blog post.

In this article, you are going to see a shortcoming of the merge entity state transition and how you can deal with it using Hibernate.

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The best way to detect database connection leaks

Introduction

Database connections are not free, and that’s the reason for using a connection pooling solution in the first place. However, the connection pool alone does not solve every issue associated to managing database connections. The application developer must make sure that every Connection is closed when no longer needed. Behind the scenes, the connection pool gives a logical transaction which, when being closed, it returns back to the pool so that it can be further reused by other concurrent transactions.

A connection leak happens when a connection is acquired without ever being closed.

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