The Java Persistence API (JPA) is used in most Java applications to interact with a relational database. One of its most popular implementations is the Hibernate ORM, because it uses object-relational mapping to abstract database interactions and makes implementing simple CRUD operations very simple. But this abstraction also has its downsides. Hibernate uses a lot of internal optimizations and hides …
Have you heard the saying “you can’t manage what you can’t measure?” The phrase is often attributed to management thinker Peter Drucker, and less often to other authors as well. It can also slightly vary in its wording, depending on the source. At the end of the day, the exact wording of the sayer and who said it first doesn’t …
Performance tuning MySQL depends on a number of factors. For one thing, MySQL runs on various operating systems. For another, there are a variety of storage engines and file formats—each with their own nuances. In this tutorial, you’ll learn how to improve MYSQL performance. But first, you need to narrow the problem down to MySQL. Let’s say Retrace is reporting …
Handling errors properly have always been an important and delicate task when it comes to making our applications more reliable. It is true that we can’t know when an exception will happen, but it is true that we can control how our applications should behave under an undesirable state, such as a handled or unhandled exception scenario. When I say …
