Druid is a high-performance, column-oriented, distributed data store. Learn how it's great for low-latency analytics and why you should integrate it with Apache Hive.
Some Java performance optimization tricks include starting with minimum heap allocation, using a StringBuilder instead of the + operator, and avoiding Iterator.
In Part 1 in this comprehensive series on parsers (with a focus on Java), we examine how parsers work, the difference between Parse Trees and ASTs, and more.
Learn how the Groovy component is used in Mule flows to integrate custom scripts. This tutorial shows you how to configure and utilize the Groovy component.
VisualVM is one of those indispensable tools for Java (and JVM-based) developers. An oft-unsung hero, this post tells you what it is, how to set it up, and its benefits.
In Part 4 of this Java 9 series, we see that try-with-resources has been enhanced. Let's compare how Try With Resources worked back in Java 7 versus today.
No longer do you have to manage multiple Dockerfiles and use the Builder Pattern. Now, you can save time by creating a multi-stage build process for your Java apps.
Should you use standard profilers, lightweight options, or APM tools? The answer is all three. Each one has its strengths and weaknesses, detailed here.
Replicating your data has obvious benefits, but can be a bit tedious to setup. Take a look at how to easily set it up using PostgreSQL and Jelastic's cloud.
Groovy DSLs are easy to make, and in this example, we'll create one for the Structurizr documentation generator, showing off Groovy's Closure class along the way.
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