There is some overlap -- but they're fundamentally different. Java instrumentation will track each and every instance of a given metric. This can create performance issues. Java sampling involves ...

The Java Virtual Machine (JVM) is a vital part of modern distributed computing. It is the platform of big data applications like Spark, HDFS, Cassandra,and Hive. While the JVM provides “write once, ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

Software from Oracle that converts a program in Java bytecode (intermediate language) into machine language and executes it. The Java Virtual Machine (JVM) is the runtime engine of the Java Platform, ...

The terms JVM tuning and Java optimization are often used interchangeably, but there is an important difference between the two practices. In short, JVM tuning requires some tradeoff between metrics ...

Learn how to optimize JVM and JIT compiler performance for better execution speed, memory usage, and resource utilization in your Java applications—and how to check your results. JVM optimization ...

May 23 marks 20 years since the first version of Java was released for public use. The timing of its arrival coincided with the advent of the web and the new role technology took in improving business ...

Today, my ZDNet colleague Ed Bott published a scathing investigative report of how Oracle partners with shovelware companies in order to monetize the distribution of the Java JRE. Given that I work ...

Java was created over 25 years ago, and it is still one of the most popular programming languages. In this article, I will present an overview of how Java has grown to today's complex system and why ...

Released in 1995, the philosophy behind Java is "write once, run anywhere." In other words, a program written in Java can theoretically run on any machine that supports it. While the implementation ...