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  • Where Has the Java PermGen Gone?

    by Monica Beckwith on  Jul 07, 2014 1

    Prior to JDK8 class metadata and constants would live in an area called the “permanent generation”, contiguous with the Java heap. One problem was that If the class metadata size is beyond the allocated bounds your app would run out of memory. With the advent of JDK8 we no longer have PermGen. The space where it was held has now moved to native memory to an area known as the “Metaspace”.

  • Book Review: Vagrant up and running

    by Matthias Marschall on  Sep 06, 2013

    Mitchell Hashimoto released his book "Vagrant up and running" which covers everything from basic Vagrant usage to extending its functionality. In seven chapters he explains every aspect of Vagrant - from staring a default VM to extending it via plug-ins.

  • Getting Started with HotSpot and OpenJDK

    by Ben Evans on  Aug 27, 2013 1

    In this article, we look at the HotSpot Java Virtual Machine, and its implementation in the OpenJDK, both from a VM perspective and also in terms of its interaction with the Java class libraries.

Virtual Panel: Using Java in Low Latency Environments

Posted by Charles Humble on  Aug 01, 2013

InfoQ brings together four experts in low latency Java to discuss some of the best practices when using Java in these situations.

Virtual Panel: Performance Tuning Face-Off

Posted by Victor Grazi on  Jun 25, 2013

In the world of application delivery, performance tuning still eludes the mainstream. InfoQ spoke to 5 luminaries of the performance monitoring space about it. The result was quite an active debate.

A Technical Overview of Moscrif – MObile SCRipting Framework

Posted by Jozef Pridavok on  Dec 10, 2012

Moscrif is a cross-platform solution for mobile application development enabling developers to create native applications and games for smartphones, tablets and desktops.

Benchmarking JVM Concurrency Options for Java, Scala and Akka

Posted by Michael Slinn on  Apr 26, 2012

Michael Slinn examines how to benchmark JVM concurrency options for JVM-based langauges including Java and Scala. 2

Martin Odersky on Typesafe Stack and the Future of Scala

Posted by Michael Floyd on  Mar 12, 2012

In this Q&A Martin Odersky draws the comparisons between F# and Scala, discusses the future of Scala, and addresses once and for all the question of breaking binary compatibility. 2

Book Review and Interview: Java Performance, by Charlie Hunt and Binu John

Posted by Charles Humble on  Feb 01, 2012

Java Performance, by Charlie Hunt and Binu John, provides performance tuning advice for both Java SE and EE applications. InfoQ reviews the book, and talks to the authors about their approach.

The Essence of Google Dart: Building Applications, Snapshots, Isolates

Posted by Werner Schuster on  Oct 24, 2011

Google has previewed Dart, a new language with a VM but also a JS compiler. InfoQ looks beyond the grammar at Dart's contributions for building apps: Snapshots, Isolates, Modularity. 2

Scala.Net and Scala with Martin Odersky

Posted by Michael Stal on  Aug 17, 2011

We talked with Martin Odersky, Chairman, Chief Architect and co-founder of Typesafe, about Scala.Net, the version of Scala that support .Net as well as about Scala in general.

QoS for Applications: A Resource Management Framework for Runtimes

Posted by William Louth on  Jul 26, 2011

This article draws an analogy between QoS for networks and for applications, resulting in a mapping guide between the two and introducing a production solution for Java, (J)Ruby, and (J)Python apps.

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