For many of us Twitter has become an essential communications utility. Since experiencing scalability problems in 2010, Twitter has moved to a loosely coupled service oriented architecture based on the JVM, allowing it new levels of scalability and feature agility. Twitter engineering recently reported a new record throughput and took time out to describe their new architecture.
Azul Systems, Inc. announced the launch of Zing Platform Edition with WebSphere. Zing PE integrates IBM WebSphere Applications Server (WAS) with an enhanced version of its Zing Java Virtual Machine.
Developers at the LMAX Exchange, an execution venue for trading FX established in the City of London in October 2010, have begun testing Azul's Zing JVM as a way of improving their already impressive response times and throughput rates.
As part of Oracle's ongoing project to merge the HotSpot and JRockit codebases, Oracle has announced that they will remove PermGen from the Java 8 version of the HotSpot JVM. The effects of the removal of PermGen can now be checked with Java 8 Early Access builds, it is time to find out if all PermGen problems have been resolved.
InfoQ's research initiative continues with an 12th question: "What's Your Next JVM Language?". This is a new service we hope will provide you with up-to-date & bias-free community-based insight into trends & behaviors that affect enterprise software development. Unlike traditional vendor/analyst-based research, our research is based on answers provided by YOU.
InfoQ's research initiative continues with a second question about "What Are Your Priorities for Java and the JVM?". This is part of our new service that we hope will provide you with up-to-date & bias-free community-based insight into trends & behaviors that affect enterprise software development. Unlike traditional vendor/analyst-based research, our research is based on answers provided by YOU.
Azul Systems have announced that they are making their pauseless Zing JVM freely available to Open Source developers and projects for use in development and testing.
The Common ReusAble SHell (CRaSH) is an interactive shell (with history support and autocompletion) that attaches to a running JVM and can execute several commands for retrieving JVM statistics or changing JVM internals on the fly. It can be used for remote monitoring and administration of existing Java applications and it is fully extensible via custom Groovy scripts.
With the release of Java 7u4, Oracle has finally provided an OSX install of the JDK and JavaFX SDK. The update also brings new features, such as the G1 garbage collector and the JCMD diagnostic framework. Read on to find out more.
Rich Hickey spoke at the Clojure/West conference last weekend about his newest venture, Datomic, which he describes as “a distributed database designed to enable scalable, flexible and intelligent applications, running on cloud architectures.” Datomic sits on Amazon’s DynamoDB, and embeds Datalog, a subset of Prolog, to move queries into the application.
Earlier this week, the first milestone of Ceylon IDE was released, bringing an IDE to the Ceylon language, which saw its first milestone at the end of December. Read on to find out more.
Azul Systems have today announced the release of jHiccup, an open source tool designed to measure the pauses and stalls (or "hiccups") associated with an application's underlying Java runtime platform.
With Scala 2.10 on the horizon, and recent controversial opinions, what really is the story with Scala's backward compatibility, and how will it affect popular Scala libraries? If Josh Suereth is right, a reboot of the Scala Fresh project proposed by David Pollak last year.
Azul Systems have today announced Zing 5.0, eliminating their previous requirement for a hypervisor, and therefore bringing their pauseless JVM to unmodified 64-bit Linux for the first time.