System News for Sun Users - The Blog

Single JVM Based on Both Expected Within Two Years

Although in the short term, development will continue in parallel on both the Sun HotSpot Java Virtual Machine (JVM) and the JRockit JVM that Oracle acquired from BEA Systems, the most informed speculation is that, eventually, a single JVM based on both technologies is expected within the coming 18 months to two years, or so writes Paul Krill in InfoWorld.

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Deep Dive Video Presentation

Sun Chief Architect for Client Software Danny Coward highlights some of the significant new features in the upcoming JDK 7 in a deep dive presentation taped in July. The nearly 25-minute video replay covers modularizing the JDK, supporting non-Java languages at the VM level, and making developers more productive through various small changes to the Java languages. Code examples and demonstrations are provided.

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Using the Open Source Software on Sun’s CMT and x64 Solaris Servers

Sun engineers have been working with the open source software Terracotta to optimize its technology on Sun solutions. Terracotta is an open-source product, entirely written in Java code, that simplifies scalability for Java applications by synchronizing user defined subsets of Java heap across multiple Virtual Machines for the Java platform (Java Virtual Machine or JVM) on different physical machines. A four-page PDF offers an overview of the business benefits of Terracotta for Java developers, plus some results of testing the team did with Terracotta on both x64 and CMT servers, reports George Drapeau.

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