Yagiz Erkan

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JavaOne 2008: A Day One Report From the Sessions

DeCare Systems Ireland Blog Java SE 6 and Java SE 7 My first technical session was about Java SE presented by Danny Coward from Sun. It was about the current situation of Java SE 6 and the roadmap to Java SE 7. The talk started with a few encouraging stats. For example, Java’s performance increased 220% between Java SE 5.0_04 and Java SE 6.0_05P. It’s always nice to hear this kind of good news. One of the great news about Java is that it has a full open-source JDK now. Some parts of the JDK couldn’t be open-sourced due to licensing restrictions. And this situation prevented Java being distributed with Linux. But it seems like Sun finally found a solution (by shipping them in binary form I think). OpenJDK is now bundled with Ubuntu 8.04 (Hardy Heron). And apparently more to follow with RedHat and Fedora. Another interesting point about the OpenJDK ... (more)

JavaOne 2008: SOA, SCA, REST and Comet Discussed

DeCare Systems Ireland Blog Even though 'Service' comes first in SCA (Service Component Architecture), SCA is a distributed component model. It's about designing components (and composites) rather than designing services. It doesn't feel like it was designed to build a SOA. It feels like its main goal was to define a distributed component model. And as we all know, the distributed component models failed in the past. I think SCA will too. For the second day of JavaOne my schedule contained technical sessions and BoFs about mostly SOA, SCA, REST and Comet. SCA I attended two more s... (more)

JavaOne 2008: SOA and Performance

DeCare Systems Ireland Blog As Service-Oriented Architectures gain ground, it becomes obvious that their performance is the key to their success. I'm going to briefly write about two sessions that I attended in JavaOne 2008. They outline two totally different approaches from two very different companies. You're going to see that a well performing SOA implementation requires considerable work and performance tuning expertise. 35 Million Transactions Per Day In the session entitled “SOA and 35 Million Transactions per Day: Mission Impossible?“, Matthias Schorer from Fidu... (more)