Wednesday Nov 21, 2012

Parleys Testimonial at GlassFish Community Event, JavaOne 2012


Parleys.com is an e-learning platform that provide a unique experience of online and offline viewing presentations, with integrated movies and chaptering, from the top notch developer conferences and about 40 JUGs all around the world.

Stephan Janssen (the Devoxx man and Parleys webmaster) presented at the GlassFish Community Event at JavaOne 2012 and shared why they moved from Tomcat to GlassFish. The move paid off as GlassFish was able to handle 2000 concurrent users very easily. Now they are also running Devoxx CFP and registration on this updated infrastructure. The GlassFish clustering, the asadmin CLI, application versioning, and JMS implementation are some of the features that made them a happy user.

Recently they migrated their application from Spring to Java EE 6. This allows them to stay away from getting locked into a proprietary framework and also avoid 40MB WAR file deployments. Stateless application, JAX-RS, MongoDB, and Elastic Search is their magical forumla for success there.

Watch the video below showing him in full action:

More details about their infrastructure is available here.

Tuesday Mar 06, 2007

Harvard Builds its Dataverse Network on GlassFish

Harvard University Logo Researchers at Harvard University are on a mission to change the way that academics store and share data. As the project's software development manager, Merce Crosas, describes:

Our project, the Dataverse Network, is an on-line archive for sharing data within and across universities and other institutions conducting research. Stability and scalability have been a concern in developing this software from the beginning. The application serves not only as an online archive for storing research data, but also provides social science researchers with the means to cite their own data and allow others to replicate the results through an extensive on-line analysis tool...

What application server did they choose to power the Dataverse Network? GlassFish, of course. Early in 2006, the team decided upon using Java EE 5 and "inquiries at the JavaOne 2006 conference made it clear that GlassFish would be the only fully compliant Java EE 5 implementation in our initial development timeframe."

The benefits of using GlassFish didn't end with its first-to-market Java EE 5 support, though. Remember their stringent stability and scalability needs? Not a problem. As Merce notes, "GlassFish's stability enabled us to concentrate on the code and not worry about the server environment."

Integrating other technologies with GlassFish also went well. The team uses NetBeans, Java Studio Creator, the Lucene search engine, PostgreSQL database, Shale standalone tiles, and AWStats web analytics tools. Integrating and using so much new technology required that the team "forge new ground" in a few cases, but overall they found the GlassFish server environment to be "very configurable and easy to use." For example, integrating the Awstats web analytics tool "was as simple as locating the HttpServices window and modifying the access log format all in an easy-to-use, uncomplicated interface."

The Dataverse Network will be live in the next few weeks, "serving all social science data to all Harvard and MIT faculty, students and staff." Want more info in the meantime? Here are some additional resources:

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