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Deployment

By now, you are hopefully well aware that Glassfish 3.1 has been released.  Because the performance group has been a little quiet lately, maybe you're thinking there aren't a lot of interesting performance features in this release. In fact, there are two key performance benefits: one which benefits developers, and one which is important for anyone using Glassfish's new clustering and high-...
on Mar 1, 2011

J2EE

For most of the year, I've been working on session replication code for Sailfin. When I came back to work with the Glassfish performance team, I found that we had some pretty aggressive goals around performance, particularly considering that Glassfish V3 had a completely new architecture, was a major rewrite of major sections of code, and implements the new Java EE 6 specification. Glassfish V3...
on Mar 24, 2010

Testing

Avid readers of the glassfish aliases know that we are frequently asked questions about why their server isn't responding, or why it is slow, or how many requests are being worked on. And the first thing we always say is to look at the jstack output. So you're running on a Sun 5120 with 128 hardware threads and so you have 368 request processing threads and the jstack output is 10K lines. Now...
on Oct 16, 2009