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Java

57 posts filed under Java.Browse all topics.

Performance Tuning Methodology

I’m taking a brief excursion from my usual identity and API-centric posts to answer a question about performance tuning that someone asked me earlier this year. In a previous incarnation of my career, I was focused on performance tuning and diagnostics — particularly involving Java systems.…

Performance TuningTroubleshootingJava

JBoss and LTPAv2 support

I’ve been at a couple of different client sites where there was a heavy IBM product presence, the use of IBM’s proprietary token format-LTPA2, and the need for a non-IBM technology such as JBoss EAP. Given the nature of the LTPA2 technology (IBM proprietary protocol), there isn’t any direct support…

JBossSpeakingIntegration

JBoss World 2012 Session…

I will be presenting at JBoss World 2012 in Boston the last week of June. I’ll be presenting with Anil Saldana on JBoss Security, PicketLink, and Identity Management, JBoss Security Architect. A link to the description can be found here. The original abstract:

JBossSpeakingJava

WebSphere DataPower Roles and Responsibilities…

DataPower is a weird (but, wonderful) beast. It has a tendency to break some of the traditional IT silos that develop within infrastructure groups. That can lead to a lot of friction and amusing arguments in which everyone is simply talking past one another. In this post, I want to describe the…

DataPowerWebSphereCareer

OSI 7-Layer Network Model

I’ve been playing with Cisco switches and routers recently at home to get a handle on VLANs-more about VLANs later. Some people I know who have gotten involved in DataPower started out in system administration or networking and worked their way up the technology stack to SOA Appliances (WebSphere…

DataPowerProtocolsSOA

SSL Handshake—The Visual

This is an old picture that I made for a 2010 JBoss World security presentation. It came in handy not so long ago when I was explaining the SSL Handshake to someone.

JBossPKITLS / SSL

XSLT & XPath

XSLT is the only scripting language supported by WebSphere DataPower appliances. It is the only way to customize DataPower functionality and behavior. So, anyone that works with DataPower for a while will sooner be writing XSLT stylesheets.

DataPowerQuantum ComputingWebSphere

JVM Heap & GC Tuning…

So, obviously, I haven’t posted anything here in a while🙂. Life has been busy. Starting several months ago, I left my job of four years and began independent consulting. Among other things, this means that the variety of topics discussed on thinkmiddleware.com should be more varied. I’m also going…

Garbage CollectionJVM InternalsMemory Management