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Jim Liddle

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Top Stories by Jim Liddle

When deploying on EC2 even though Amazon provides the hardware infrastructure, you still need to tune your instances operating system and monitor your application. You should review your hardware/software requirements and review your application design and deployment strategy The Operating System Change ulimit ‘ulimit’ Specifies the number of open files that are supported. If the value set for this parameter is too low, a file open error, memory allocation failure, or connection establishment error might be displayed. By default this is set to 1024 , normally you should increase this to at least 8096. Issue the following command to set the value. ulimit -n 8096 Use the ulimit -a command to display the current values for all limitations on system resources Tune the Network A good in detail reference for Linux IP tuning is here.  Some of the  important parameters to c... (more)

Process-Driven Architectures for WebSphere Application Server

As the industry moves toward a new, process-based application model, it is important to understand the terms and standards involved. There have been many definitions of business process management (BPM) bandied about, but the one that is the easiest to understand and that most accurately reflects BPM is the following: Business Process Management is the representation and enactment of business interactions that involve multiple steps, possibly over time, that can occur in parallel across multiple systems or people. Within the BPM market itself there are different terms that tend to... (more)

Understanding Straight-Through Processing - A technical overview

Straight-Through Processing (STP) is a term associated with workflow and business process management technologies. STP is the automation of a process flow, from invocation to execution. STP allows the seamless and accurate transactional exchange of information electronically. It can involve many different information stores and parties within the process flow, and it reduces the need for human intervention. STP is often associated with the financial services and securities industry, as this is where its use has been prevalent, due to a change in legislation (Rule 15c6-1) by the ... (more)

Personal Java Development with WebSphere Studio Application Developer

This article is intended to help you understand what support the Sony-Ericsson P800/P900 has for Java and to show you how to install the necessary Symbian software required for developing Java solutions for these platforms. It will discuss how WebSphere Studio Application Developer can be used to develop the Java code, how this code can then be packaged using the Symbian development kit utilities, and how to deploy it to the Symbian P800/P900 emulator. The Sony-Ericsson Px range is one of the new breeds of smartphones that combines phone functionality with that of a PDA. The Px ... (more)

Yet Another Java/J2ME Google Maps Midlet!

Jim Liddle's Symbian Blog: Yet Another Java/J2ME Google Maps Midlet! These seem to be coming out quicker that I can blog them !  This one is called J2MEMap and you can get the JAR from here, and the jar from here ... (more)