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
‘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)
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)
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)
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
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)
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