TesCom Highlights Lack of Planning in
IT Development – ‘Lessons Aren’t Being Learnt’
Testing specialist, TesCom has today highlighted the failure of companies to design systems to meet high performance demands, such as those required by websites. TesCom, which offers a wide range of load and performance testing services to customers throughout the world, has found that the systems it tests to meet high load requirements inevitably fail to deliver.
Systems typically submitted for load or performance tests include mainframe, web-facing and/or client/server applications. Incredibly, TesCom has found that it rarely conducts a load or performance test where the system does not fail to meet the design requirements. According to TesCom, the reasons for failure normally fit into one of four categories:
1. Technical or architecture issues – the system has not been designed correctly or there simply is not enough hardware to meet anticipated demands.
2. Software scalability – the software used is not designed to scale to the anticipated number of users and so will not work.
3. Human or configuration errors – the system has not been set up correctly, for example the database connections may be wrong, or the default settings have not been changed, meaning you may have an anticipated 2,000 users, but the system will only let 20 users access the database at one time.
4. Bad planning and market research – the designers have not completed thorough research into either the hardware they are using to ensure it will meet demands, or the number of expected users.
“We still find it amazing the number of companies that overlook design faults in their systems and are therefore unable to meet levels of demand once the system goes live,” said Rob Taylor, head of performance and automation team at TesCom. “It is a known fact that a potential customer will stay on your web site for less than ten seconds waiting for it to load before they visit one of your competitors, so it’s essential that the response time is as good as it can possibly be. High profile events such as the failure of the 1901 census website should make companies aware of the need for thorough planning, but the lessons just aren’t being learnt.”
“Traditionally the response to the above performance problems is ‘Let’s throw more hardware at the system’. This is often the most expensive and least productive method to resolve the issue,” continued Taylor. “Rather than purchase more hardware, time and resources would be better spent focusing on tuning the four main areas of the infrastructure: hardware, application, database and networks, to identify the optimum performance configuration. The traditional philosophy may be to double the hardware today, but if the demands on the system increase ten-fold over the next few years, the hardware required to support this will soon increase exponentially.”
TesCom’s load and performance division offers a range of services to customers wishing to ensure the quality of service they can offer their customers through high levels of performance, including; consultancy and testing throughout the design and development process; local or remote testing of web-based services; static tests at any time during development; full load and performance tests before the system goes live; and a measure of future expectations to identify how long systems will continue to meet growing demand.
020 7022 6700
Catherine Eyres/Nicola Atkins
About TesCom Ltd
TesCom mitigates business risk and reduces time to market by delivering independent, tailored software testing and quality improvement services. TesCom is the largest specialist global provider of testing services with a flexible service offering, based on best practice techniques and an in-depth market understanding of its clients’ business sectors. TesCom’s goal is to promote and deliver effective testing to make IT-based business services and applications more user-focused, responsive and robust to meet ever-increasing performance demands. To find out more about TesCom, visit
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