London software testing news UK


Oracle and Application Performance Testing

Posted in Acceptance testing by testing in London on October 20, 2007

From Inquirer 

To understand the impact of Application Performance Testing to businesses, let us take a closer look at a key IT issue for organizations in relation to managing change. During the lifespan of any application system, changes are a fact of life but the complete impact of these changes has to be known before the application goes into production. Common system changes are:

1) Updates to an application requiring it to be moved from a testing to a production environment
2) Upgrading or patching the database or operating system
3) Changes to the database schema
4) Changes to storage or network
5) Testing a potential new hardware platform (e.g. comparing UNIX platforms)
6) Testing a potential new operating system (e.g. migrating from Windows to Linux)

In order to provide some structure to this process, a range of tools has been released to help customers better manage this process and provide some capability for customers to test application performance. Despite helping to make the testing process easier, it requires significant investments of time and effort to gain a functional understanding of the underlying application of many of such tools before the testing workloads can be generated. In a vast majority of cases, the bigger issue is that the resulting workloads are to a large degree, artificial.

Despite extensive testing and validation — both time consuming and expensive — the success rate has traditionally been low as many issues still go undetected and application performance can be affected, leading to potentially disastrous outcomes.

In order to help customers deal with application performance testing, the latest release of the industry’s leading database incorporates new features that allow customers to capture a production workload which can then be “replayed” on a test system to show how the application functions in a new environment.

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