automated load testing is used to obtain answers to many types of questions in various stages of development and deployment of an application. Before a first deployment to production, these questions might be:
“What load my application for a given level of performance support”
“How is my application due time under the weight
” How is my application to react to peak load levels? “
” What changes do I reach a certain level of performance at higher load levels? “
” What should I do to improve the performance of my application increase “
” How can the new version compared to the last “” How does the application to react to the loss of IT resources? “â |????
Once the application in production , the questions are more urgent and more time to resolve performance issues is critical. The most important questions at this stage are
“Why is software that is not expected to be the performance?”
“What needs to be done to remedy its performance problems in production soon? “
Both questions are of course closely linked. However, application performance management tools currently on the market do not use easily a series of tests before production and load leads to the production of data or production data for better performance testing shorter design. A first level of the answer to this question can be offered using the tool tracking performance even to quickly identify both before and after deployment and to solve its performance problems. A more comprehensive way, this problem can be solved is to use integrated products to be implemented through out the load tests pre-production with performance monitoring applications in production link. Only a few companies of its kind to offer integrated solution. Regardless of the load test tools and performance monitoring, an essential element to take advantage of a test to take charge of production, the simulation loads of real life, following the successful model script.
All load testing tools more or less elaborate script recording feature offer. scripts, however, is that the registration of the starting point. To simulate real life payloads, has modeled each script to profile for the user, variables and actions to be expanded. As modeling is supported by the script editor, in a load test tool is a key factor in productivity and the total value of the test will work.
modeling includes all changes and adjustments script that allows the behavior of different users on the basis of virtual user executes this script. It makes it also possible for a virtual user to respond appropriately to dynamic application responses. modeling techniques could be developed algorithms to the statistical behavior reflect observed include in production, introduced variables for the user actions on the responses make for dynamic applications, or other techniques to load. But for the most complete Web applications that model the deed for the script to more work is needed. One of the most difficult activities and more time modeling consumption set scripts in contact with session IDs.
session IDs are used by the application to identify a client browser, while background (server-side) processes are to associate the session ID to an access level. when a client successfully authenticated to the Web application, ID of the session can be a good authentication can allow the client have not entered their login data is entered again for each application page. Manually dealing with session IDs, a tedious task script editing (even with the power of analysis and processing functions), and is prone to error
models. to support high-end tools for the analysis supports the idea of the model in your script editor. The models are rules script editing rules that can be created and the user re-used at any time, to automatically configure all scripts with one click. For meeting the requirements of the most common model ID should come loaded with the publisher preconfigured, ready to use templates These measures should include support for the modeling of automated click for applications such as:..
NET applications (__VIEWSTATE, __EVENTARGUMENT, a |? variables), J2EE (DB) for SAP Applications (SAP-wd-cltwndid, SAP-wd-variable appwndid) Siebel (SWEC, _sn Swets, â |? variables) applications Epiphany (SGloginRequest, a |? variables)
ACCS |.
These models help accelerate the modeling script that reduces the number of installation errors or omissions, and valuable time on the modeling of specific applications focus so that the simulated load reflects the actual usage of the application .


Load Test