eValid -- Automated Web Quality Solution
Browser-Based, Client-Side, Functional Testing & Validation,
Load & Performance Tuning, Page Timing, Website Analysis,
and Rich Internet Application Monitoring.
eValid -- Illustration of Step Function in Server Loading
This page shows a sequence of steps that illustrate how to achieve a step function
in applied load.
- Sample Script
The script shows the use of the SyncOnText to the STOP/GO escapement.
This script is used in a LoadTest scenario that launches a large number of
- Control Page Showing STOPPED State
Here is the page at which eValid instances will arrive and await synchronization.
- LoadTest Scenario Launched
Here is how the screen appears after the eValid LoadTest scenario is launched and a large number
of eValid copies are all running, waiting for the "GO" signal.
- Control Page Showing RUNNING State
After the user gives the GO signal the STOPPED page turns to RUNNING, as shown here.
After that switch occurs all of the eValid will start running.
- Performance Chart Showing Stepped Increase in Load
The picture below shows the performance of the server CPU before and immediately
after the user has said GO.
The effect of imposition of a large amount of download activity is clear from the chart.