What Is Load Testing
What is load testing?
Load testing, also called stress testing or performance testing, is to measure response time of a system under certain usage load.
There are several key considerations on performing load testing:
Size of the Load - This is to consider the number of users who are using the system at the given time.
In JMeter, the size of load is controlled by the "Number of threads (users)" property in "Thread Group".
Duration of the load - This is to consider the duration of the time during which the system is under the size of the load.
In JMeter, the duration of load is controlled in one of two ways: the "Loop count" and "Start time/End time" properties "Thread Group".
Pattern of the load - This is consider what each user is doing on the system during the duration of the load.
To simulate the real-world scenario, a load test should have the following controls:
Unfortunately in JMeter, all users are defined to perform the same set of tasks repeatedly. And the ramp-up period is controlled by "Ramp-up period" property in "Thread Group".
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