A timer scope
1. The timer is performed before each sampler (sampler), rather than after (a position before the timer whether or sampler below);
2. Before performing a sampler, all current timer scope will be executed;
3. If desired only one of the timer is applied to sampler, put timer added as child nodes;
Second, the role of the timer
for setting a waiting time between operations, the waiting time is commonly used in the performance test means the control of the client QPS
Third, the common timer
1. Fixed timer constant timer
allows each thread standstill in the same specified period of time prior to the request. Not fixed timer delay into the response time of a single sampler, but the time into the accounting transaction controller
for a single request, the time interval between two iterations
for the transaction controller, the simulation of real user latency during operation
2. Fixed throughput timer constant throughput timer
allows jemeter to specify the execution throughput
computing throughput range may be the current thread, the current thread group, all thread groups, etc.
3. Synchronize timer synchronizing timer
assembly point, is to block the thread, the thread until the specified number is reached, released together, you can instantly generate a lot of pressure
