What do you mean by the Rendezvous point?
Spike testing is a very common approach in Jmeter. Actually, there are certain tasks that are associated with it. The prime task of the rendezvous point is to managing spike testing without creating any issue. Actually, the synchronizing timer is considered along with it to perform this task. You need to wait for the time till all the active users reach a value that is assigned during the load test.
