Let's look at the best tools for load testing. Apache JMeter. Apache JMeter has been around for over 20 years. The system is very popular among users, some testing platforms use Apache as an engine.

BlazeMeter--based on the Apache JMeter open-source project is a load-testing application designed to measure the response of putting demand on a system or device.

I am wondering what people use to test their apache servers to see what kind of a load they can take. I am interested to see things like hits/sec and such.

Microsoft defines a test engine as "computing infrastructure, managed by Microsoft that runs the Apache JMeter test script" per this "Key Concepts" document. The pricing for Azure Load Testing is ...