Brief Introduction To JMeter

JMeter as a ToolJAVA based toolCan be used for performance,

load, stress and functional testing as well

Request-Response methodologyNo intensive scriptingOpen Source toolNo Auto-CorrelationEasy to setup

JMeter Components Test Plan > Test Suite containing

multiple test scenariosThread Group > Virtual UsersSamplers > Request Elements (HTTP,

JMS, Web Services etc.)Controllers > Logic Controllers (like

of, while, for etc.)Listeners > Reporting ElementsConfig ElementsPre & Post ProcessorsProxy Server > For Recording

JMeter Plug-insAdd-ons developed by the

communityProvides support for additional

protocols, listeners(graphs), thread groups

Has dependency with JMeter version

Useful for extracting better results than default JMeter

Imp Configuration Files for JMeterJmeter.properties• Distributed test configuration• Listener save properties• Proxy server configuration• RMI Port settings• Exclude patterns while recording

• Jmeter.bat• JAVA option settings like HEAP

memory which limits/controls max VU

Pitfalls while using JMeterSelection of listenersHEAP Memory sizingNo of VUs configured per load

generator

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