What is the highest number of threads that is reasonable to simultaneously run in Jmeter?

JMeter can simulate a very High Load provided you use it right. Don’t listen to Urban Legends that say JMeter cannot handle high load. Now as for answer, it depends on: your machine power your jvm 32 bits or 64 bits your jvm allocated memory -Xmx your test plan ( lot of beanshell, post processor, … Read more

Jmeter – Run .jmx file through command line and get the summary report in a excel

JMeter can be launched in non-GUI mode as follows: jmeter -n -t /path/to/your/test.jmx -l /path/to/results/file.jtl You can set what would you like to see in result jtl file via playing with JMeter Properties. See jmeter.properties file under /bin folder of your JMeter installation and look for those starting with jmeter.save.saveservice. Defaults are listed below: #jmeter.save.saveservice.output_format=csv … Read more

JMeter Alter HTTP Headers During Test

You can dynamically construct your authorization header using Beanshell PreProcessor as follows: Add empty HTTP Header Manager as a child of your request which requires authorization Add Beanshell PreProcessor as a child of the same request with the following code: import org.apache.jmeter.protocol.http.control.Header; sampler.getHeaderManager().add(new Header(“Authorization”,”Bearer ” + vars.get(“BEARER”))); This will construct fully dynamic header using BEARER … Read more

How to clear the results in Aggregate Report’s table in JMeter automatically when executing the same test plan again?

Jmeter does not have a flag to do this automatically. Generally, you have to clear the results with CTRL+E (in windows) or from the file menu, under RUN > CLEAR or RUN > CLEAR ALL You might be able to write a beanshell script to clear the results everytime you execute the script. http://www.javadocexamples.com/java_examples/org/apache/jmeter/samplers/SampleListener/