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  • URL - Context.PROVIDER_URL
  • Initial context - Context.INITIAL_CONTEXT_FACTORY
  • ConnectionFactory - server specific setting
  • Topic - the specific topic for the test
  • Iterations - number of iterations to aggregate
  • use 1 connection for N producers/consumers (suggested by james)
  • use N/2 connections for N producers/consumers (suggested by james)
  • use N connections for N producers/consumers (suggested by james)
  • Message type - TextMessage, ObjectMessage
  • random message - similar to how webservice sampler can randomly select a message
  • Text area - for message
  • Use as monitor - this is similar to HTTPSampler for Tomcat5. when it is checked, the sample is set as monitor result, which is then used by the monitor to display the health and performance

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By having a publish and subscribe sampler, it means a single test plan can have two thread groups running concurrently. One thread group can have X threads publishing, while the thread group for the subscribers can have a different number of threads. this should allow for a wide variety of test scenarios. Using the same connection for N producers/consumers will measure the effect of connection on performance.