![]() Every listener in JMeter provides a field to indicate the file to store data to. Other listeners provide summary or aggregation information.Additionally, listeners can direct the data to a file for later use. The "View Results Tree" Listener shows details of sampler requests and responses, and can display basic HTML and XML representations of the response. The Graph Results listener plots the response times on a graph. Listeners Listeners provide access to the information JMeter gathers about the test cases while JMeter runs. They can modify the requests themselves, cause JMeter to repeat requests, etc. Logic Controllers can change the order of requests coming from their child elements. Logical controllersLogic Controllers let you customize the logic that JMeter uses to decide when to send requests. ![]() You can further customize a sampler by adding one or more Configuration Elements to the Test Plan. Each sampler has several properties you can set. Controllers can be used to modify the number of repetitions of a sampler, JMeter samplers include: * FTP Request. They are processed in the order they appear in the tree. Samplers Samplers tell JMeter to send requests to a server and wait for a response. For more information, see Logical Controllers. For example, you can add an Interleave Logic Controller to alternate between two HTTP Request Samplers. Logical Controllers let you customize the logic that JMeter uses to decide when to send requests. You can also customize a request by adding one or more Configuration Elements to a Sampler. For example, add an HTTP Request Sampler if you want JMeter to send an HTTP request. Samplers tell JMeter to send requests to a server. Controllers JMeter has two types of Controllers Samplers and Logical Controllers. ![]() Set the number of times to execute the test. The controls for a thread group allow you to: Set the number of threads. As the name implies, the thread group element controls the number of threads JMeter will use to execute your test. Listeners, may be placed directly under the test plan, in which case they will apply to all the thread groups. All controllers and samplers must be under a thread group. Thread group Thread group elements are the beginning points of any test plan. A complete test plan will consist of one or more Thread Groups, logic conrollers, sample generating controllers, listeners, timers, assertions, and configuration elements.Snapshot of a test plan Named register Test plan A test plan describes a series of steps JMeter will execute when run. This is a basic description of how jmeter works. How jmeter work Jmeter simulates a group of users sending requests to a target server, and returns statistics that show the performance of the target server/application through graphical diagrams. ![]() JMeter can also be configured as a monitor, although this is typically considered an ad-hoc solution in lieu of advanced monitoring solutions.()What can you do with jmeterperform automated and functional testing for your applicationperform performance and availability testing,perform functionality testing on your application to make sure your application meets your expectations.monitor you serversdatabase serverweb serverany other type of service (ftp. Breif introduction to jmeterWhat is jmeterJMeter is an Apache Jakarta project that can be used as a load testing tool for analyzing and measuring the performance of a variety of services, with a focus on web applications.JMeter can be used as a unit test tool for JDBC database connections, FTP, LDAP, Web services, JMS, HTTP and generic TCP connections. ![]()
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