JMeter

The Apache JMeter application is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions.

What can I do with it?

Apache JMeter may be used to test performance both on static and dynamic resources, Web dynamic applications.
It can be used to simulate a heavy load on a server, group of servers, network or object to test its strength or to analyze overall performance under different load types.

Apache JMeter features include:

• Ability to load and performance test many different applications/server/protocol types:
  • Web – HTTP, HTTPS (Java, NodeJS, PHP, ASP.NET, …)
  • SOAP / REST Webservices
  • FTP
  • Database via JDBC
  • LDAP
  • Message-oriented middleware (MOM) via JMS
  • Mail – SMTP(S), POP3(S) and IMAP(S)
  • Native commands or shell scripts
  • TCP
  • Java Objects
• Full featured Test IDE that allows fast Test Plan recording (from Browsers or native applications), building and debugging.
• CLI mode (Command-line mode (previously called Non GUI) / headless mode) to load test from any Java compatible OS (Linux, Windows, Mac OSX, …)
• A complete and ready to present dynamic HTML report
• Easy correlation through ability to extract data from most popular response formats, HTML, JSON , XML or any textual format
• Complete portability and 100% Java purity.
• Full multi-threading framework allows concurrent sampling by many threads and simultaneous sampling of different functions by separate thread groups.
• Caching and offline analysis/replaying of test results.
• Highly Extensible core:
  • Pluggable Samplers allow unlimited testing capabilities.
  • Scriptable Samplers (JSR223-compatible languages like Groovy and BeanShell)
  • Several load statistics may be chosen with pluggable timers.
  • Data analysis and visualization plugins allow great extensibility as well as personalization.
  • Functions can be used to provide dynamic input to a test or provide data manipulation.
  • Easy Continuous Integration through 3^rd party Open Source libraries for Maven, Gradle and Jenkins.

JMeter is not a browser

JMeter is not a browser, it works at protocol level. As far as web-services and remote services are concerned, it looks like a browser (or rather, multiple browsers); however it does not perform all the actions supported by browsers. In particular, JMeter does not execute the Javascript found in HTML pages. Nor does it render the HTML pages as a browser does (it’s possible to view the response as HTML etc., but the timings are not included in any samples, and only one sample in one thread is ever displayed at a time).

JMeter Components

• Samplers
  • FTP Request
  • HTTP Request
  • JDBC Request
  • Java Request
  • LDAP Request
  • LDAP Extended Request
  • Access Log Sampler
  • BeanShell Sampler
  • JSR223 Sampler
  • TCP Sampler
  • JMS Publisher
  • JMS Subscriber
  • JMS Point-to-Point
  • JUnit Request
  • Mail Reader Sampler
  • Flow Control Action (was: Test Action )
  • SMTP Sampler
  • OS Process Sampler
  • MongoDB Script (DEPRECATED)
  • Bolt Request
• Logic Controllers
  • Simple Controller
  • Loop Controller
  • Once Only Controller
  • Interleave Controller
  • Random Controller
  • Random Order Controller
  • Throughput Controller
  • Runtime Controller
  • If Controller
  • While Controller
  • Switch Controller
  • ForEach Controller
  • Module Controller
  • Include Controller
  • Transaction Controller
  • Recording Controller
  • Critical Section Controller
• Listeners
  • Sample Result Save Configuration
  • Graph Results
  • Assertion Results
  • View Results Tree
  • Aggregate Report
  • View Results in Table
  • Simple Data Writer
  • Aggregate Graph
  • Response Time Graph
  • Mailer Visualizer
  • BeanShell Listener
  • Summary Report
  • Save Responses to a file
  • JSR223 Listener
  • Generate Summary Results
  • Comparison Assertion Visualizer
  • Backend Listener
• Configuration Elements
  • CSV Data Set Config
  • FTP Request Defaults
  • DNS Cache Manager
  • HTTP Authorization Manager
  • HTTP Cache Manager
  • HTTP Cookie Manager
  • HTTP Request Defaults
  • HTTP Header Manager
  • Java Request Defaults
  • JDBC Connection Configuration
  • Keystore Configuration
  • Login Config Element
  • LDAP Request Defaults
  • LDAP Extended Request Defaults
  • TCP Sampler Config
  • User Defined Variables
  • Random Variable
  • Counter
  • Simple Config Element
  • MongoDB Source Config (DEPRECATED)
  • Bolt Connection Configuration
• Assertions
  • Response Assertion
  • Duration Assertion
  • Size Assertion
  • XML Assertion
  • BeanShell Assertion
  • MD5Hex Assertion
  • HTML Assertion
  • XPath Assertion
  • XPath2 Assertion
  • XML Schema Assertion
  • JSR223 Assertion
  • Compare Assertion
  • SMIME Assertion
  • JSON Assertion
  • JSON JMESPath Assertion
• Timers
  • Constant Timer
  • Gaussian Random Timer
  • Uniform Random Timer
  • Constant Throughput Timer
  • Precise Throughput Timer
  • Synchronizing Timer
  • BeanShell Timer
  • JSR223 Timer
  • Poisson Random Timer
• Pre Processors
  • HTML Link Parser
  • HTTP URL Re-writing Modifier
  • User Parameters
  • BeanShell PreProcessor
  • JSR223 PreProcessor
  • JDBC PreProcessor
  • RegEx User Parameters
  • Sample Timeout
• Post-Processors
  • Regular Expression Extractor
  • CSS Selector Extractor (was: CSS/JQuery Extractor )
  • XPath2 Extractor
  • XPath Extractor
  • JSON JMESPath Extractor
  • Result Status Action Handler
  • BeanShell PostProcessor
  • JSR223 PostProcessor
  • JDBC PostProcessor
  • JSON Extractor
  • Boundary Extractor
• Miscellaneous Features
  • Test Plan
  • Thread Group
  • WorkBench
  • SSL Manager
  • HTTP(S) Test Script Recorder (was: HTTP Proxy Server )
  • HTTP Mirror Server
  • Property Display
  • Debug Sampler
  • Debug PostProcessor
  • Test Fragment
  • setUp Thread Group
  • tearDown Thread Group

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