官术网_书友最值得收藏!

  • JMeter Cookbook
  • Bayo Erinle
  • 289字
  • 2021-08-05 17:36:27

Using timers

By default, when test scripts are recorded in JMeter, they contain no pauses between page requests. This is sometimes known as the think time in test scripts. In reality though, most users will frequently pause for a duration of time on every page before moving on to another page in the application. In JMeter, the ways to achieve these pauses are through timers. JMeter comes with a wealth of timers to achieve this purpose.

How to do it…

In this recipe, we will show you how to mimic realistic user behaviors using the JMeter timers.

  1. Launch JMeter.
  2. Open the ch1_add_timers.jmx test script located in the scripts/ch1 directory.
  3. Add Gaussian Random Timer by navigating to Test plan | Add | Gaussian Random Timer.
  4. Change Deviation (in milliseconds) from 100 to 1000.
  5. Change Constant Delay Offset (in milliseconds) from 300 to 500.
  6. Save and execute the test script.

How it works…

With our configuration, each thread will pause for a duration of 0.5 to 1.5 seconds after each request before proceeding to the next request. This is because we applied the timer at the root level of the test plan. If we wanted to have pauses after each logical page rendering, we will add a timer at the transaction controller level. This option is mostly what you will go with as a single rendered web page often consists of multiple requests.

There's more…

There are many more timers that come bundled with JMeter even through additional plugins that serve different purposes. There are timers that simulate constant delay, constant throughput, random delay, and so much more. Depending on your use case and what you are trying to simulate, you will choose one or several of these.

主站蜘蛛池模板: 濮阳县| 尚志市| 乌什县| 新建县| 巫山县| 崇文区| 商都县| 彭山县| 内江市| 平邑县| 大田县| 井陉县| 庄河市| 台中县| 安塞县| 永善县| 梧州市| 大新县| 吉水县| 和平区| 蓬溪县| 甘肃省| 渝北区| 贵定县| 巴中市| 上虞市| 明星| 巨野县| 岚皋县| 晋江市| 胶南市| 桑日县| 浮山县| 松潘县| 会宁县| 西和县| 湘潭市| 乐至县| 越西县| 江安县| 贞丰县|