khammond 01/11/19 09:33:54 Modified: xdocs/usermanual timer.xml Log: Completed. Ready for review. Revision Changes Path 1.2 +63 -19 jakarta-jmeter/xdocs/usermanual/timer.xml Index: timer.xml =================================================================== RCS file: /home/cvs/jakarta-jmeter/xdocs/usermanual/timer.xml,v retrieving revision 1.1 retrieving revision 1.2 diff -u -r1.1 -r1.2 --- timer.xml 2001/11/14 14:54:22 1.1 +++ timer.xml 2001/11/19 17:33:54 1.2 @@ -7,36 +7,80 @@ <body> -<section name="4.4 Timers"> -<p> -Timers help program flow by controlling how long JMeter's engine delays between each sample attempt. -Each sampling thread that runs will pause between every sample, depending on which timers have been chosen. +<section name="4.4 Timers" anchor="timers"> + +<p>By default, a JMeter thread sends requests without pausing between each request. +We recommend that you specify a delay by adding one of the three timers to +your Thread Group. If you do not add a delay, JMeter could overwhelm your server by +making too many requests in a very short amount of time. + +<ul> + <li><b>Constant Timer</b> <br></br>Pause each thread request for a particular +(constant) amount of time.</li> + + <li><b>Gaussian Random Timer</b> <br></br>Pause each thread request for a random +amount of time, with most of the time intervals occurring near a particular value.</li> + + <li><b>Uniform Random Timer</b> <br></br>Pause each thread request for a random +amount of time, with each time interval having the same probability of occurring.</li> +</ul> </p> + <p> -Timers are added to ThreadGroups. Multiple timers can be added to a ThreadGroup. -In this case, the sampling thread will sum results from each timer, and delay for that period of time. -</p> +If you choose to add more than one timer to a Thread Group, JMeter takes the sum of +the timers and pauses for that amount of time.</p> </section> -<section name="4.4.1 Constant Timer"> -<p>Put description text here...</p> -<p> -<img src="../images/screenshots/constant_timer.gif" width="390" height="100" alt="Constant Timer"></img> +<section name="4.4.1 Constant Timer" anchor="constant"> +<p>If you want to have each thread pause for the same amount of time between +requests, use this timer.</p> + +<p><img src="../images/screenshots/timers/constant_timer.gif" width="390" height="100" alt="Constant Timer"></img></p> + +<p><b>Property Descriptions:</b> +<ul> + <li><b>Name</b> - Descriptive name for this timer that is shown in the tree. </li> + <li><b>Thread Delay</b> - Number of milliseconds to pause.</li> +</ul> </p> + + </section> -<section name="4.4.2 Gaussian Random Timer"> -<p>Put description text here...</p> -<p> -<img src="../images/screenshots/gauss_random_timer.gif" width="390" height="182" alt="Gaussian Random Timer"></img> +<section name="4.4.2 Gaussian Random Timer" anchor="gaussian"> +<p>This timer pauses each thread request for a random amount of time, with most +of the time intervals ocurring near a particular value. The total delay is the +sum of the Gaussian distributed value (with mean 0.0 and standard deviation 1.0) times +the deviation value you specify, and the offset value.</p> +<p><img src="../images/screenshots/timers/gauss_random_timer.gif" width="390" height="182" alt="Gaussian Random Timer"></img></p> + +<p><b>Property Descriptions:</b> +<ul> + <li><b>Name</b> - Descriptive name for this timer that is shown in the tree. </li> + <li><b>Deviation</b> - Deviation in milliseconds.</li> + <li><b>Constant Delay Offset</b> - Numer of milliseconds to pause in addition +to the random delay.</li> +</ul> </p> + </section> -<section name="4.4.3 Uniform Random Timer"> -<p>Put description text here...</p> -<p> -<img src="../images/screenshots/uniform_random_timer.gif" width="390" height="182" alt="Uniform Random Timer"></img> +<section name="4.4.3 Uniform Random Timer" anchor="uniform"> +<p>This timer pauses each thread request for a random amount of time, with +each time interval having the same probability of occurring. The total delay +is the sum of the random value and the offset value.</p> +<p><img src="../images/screenshots/timers/uniform_random_timer.gif" width="390" height="182" alt="Uniform Random Timer"></img></p> + +<p><b>Property Descriptions:</b> +<ul> + <li><b>Name</b> - Descriptive name for this timer that is shown in the tree. </li> + <li><b>Random Delay Maximum</b> - Maxium random number of milliseconds to +pause.</li> + <li><b>Constant Delay Offset</b> - Numer of milliseconds to pause in addition +to the random delay.</li> +</ul> </p> + </section>
-- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
