khammond 01/11/19 09:34:20
Modified: docs/usermanual timer.html
Log:
Completed. Ready for review.
Revision Changes Path
1.2 +49 -15 jakarta-jmeter/docs/usermanual/timer.html
Index: timer.html
===================================================================
RCS file: /home/cvs/jakarta-jmeter/docs/usermanual/timer.html,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- timer.html 2001/11/14 15:03:03 1.1
+++ timer.html 2001/11/19 17:34:20 1.2
@@ -101,14 +101,25 @@
</td></tr>
<tr><td>
<blockquote>
- <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.
+ <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 />Pause each thread request for a particular
+(constant) amount of time.</li>
+
+ <li><b>Gaussian Random Timer</b> <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 />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>
</blockquote>
</p>
</td></tr>
@@ -122,9 +133,14 @@
</td></tr>
<tr><td>
<blockquote>
- <p>Put description text here...</p>
- <p>
-<img src="../images/screenshots/constant_timer.gif" width="390" height="100"
alt="Constant Timer" />
+ <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" /></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>
</blockquote>
</p>
@@ -139,9 +155,18 @@
</td></tr>
<tr><td>
<blockquote>
- <p>Put description text here...</p>
- <p>
-<img src="../images/screenshots/gauss_random_timer.gif" width="390" height="182"
alt="Gaussian Random Timer" />
+ <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" /></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>
</blockquote>
</p>
@@ -156,9 +181,18 @@
</td></tr>
<tr><td>
<blockquote>
- <p>Put description text here...</p>
- <p>
-<img src="../images/screenshots/uniform_random_timer.gif" width="390" height="182"
alt="Uniform Random Timer" />
+ <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" /></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>
</blockquote>
</p>
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