/[monit]/monit/web/doc/apache.php
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revision 1.2 by hauk, Mon Jan 10 00:58:56 2005 UTC revision 1.3 by hauk, Sun Jan 16 16:50:10 2005 UTC
# Line 6  Line 6 
6    
7  <?php include '../include/menu.php'; ?>  <?php include '../include/menu.php'; ?>
8    
9  <h2>Howto monitor Apache with Monit</h2>  <h2>How to monitor Apache with Monit</h2>
10    
11  <p><i>This HOWTO describe functionality available in monit version 4.5  <p><i>This HOWTO describe functionality available in monit version 4.5
12  and later</i></p> <h3>Author: David Fletcher</h3> <p>Version 1 - Jan  and later</i></p> <h3>Author: <a
13  2005</p>  href="http://www.megapico.co.uk">David Fletcher</a></h3> <p>Version 1
14    - Jan 2005</p>
15    
16  <ol>  <ol>
17                                                                                                
# Line 149  to a halt. Line 150  to a halt.
150    
151  <li><h3>How the limits work</h3>  <li><h3>How the limits work</h3>
152    
153  <p>With one exception all of the percentage limits are the level  <p>Action can be triggered when each measured quantity rises above or
154  above which action is triggered. As in the example above, an  falls below the percentage limit. However, with one exception all of the
155  alert is sent when 25% or more of the Apache child processes  percentage limits are likely to be most useful if taken as the level
156  are performing a DNS lockup.  above which action is triggered. As in the example above, an alert is
157    sent when greater than 25% of the Apache child processes are performing
158  <p>The exception to this rule is when monitoring idle servers waiting  a DNS lockup.
159  for a connection. In this case it is much more useful to be alerted if  
160  there are too few free servers, so the action is triggered when the  <p>The exception to this rule is when monitoring idle servers waiting
161  measured level is below the percentage limit.  for a connection. In this case it is much more useful to be alerted
162    if there are too few free servers, so the action is best triggered
163    when the measured level is less than the percentage limit.
164    
165  <li><h3>What happens when the server is close to collapse?</h3>  <li><h3>What happens when the server is close to collapse?</h3>
166    

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