[users@httpd] Why child process number over the ServerLimit?

[Qingshan Xie <xi...@yahoo.com>]

Hi, All,
  We have an Apache-2.0.52 installed in our Solaris
2.8 host.  It's a HTTPS server.  the configuration is
as below:
==============================
<IfModule worker.c>
ServerLimit           22
StartServers          15
MaxClients           500
MinSpareThreads       25
MaxSpareThreads       20
ThreadsPerChild       25
MaxRequestsPerChild 3000
</IfModule>
==============================

The Max. # of processes is supposed to be
MaxClients/ThreadsPerChild = 500/25 = 20, and the
ServerLimit=22. However, we found the total processes
is 46. Some child processes hang there for 7 hours. 
Can someone help me to understand why, and how do we
control the ServerLimit to what we want?

Thanks, 
Q.Xie

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