Newbie: why are there multiple process started?

Hi I have a simple question to ask...
Q1. Why are there multiple process for webserver instance and http-admserv for a default installed web server? Please refer below:
$ ps -ef | grep web
root 931 930 0 Jan 21 ? 0:00 webservd -r /opt/SUNWwbsvr -d /opt/SUNWwbsvr/https-admserv/config -n https-adms
root 930 1 0 Jan 21 ? 0:00 ./webservd-wdog -r /opt/SUNWwbsvr -d /opt/SUNWwbsvr/https-admserv/config -n htt
root 948 1 0 Jan 21 ? 0:00 ./webservd-wdog -r /opt/SUNWwbsvr -d /opt/SUNWwbsvr/https-mta01.mydomain.com
root 932 931 0 Jan 21 ? 0:03 webservd -r /opt/SUNWwbsvr -d /opt/SUNWwbsvr/https-admserv/config -n https-adms
root 949 948 0 Jan 21 ? 0:00 webservd -r /opt/SUNWwbsvr -d /opt/SUNWwbsvr/https-mta01.mydomain.com/config
root 950 949 0 Jan 21 ? 42:09 webservd -r /opt/SUNWwbsvr -d /opt/SUNWwbsvr/https-mta01.mydomain.com/config
jes 6203 5994 0 10:52:36 pts/2 0:00 grep web
I understand we need 1 watch dog for web server and 1 for admin server but why 2 process for "https-mta01.mydomain.com" and "https-admserv"?
Q2. This is in relation to Q1. If I need to turn on CA Agent for monitoring, which process should I monitor for web server instance and also for http-admserv?
Newbie.

Ans1) That is by design and default behavior. There is one watch-dog process and 2 webservd processes that get started by default. The first webservd is called primordial and the second child webservd is the one that actually serves all the HTTP requests.
Example:
# ptree 6898
6898 ./webservd-wdog -r /space/iws61sp2 ...
6899 webservd -r /space/iws61sp2 -d ..
6900 webservd -r /space/iws61sp2 -d ...
In this example, the pid 6898 is called the watchdog process,
6899 webservd process is called the primordial process
and the pid 6900 is called the child webservd process that actually serves all the HTTP requests.
Ans2) You would monitor the child webservd process.
Thanks
Manish

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