[Zope] Why does Zope run multiple instances of z2.py by default?

[Lee J. McAllister]

I'm running Zope2.6.2 on RH9 as well and see the same thing at start up 
time.  I don't know enough about the Zope startup process to explain why 
they spawn the child but it usually terminates on it's own after the start 
up process has finished.

My assumption is that, being a threaded process, it spawns a child to handle 
any requests/subprocesses so that it isn't blocked from receiving new 
requests while current ones are being handled.

Lee

>From: Tim Edwards <Tim.Edwards at hwe.com.au>
>To: "'zope at zope.org'" <zope at zope.org>
>Subject: [Zope] Why does Zope run multiple instances of z2.py by default?
>Date: Thu, 20 Nov 2003 17:54:30 +1100
>
>Hi,
>
>I was just wondering why Zope runs multiple threads of z2.py by default? 
>For
>example in my ps listing I have:
>
>zope     18183     1  0 10:25 ?        00:00:00 /home/zope/Zope/bin/python
>/home/zope/Zope/z2.py -u zope -f - p -
>zope     18184 18183  0 10:25 ?        00:00:10 /home/zope/Zope/bin/python
>/home/zope/Zope/z2.py -u zope -f - p -
>
>However one of my colleagues only has a single zope instance appear in his
>ps listing on his machine. His zope installation still runs fine. We are
>running Zope on Red Hat Linux 9. Does something like this make a 
>difference?
>
>Thanks
>
>Tim Edwards
>
>Trainee Analyst Programmer
>Henry Walker Eltin
>Phone: 02 9887 6327
>Fax: 02 9887 2412
>Email: tim.edwards at hwe.com.au
>
>
>
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