Hello,
I'm having an hard time understanding the correlation between mod_wsgi
Daemon Processes and apache mpm_worker (if there is any).
I'm running a Django application on an Ubuntu 22.04 Apache Server, and I
would like to optimise the CPU / RAM usage of it, as it looks like when
there is a hight number of user / requests, the CPU usage is limited to
around 60%.
My Apache configuration is currently the following:
WSGIDaemonProcess ipt python-path=virtualenv/lib/python3.7/site-packages
processes=7 threads=2 display-name=custom-apache
WSGIScriptAlias / conf/wsgi.preprod.py process-group=custom
application-group=%{GLOBAL}
WSGIApplicationGroup %{GLOBAL}
<Directory conf>
<Files wsgi.preprod.py>
Require all granted
Order allow,deny
Allow from all
</Files>
</Directory>
And my MPM conf file (which are the default settings of Apache2):
<IfModule mpm_prefork_module>
StartServers 5
MinSpareServers 5
MaxSpareServers 10
MaxRequestWorkers 150
MaxConnectionsPerChild 0
</IfModule>
I read multiple time this documentation
https://modwsgi.readthedocs.io/en/master/user-guides/processes-and-threading.html#the-mod-wsgi-daemon-processes
but I don't realy understand how the mpm_prefork_module and the
WSGIDaemonProcess combine with each other and how to tweak the value
"safely".
Should I only increase processes and threads at the WSGIDaemonProcess
without modifying the mpm_prefork_module? Or are both conf related?
Thanks for your clarification
Emmanuel
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