Ron Garret a écrit :
I'm running a WSGI app under apache/mod_wsgi and I've noticed that
whenever I restart the server after making a code change it takes a very
long time (like a minute) before the script is active again. In other
words, I do an apachectl restart, reload the page in my browser, and one
minute later it finally comes up. During this time CPU usage is
essentially zero. Loading all the code manually into a python
interpreter is virtually instantaneous, and all subsequence interactions
with the app are very fast.
Does anyone have any ideas what might be going on or how to debug this?
Restarting apache (with or without mod_wsgi) can by itself take some time.
Now, if you're running mod_wsgi in daemon mode, you _don't_ have to
restart apache to reload your code - just touch the wsgi script file and
you'll be done, ie with:
WSGIProcessGroup myproject.tld
WSGIDaemonProcess myproject.tld user=you group=you
WSGIReloadMechanism Process
WSGIScriptAlias / /var/www/myproject/apache/myapp.py
you just have to touch myapp.py to force reload the subinterpreter(s).
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