See explanation in this blog post.
http://blog.dscpl.com.au/2014/02/vertically-partitioning-python-web.html
<http://blog.dscpl.com.au/2014/02/vertically-partitioning-python-web.html>
You only want one WSGIScriptAlias mount directive and use Location to apply
conditions on where traffic is directed.
Also recommended to force use of main interpreter context in each daemon
process group by setting WSGIApplicationGroup to %{GLOBAL}. This avoids issues
with some Python packages that will not work in sub interpreters.
Graham
> On 27 Nov 2021, at 2:40 am, Andy <[email protected]> wrote:
>
> Is it possible to partition traffic for a single Django site across multiple
> processes i.e. use WSGIScriptAlias to point to the same WSGI script but
> configure a subset of URLs to route to different processes?
>
> Apache virtual host configuration excerpt:
>
> WSGIApplicationGroup api
> WSGIDaemonProcess api processes=2 display-name='%{GROUP}' lang='en_US.UTF-8'
> locale='en_US.UTF-8'
> WSGIScriptAlias /api <path>/wsgi.py process-group=api application-group=api
>
> WSGIApplicationGroup web
> WSGIDaemonProcess web processes=5 display-name='%{GROUP}' lang='en_US.UTF-8'
> locale='en_US.UTF-8'
> WSGIScriptAlias / <path>/wsgi.py process-group=web application-group=web
>
> When configured like this /api traffic does appear to be picked up by the
> correct process but fails Django URL resolution (and raises a 404).
>
> Quite possible that this is purely a Django issue, but just want to check if
> this approach is feasible / advisable.
>
> Thanks.
>
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