The difference is mostly in Python performance - threading in Python tends
to perform worse than using multiple processes, which is why we recommend
using multiple processes in the docs. However, you can save a bit of memory
usage with threading, so you can use that if you want.

I would not, however, recommend running more than 2 - 4 threads per
process, as otherwise you'll likely see performance take a slide due to the
GIL.

Andrew

On Wed, Feb 8, 2017 at 11:53 AM, Charlie DeTar <[email protected]> wrote:

> What's the best way to launch multiple Django channels workers on a
> production server to take advantage of extra cores?
>
> The documentation says
> <https://channels.readthedocs.io/en/stable/deploying.html#run-worker-servers>
> :
>
> Each server is single-threaded, so it’s recommended you run around one or
>> two per core on each machine; it’s safe to run as many concurrent workers
>> on the same machine as you like, as they don’t open any ports (all they do
>> is talk to the channel backend).
>
>
> However, `python manage.py help runworker` lists a "--threads" option,
> which seems to imply that a single invocation of runworker can launch
> multiple workers.
>
> Is there a functional difference between `./manage.py runworker --threads
> 4` and launching `./manage.py runworker` process 4 times?
>
> best,
> Charlie
>
> --
> You received this message because you are subscribed to the Google Groups
> "Django users" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To post to this group, send email to [email protected].
> Visit this group at https://groups.google.com/group/django-users.
> To view this discussion on the web visit https://groups.google.com/d/
> msgid/django-users/8097b8f7-3f89-49a6-b189-58a0713972ef%40googlegroups.com
> <https://groups.google.com/d/msgid/django-users/8097b8f7-3f89-49a6-b189-58a0713972ef%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
> For more options, visit https://groups.google.com/d/optout.
>

-- 
You received this message because you are subscribed to the Google Groups 
"Django users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/django-users.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/django-users/CAFwN1uoE7HAdhGdULoSZ7bWzoL_Lu_7gnnoo74m6zFv_POOY9w%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to