Re: Perl-based event server?

Good luck. I've begun porting our application to Elixir because of this and
other issues.

On Wed, May 19, 2021 at 4:57 AM Jan Kasprzak <[email protected]> wrote:

>         Hello, mod_perl users,
>
> TL;DR:  which Perl-based solution would you recommend for serving long-term
>         HTTP connections?
>
>         We use mod_perl for our project, and we would like to add
> a component which needs long-term connections (think websockets or
> server-side-events
>
> https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events
> ).
> We use mpm_prefork for the main site, so adding long-term connections
> there is not feasible. So I am looking for alternatives. The logic
> behind this application would probably not be overly complicated,
> probably just forwarding pub/sub events from Redis or some other
> message broker to HTTP clients or something like that.
>
>         I would expect to serve about 30-100k simultaneous connections,
> not necessarily handled by a single host. The peak value of 10k connections
> per host would be sufficient. I expect I will put haproxy or some other
> load balancer in front of these servers, so for example SSL/TLS is not
> strictly necessary.
>
>         Is mod_perl with mpm_worker suitable for this task? Or should I use
> something AnyEvent-based, such as Twiggy (I don't know whether Twiggy
> supports multiple processes/threads)? Or even something completely
> different?
>
> Thanks in advance for any recommendations.
>
> -Yenya
>
> --
> | Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}>
> |
> | http://www.fi.muni.cz/~kas/                         GPG: 4096R/A45477D5
> |
>     We all agree on the necessity of compromise. We just can't agree on
>     when it's necessary to compromise.                     --Larry Wall
>


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