[tpm] mod_perl ... still suitable choice?

Matthew Phillips mattp at cpan.org
Tue Jun 17 10:46:08 PDT 2014

You can easily use https://metacpan.org/pod/Plack::Handler::Apache2 as a
deployment target while still running under apache easily.
https://metacpan.org/pod/Plack::Handler::FCGI is also viable for fastcgi
deployment. Both allow for piecemeal inplace upgrading alongside existing
apache code without a many month downtime.


On Tue, Jun 17, 2014 at 11:06 AM, Olaf Alders <olaf.alders at gmail.com> wrote:

> On Jun 17, 2014, at 10:58 AM, Dominic Thoreau <dominic at thoreau-online.net>
> wrote:
> >
> > We're [1] running Apache/mod_perl. We have, by quick grep, 1.1M lines of
> perl code. Continuing to run mod_perl is pretty much the only choice.
> Selling management on "we need to re-write this, it'll take months, and the
> net effect, hopefully, will be no new functionality, and probably new bugs"
> is a non-starter.
> I’m in a similar situation at $work.  Lots of critical code still running
> under mod_perl.  The biggest problem is that it’s sometimes hard to test
> the mod_perl code.  We do have some WWW::Mechanize tests that fire up their
> own Apache on a different port in order to run the tests, but it’s still
> kind of slow to do that for individual unit tests.  It’s not ideal for that
> kind of stuff, but it’s a huge pain to switch over and it’s not broken so
> there’s no hurry to fix it.
> I did have some of my own code that was built in CGI::Application that I
> was running under ModPerl::Registry.  That actually was mostly trivial to
> switch over to Plack because it didn’t rely directly on any Apache::*
> modules.
> Olaf
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